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Ben Ephraim Noyman D, Sommer AC, Naaman E, Gonzalez-Lugo JH, Mimouni M. Topical nonsteroidal anti-inflammatory drugs for management of pain after PRK: systematic review and network meta-analysis. J Cataract Refract Surg 2024; 50:1083-1091. [PMID: 39025658 DOI: 10.1097/j.jcrs.0000000000001525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 07/10/2024] [Indexed: 07/20/2024]
Abstract
TOPIC Topical nonsteroidal anti-inflammatory drugs (NSAIDs) for management of pain in patients after photorefractive keratectomy (PRK). CLINICAL RELEVANCE Pain after PRK is a major concern for both patients and surgeons. Although evidence supports the use of NSAIDs postoperatively, no consensus exists regarding the preferred regimen. The study aimed to compare the efficacy and safety of different topical NSAIDs. METHODS This study was prospectively registered with PROSPERO (ID: CRD42023417651). A systematic search of electronic databases was performed, for randomized controlled trials reporting topical NSAIDs' outcomes of corneal re-epithelization, rescue analgesics intake, and pain in days 0 to 3 after PRK (postoperative days [PODs] 0 to 3). Studies were graded for risk of bias. Data were extracted, and standardized mean differences (SMDs) were evaluated in a network meta-analysis in accordance with the Cochrane's guidelines, to which a frequentist approach model was fitted. Transitivity was assessed using the net split method. Treatment effectiveness was ranked using forest plots based on comparison with placebo. P-scores (P) and league tables were used to examine combined direct and indirect comparisons. RESULTS Of 1540 studies identified, 27 were included. These encompassed 2286 patients across 11 countries, evaluating 7 distinct topical NSAIDs. At POD0, ketorolac (P 0.764), flurbiprofen (P 0.763), and bromfenac (P 0.717) were the most efficient drugs overall and displayed significantly lower pain scores than placebo. Other than that, flurbiprofen held the highest rank for reported pain throughout, significantly outperforming placebo on POD1 (P 0.874, SMD -1.19, 95% CI -1.86 to -0.52), POD2 (P 0.882, SMD -1.05, 95% CI -1.82 to -0.27), and POD3 (P 0.939, SMD -1.14, 95% CI -2.1 to -0.18). Other NSAIDs were significantly better than placebo only on POD1 and POD0. Rescue analgesic intake analysis favored indomethacin (P 0.834, SMD -0.8, 95% CI -1.33 to -0.27), ketorolac, and diclofenac. Compared with placebo, re-epithelization was slowed to different significances with all NSAIDs but flurbiprofen (P 0.991, SMD -0.7, 95% CI -1.38 to -0.03). CONCLUSIONS Flurbiprofen was favorable in pain scores on typically painful postoperative days and re-epithelization times. However, analgesics intake, a more objective outcome, suggested superiority of other NSAIDs. Inconsistencies may be explained by the small sample size. For clinical interpretation, NSAID effect sizes should be taken into consideration.
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Affiliation(s)
- Dror Ben Ephraim Noyman
- From the Ophthalmology Department, Rambam Health Care Campus, Haifa, Israel (Ben Ephraim Noyman, Sommer, Naaman, Gonzalez-Lugo, Mimouni); Ruth Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel (Ben Ephraim Noyman, Sommer, Naaman, Mimouni)
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Green SM, Tomaszewski C, Valente JH, Lo B, Milne K. Use of Topical Anesthetics in the Management of Patients With Simple Corneal Abrasions: Consensus Guidelines From the American College of Emergency Physicians. Ann Emerg Med 2024; 83:477-489. [PMID: 38323950 DOI: 10.1016/j.annemergmed.2024.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/02/2024] [Accepted: 01/02/2024] [Indexed: 02/08/2024]
Abstract
The management of corneal abrasions has largely excluded dispensing topical local anesthetics for home use due to concern for corneal toxicity. We have reviewed and critically appraised the available literature evidence regarding the use of topical anesthetics in patients with simple corneal abrasions. Using sequential Delphi review, we have developed these clinical guidelines. Herein are evidentiary summaries and consensus recommendations for 8 specific relevant questions. Our key observation is that for only simple corneal abrasions, as diagnosed and treated in accordance with the full protocol described herein, it appears safe to prescribe or otherwise provide a commercial topical anesthetic (ie, proparacaine, tetracaine, oxybuprocaine) for use up to every 30 minutes as needed during the first 24 hours after presentation, as long as no more than 1.5 to 2 mL total (an expected 24-hour supply) is dispensed and any remainder is discarded after 24 hours. Importantly, although published findings suggest absent harm for short courses, more rigorous studies with a greater cumulative sample size and ophthalmologic follow-up are needed.
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Affiliation(s)
- Steven M Green
- Department of Emergency Medicine, Loma Linda University, Loma Linda, CA.
| | | | - Jonathan H Valente
- Departments of Emergency Medicine, The Warren Alpert Medical School of Brown University, Rhode Island Hospital, and Hasbro Children's Hospital, Providence, RI
| | - Bruce Lo
- Department of Emergency Medicine, Sentara Norfolk General Hospital, Norfolk, VA
| | - Ken Milne
- Department of Emergency Medicine, Strathroy Middlesex General Hospital, Strathroy, Ontario
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Lafreniere JD, Szczesniak AM, Courtney E, Kelly MEM, Faktorovich EG. Topical analgesics for acute corneal pain: current options and emerging therapeutics. J Cataract Refract Surg 2023; 49:1160-1167. [PMID: 37232414 DOI: 10.1097/j.jcrs.0000000000001225] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 05/18/2023] [Indexed: 05/27/2023]
Abstract
Acute corneal pain is a common complaint that causes significant distress to patients and continues to challenge therapeutic avenues for pain management. Current topical treatment options have marked limitations in terms of both efficacy and safety, thus often prompting the adjunctive use of systemic analgesics, including opioids. In general, there have not been extensive advancements in pharmacologic options for the management of corneal pain over the past several decades. Despite this, multiple promising therapeutic avenues exist which hold the potential to transform the ocular pain landscape, including druggable targets within the endocannabinoid system. This review will summarize the current evidence base for topical nonsteroidal anti-inflammatory drugs, anticholinergic agents, and anesthetics before focusing on several potential avenues in the setting of acute corneal pain management, including autologous tear serum, topical opioids and endocannabinoid system modulators.
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Affiliation(s)
- J Daniel Lafreniere
- From the Department of Pharmacology, Dalhousie University, Halifax, Nova Scotia, Canada (Lafreniere, Szczesniak, Courtney, Kelly); Department of Ophthalmology & Visual Sciences, Dalhousie University, Halifax, Nova Scotia, Canada (Kelly); Department of Anesthesia, Pain Management & Perioperative Medicine, Dalhousie University, Halifax, Nova Scotia, Canada (Kelly); Pacific Vision Institute, San Francisco, California (Faktorovich)
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Zhou H, Jin Y, Tong G, Zhao G, Wu H. Comparison of the efficacy and safety of removing bandage contact lenses on the fourth and seventh postoperative day after transepithelial photorefractive keratectomy. Heliyon 2023; 9:e21129. [PMID: 37886779 PMCID: PMC10597848 DOI: 10.1016/j.heliyon.2023.e21129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 10/10/2023] [Accepted: 10/16/2023] [Indexed: 10/28/2023] Open
Abstract
Purpose To compare the differences in the removal of bandage contact lenses (BCLs) at 4 and 7 days after transepithelial photorefractive keratectomy (TransPRK) in term of visual rehabilitation, eye discomfort, and postoperative complications. Methods This retrospective cohort study included patients with myopia undergoing TransPRK; in Group 1, the BCLs were removed on the 4th postoperative day, while in Group 2, the BCLs were removed on the 7th postoperative day. All patients underwent a 6-month follow-up, including slit-lamp examination and visual acuity assessment. Subjective evaluations of pain and eye discomfort were recorded after the BCLs removal. Results In total, 376 eyes of 191 patients in Group 1 and 346 eyes of 177 patients in Group 2 were enrolled. The two groups were matched for sex, age, preoperative corrected distance visual acuity, and tear film break-up time. Patients in Group 1 exhibited slightly lower levels of myopia, resulting in a shallower ablation depth and shorter ablation time than those in Group 2. No statistically significant differences in visual acuity recovery, haze severity, and incidence of infectious keratitis were observed within 6 months after surgery between the two groups. However, patients in Group 2 experienced significantly fewer discomfort symptoms (discharge, foreign body sensation, and blurred vision) after BCLs removal than patients in Group 1 and had fewer postoperative complications (recurrent corneal epithelial erosion). Conclusion Delayed removal of the BCLs one week after TransPRK effectively alleviated early discomfort symptoms and reduced the risk of recurrent corneal epithelial erosion without increasing the likelihood of infectious keratitis.
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Affiliation(s)
- Hangshuai Zhou
- Department of Ophthalmology, Dongyang People's Hospital, Dongyang, China
| | - Yanhua Jin
- Department of Ophthalmology, Dongyang People's Hospital, Dongyang, China
| | - Gengmin Tong
- Department of Ophthalmology, Dongyang People's Hospital, Dongyang, China
| | - Guangjin Zhao
- Department of Ophthalmology, Dongyang People's Hospital, Dongyang, China
| | - Hongyan Wu
- Department of Ophthalmology, Dongyang People's Hospital, Dongyang, China
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Mogi M, Mendonza AE, Chastain J, Demirs JT, Medley QG, Zhang Q, Papillon JPN, Yang J, Gao Y, Xu Y, Stasi K. Ocular Pharmacology and Toxicology of TRPV1 Antagonist SAF312 (Libvatrep). Transl Vis Sci Technol 2023; 12:5. [PMID: 37672251 PMCID: PMC10484039 DOI: 10.1167/tvst.12.9.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 06/25/2023] [Indexed: 09/07/2023] Open
Abstract
Purpose To evaluate the pharmacology and toxicology of SAF312, a transient receptor potential vanilloid 1 (TRPV1) antagonist. Methods TRPV1 expression in human ocular tissues was evaluated with immunohistochemistry. Inhibition of calcium influx in Chinese hamster ovary (CHO) cells expressing human TRPV1 (hTRPV1) and selectivity of SAF312 were assessed by a fluorescent imaging plate reader assay. Ocular tissue and plasma pharmacokinetics (PK) were assessed following a single topical ocular dose of SAF312 (0.5%, 1.0%, 1.5%, 2.5%) in rabbits. Safety and tolerability of SAF312 were evaluated in rabbits and dogs. Effects of SAF312 on corneal wound healing after photorefractive keratectomy (PRK) surgery were assessed in rabbits. Results TRPV1 expression was noted in human cornea and conjunctiva. SAF312 inhibited calcium influx in CHO-hTRPV1 cells induced by pH 5.5 (2-[N-morpholino] ethanesulfonic acid), N-arachidonoylethanolamine, capsaicin, and N-arachidonoyl dopamine, with IC50 values of 5, 10, 12, and 27 nM, respectively, and inhibition appeared noncompetitive. SAF312 demonstrated high selectivity for TRPV1 (>149-fold) over other TRP channels. PK analysis showed highest concentrations of SAF312 in cornea and conjunctiva. SAF312 was found to be safe and well tolerated in rabbits and dogs up to the highest feasible concentration of 2.5%. No delay in wound healing after PRK was observed. Conclusions SAF312 is a potent, selective, and noncompetitive antagonist of hTRPV1 with an acceptable preclinical safety profile for use in future clinical trials. Translational Relevance SAF312, which was safe and well tolerated without causing delay in wound healing after PRK in rabbits, may be a potential therapeutic agent for ocular surface pain.
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Affiliation(s)
- Muneto Mogi
- Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | | | - James Chastain
- Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | - John T. Demirs
- Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | | | - Qin Zhang
- Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | | | - Junzheng Yang
- Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | - Yan Gao
- Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | - YongYao Xu
- Novartis Institutes for BioMedical Research, Cambridge, MA, USA
| | - Kalliopi Stasi
- Novartis Institutes for BioMedical Research, Cambridge, MA, USA
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Shetty R, Shetty N, Shirodkar S, Ashok N, Sethu S, Ghosh A, Khamar P. Cold bandage contact lens use reduces post-photorefractive keratectomy or corneal collagen-crosslinking pain perception in patients. Indian J Ophthalmol 2023; 71:1855-1861. [PMID: 37203044 PMCID: PMC10391479 DOI: 10.4103/ijo.ijo_2757_22] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023] Open
Abstract
Purpose To compare post-operative pain perception using bandage contact lens (BCL) stored at 2-8°C (Cold BCL, CL-BCL) or room temperature (23 - 25°C, RT-BCL) after photorefractive keratectomy (PRK) or corneal collagen-crosslinking (CXL) and determine status of nociception associated factors. Methods In this prospective interventional study, 56 patients undergoing PRK for refractive correction and 100 keratoconus (KC) undergoing CXL were recruited following approval from the institutional ethics committee with informed consent. Patients undergoing bilateral PRK received RT-BCL on one eye and CL-BCL on the other. Pain was graded by Wong-Baker scoring on the first post-operative day (PoD1). Expression of transient receptor potential channels (TRPV1, TRPA1, TRPM8), calcitonin gene-related peptide (CGRP) and IL-6 was measured in cellular content from used BCLs collected on PoD1. Equal number of KC patients received RT-BCL or CL-BCL post-CXL. Pain was graded by Wong-Baker scoring on PoD1. Results Pain scores on PoD1 were significantly (P < 0.0001) reduced in subjects receiving CL-BCL (Mean ± SD: 2.6 ± 2.1) compared to RT-BCL (6.0 ± 2.4) post-PRK. 80.4% of subjects reported reduced pain scores with CL-BCL. 19.6% reported no change or increased pain scores with CL-BCL. TRPM8 expression was significantly (P < 0.05) increased in BCL of subjects reporting reduced pain with CL-BCL compared to those who did not. Pain scores on PoD1 were significantly (P < 0.0001) reduced in subjects receiving CL-BCL (3.2 ± 2.1) compared to RT-BCL (7.2 ± 1.8) post-CXL. Conclusion The simple approach of using a cold BCL post-operatively substantially reduced pain perception and could overcome post-operative pain-related limited acceptance of PRK/CXL.
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Affiliation(s)
- Rohit Shetty
- Department of Cornea and Refractive Surgery, Narayana Nethralaya, Bangalore, Karnataka, India
| | - Naren Shetty
- Department of Cataract and Refractive Surgery, Narayana Nethralaya, Bangalore, Karnataka, India
| | - Sailie Shirodkar
- Department of Cataract and Refractive Surgery, Narayana Nethralaya, Bangalore, Karnataka, India
| | - Nikhil Ashok
- GROW Research Laboratories, Narayana Nethralaya Foundation, Bangalore, Karnataka, India
| | - Swaminathan Sethu
- GROW Research Laboratories, Narayana Nethralaya Foundation, Bangalore, Karnataka, India
| | - Arkasubhra Ghosh
- GROW Research Laboratories, Narayana Nethralaya Foundation, Bangalore, Karnataka, India
| | - Pooja Khamar
- Department of Cataract and Refractive Surgery, Narayana Nethralaya, Bangalore, Karnataka, India
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Ip CS, Jones DK, Weinlander E, Gudgel B, Lin A, Yazdani H, Pierce J, Holubkov R, Jensen H, Church M, Mifflin MD. Phase I/II randomized, double-masked, placebo-controlled study of processed amniotic fluid drops after PRK. J Cataract Refract Surg 2023; 49:299-304. [PMID: 36730463 DOI: 10.1097/j.jcrs.0000000000001100] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 11/14/2022] [Indexed: 02/04/2023]
Abstract
PURPOSE To evaluate the safety and efficacy of processed amniotic fluid (pAF) used postoperatively after photorefractive keratectomy (PRK). SETTING University of Utah, Moran Eye Center, Salt Lake City, Utah. DESIGN Randomized, double-masked, placebo-controlled prospective study. METHODS 61 participants were randomized to receive either placebo or pAF drops, which were instilled 4 times per day for 1 week after PRK along with routine postoperative medications. The primary outcome measure was time to full re-epithelialization in days. Secondary measures included visual acuity at 30 days and postoperative pain scores during the first week. RESULTS There was no significant difference in time to re-epithelialization, with a median of 5 days for both groups. There were no difference in pain indicator scores during the first week and no difference in corneal staining scores at day 30 between the 2 groups. There were no adverse events. CONCLUSIONS This pilot study evaluating the safety and efficacy of pAF as an additional postoperative topical medication for PRK demonstrated that pAF did not improve the rate of epithelial healing after PRK. pAF may be safely studied in other ocular conditions to determine its effect on epithelial healing.
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Affiliation(s)
- Colin S Ip
- From the Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah, Salt Lake City, Utah (Ip, Jones, Weinlander, Gudgel, Lin, Yazdani, Church, Mifflin); Cell Therapy and Regenerative Medicine, University of Utah, Salt Lake City, Utah (Pierce); Department of Pediatrics, University of Utah, Salt Lake City, Utah (Holubkov, Jensen)
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Thompson V, Moshirfar M, Clinch T, Scoper S, Linn SH, McIntosh A, Li Y, Eaton M, Ferriere M, Stasi K. Topical Ocular TRPV1 Antagonist SAF312 (Libvatrep) for Postoperative Pain After Photorefractive Keratectomy. Transl Vis Sci Technol 2023; 12:7. [PMID: 36917119 PMCID: PMC10020951 DOI: 10.1167/tvst.12.3.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023] Open
Abstract
Purpose Evaluation of safety and efficacy of topical ocular SAF312 (Libvatrep) in post-photorefractive keratectomy (PRK) pain. Methods In this placebo (vehicle)-controlled, participant- and investigator-masked study, 40 participants were randomized (1:1) to two treatment sequences in a bilateral PRK crossover design (SAF312 2.5% followed by vehicle [or vice versa], one eye drop, four times daily for 72 hours after PRK). Primary endpoints were visual analog scale (VAS) pain scores at 6 hours after first drop of study drug and average VAS scores over 0 to 12 hours postoperatively. Secondary endpoints included postoperative oral rescue medication (ORM) use and adverse events (AEs). Results All 40 participants completed the study. Both primary endpoints were met; mean difference in VAS pain scores between SAF312- and vehicle-treated eyes was -11.13 (P = 0.005, -25%) at 6 hours postoperatively and -8.56 (P = 0.017, -22%) over 0 to 12 hours. Mean VAS pain scores with SAF312 were consistently lower than with vehicle from 1 hour postoperatively up to 30 hours (P ≤ 0.10 observed in 8/11 time points). Less ORM was taken with SAF312 up to 0 to 72 hours postoperatively, with a trend of fewer participants taking ORM at 0 to 24 hours postoperatively with SAF312 versus vehicle. No serious AEs were reported. All ocular AEs were mild and transient, and none were drug related. SAF312-treated eyes showed no delay in wound healing and had a lower grade 4 conjunctival hyperemia 24 hours postoperatively versus vehicle-treated eyes. Conclusions SAF312 was well tolerated and effective in reducing ocular pain post-PRK. Translational Relevance Topical SAF312 presents a new therapeutic option for patients undergoing PRK.
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Affiliation(s)
- Vance Thompson
- Vance Thompson Vision, Sioux Falls, SD, USA.,University of South Dakota, Sanford School of Medicine, Sioux Falls, SD, USA
| | - Majid Moshirfar
- Hoopes, Durrie, Rivera Research, Hoopes Vision, Draper, UT, USA
| | | | | | - Steven H Linn
- Hoopes, Durrie, Rivera Research, Hoopes Vision, Draper, UT, USA
| | | | - Yifang Li
- Novartis Pharmaceuticals Corp., East Hanover, NJ, USA
| | - Matt Eaton
- Novartis Institute of Biomedical Research, Cambridge, MA, USA
| | | | - Kalliopi Stasi
- Novartis Institute of Biomedical Research, Cambridge, MA, USA
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Developing a Measure to Quantify Ocular Pain Postoperatively: The Adaptation of the Ocular Pain Assessment Survey. J Ophthalmol 2022; 2022:3116913. [PMID: 36276918 PMCID: PMC9586810 DOI: 10.1155/2022/3116913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 09/23/2022] [Indexed: 11/17/2022] Open
Abstract
Purpose Since quantification and communication of ocular pain is important for a healthier patient follow-up and postoperative guidance, reliable measures like the Ophthalmic Pain Assessment Survey (OPAS) are needed to assess the outcome and management of different operations. To address that need, we carried out the adaptation of OPAS into Turkish to reach different age groups and backgrounds, widening the use of OPAS on patients who underwent an ophthalmic operation. Methods We used back-translation method and achieved cultural adaptation through content validity scoring by 5 independent ophthalmologists. The survey is then administered three times: preoperatively, postoperatively within 24 hours, and finally a week later in the follow-up visit. Validity is measured in comparison to Visual Analog Scale using Spearman's correlation coefficient and reliability is measured using Cronbach's alpha. Factor analysis is performed by principal component analysis and rotation is performed using Varimax method when necessary. Results We reached a total of 132 patients with a mean age of 64.2 years. Most of them underwent phacoemulsification (n = 83), followed by PRK (n = 37). Overall, the T-OPAS demonstrated good reliability (mean C. alpha: 0.830) and its correlation with the VAS was especially high (S. coeff. >0.5) in the first three sections in all three surveys. Factor analysis yielded 5 subscales, allowing us to shape the final form of T-OPAS. Conclusion Through this adaptation of OPAS into a foreign language, we present a reliable and valid tool for postoperative pain quantification, allowing objective measurement of pain in different populations such as the elderly.
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Preoperative Predictors for Acute Pain After Photorefractive Keratectomy. Cornea 2022; 41:940-949. [PMID: 35543577 DOI: 10.1097/ico.0000000000003037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 02/21/2022] [Indexed: 11/25/2022]
Abstract
PURPOSE The aim of this study was to identify preoperative predictors for the occurrence of early severe postoperative pain in patients undergoing photorefractive keratectomy (PRK). The implementation of preoperative screening methods may facilitate more specific or aggressive pain therapies specifically targeted to individuals at a high risk of experiencing severe postoperative pain. METHODS This was exploratory research that included patients who underwent PRK. Before PRK, patients were administered a sociodemographic questionnaire, the Pain Catastrophizing Scale, and the State-Trait Anxiety Inventory and underwent corneal sensitivity and conditioned pain modulation (CPM) tests. Post-PRK pain was assessed using a pain intensity visual analog scale (VAS), and the short-form McGill Pain Questionnaire (SF-MPQ) was completed 21 days before PRK and 1, 24, 48, and 72 hours after PRK. Spearman correlations were calculated for pain scores and preoperative predictors. RESULTS This research included 34 eyes of 34 patients. Preoperative corneal sensitivity was positively correlated with post-PRK pain scores as assessed by VAS and SF-MPQ (rho = 0.39 and rho = 0.41, respectively, P < 0.05). No correlations were found between Pain Catastrophizing Scale, State-Trait Anxiety Inventory, and CPM scores and post-PRK pain scores (P > 0.05). CONCLUSIONS Abnormal presurgical corneal sensitivity was a protective marker for severe pain after PRK, while scores as assessed by VAS and SF-MPQ and CPM were not related to postoperative pain.
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Jost M, Pfaeffli O, Kaufmann C, Reichmuth V, Thiel M, Baenninger P. Efficacy of Diclofenac in Pain Reduction after Topography-Guided Transepithelial Surface Ablation. Klin Monbl Augenheilkd 2022; 239:386-389. [PMID: 35320868 DOI: 10.1055/a-1739-0410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
PURPOSE To report the efficacy of postoperative diclofenac eye drops for pain reduction in patients undergoing topography-guided transepithelial surface ablation. METHODS Retrospective consecutive case series of patients undergoing topography-guided transepithelial surface ablation for refractive myopia treatment using a 1 KHz excimer laser. Patients were divided into three groups. Group 1 did not receive any diclofenac drops, group 2 received one diclofenac drop postoperatively (day 1), and group 3 received one drop of diclofenac postoperatively (day 1) and on the day after treatment (day 2). Postoperative pain was self-assessed by patients per eye daily for the first 4 consecutive days (days 1 to 4) after the treatment using the visual analogue scale (VAS). We compared VAS with respect to the use of additional oral or topical treatment as well as VAS with regards to the total amount of ablated tissue (< 50 µm, 50 - 100 µm, ≥ 100 µm) among the groups. RESULTS We enrolled 163 eyes of 163 patients (55.0% female), with a mean age of 31.3 years (SD ± 6.6; range 21 - 68). We excluded 16 patients who applied other additional analgesics. Group 1 comprised 35 eyes (21%), group 2 had 21 eyes (13%), and group 3 consisted of 107 eyes (66%). Median pain score (VAS) was 5 (range 0, 10) in group 1, which was higher than in groups 2 (median 1, range 0 to 7) and 3 (median 1.5, range 0 to 7) on the day of surgery (p < 0.0001). Percentage of patients using an additional oral NSAID on days 1 and 2 was significantly higher in group 1 (69/83%) when compared to groups 2 (24/43%) or 3 (31/49%) (p < 0.001 day 1, p = 0.001 day 2). No correlation was found between pain sensation and maximum ablation depth (Spearman correlation p > 0.05). CONCLUSION The instillation of one drop of diclofenac after topography-guided transepithelial surface ablation reduced subjective pain sensation according to VAS and decreased the need for additional topical anesthetic drops or oral NSAID.
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Affiliation(s)
- Moritz Jost
- Augenklinik, Luzerner Kantonsspital, Luzern, Switzerland.,Ophthalmology, Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | | | - Claude Kaufmann
- Augenklinik, Luzerner Kantonsspital, Luzern, Switzerland.,Ophthalmology, Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | | | - Michael Thiel
- Augenklinik, Luzerner Kantonsspital, Luzern, Switzerland.,Ophthalmology, Faculty of Medicine, University of Zurich, Zurich, Switzerland
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12
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Wang Y, Shen F, Sun W, Wang Q, Zhao X. Bandage contact lens soaked in 0.1% diclofenac to relieve early postoperative pain and foreign body sensation after transepithelial photorefractive keratectomy. Eur J Ophthalmol 2022; 32:3321-3327. [PMID: 35196147 DOI: 10.1177/11206721221082301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To study the effects of a bandage contact lens immersed in 0.1% diclofenac on pain management for patients undergoing transepithelial photorefractive keratectomy (TPRK). METHODS In a prospective, comparative, contralateral, randomized, double-masked study, we assessed a total of 51 patients. The eyes of each patient were randomly divided into two groups. After TPRK, a normal soft bandage contact lens was placed on one eye as the control group, and a bandage contact lens soaked in diclofenac was placed on the other eye as the experimental group. When the bandage contact lens was not removed, postoperative pain and other ocular discomforts were compared at 2, 18, and 24 h and 2, 3, 4, and 5 postoperative days. Patients were then examined after 1 month. Visual acuity and subepithelial haze were also evaluated. RESULTS The mean pain score was 2.69 ± 1.96 in the control group, which was significantly higher than that in the experimental group, which received the diclofenac-soaked bandage contact lens at 2 postoperative hours. The statistical difference between the two groups' mean foreign body sensation at 2 postoperative hours was detected (p = 0.035). No differences were detected between the two groups' subepithelial haze scores or visual acuity. CONCLUSION A bandage contact lens soaked in 0.1% diclofenac solution can be used as a potential drug-delivery system to relieve early postoperative pain and foreign body sensation after TPRK.
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Affiliation(s)
- Yuan Wang
- 150163Eye Hospital, Wenzhou Medical University, 270 West Xueyuan Road, Wenzhou 325027, Zhejiang, China.,Hangzhou Xihu Zhijiang Eye hospital, 366 Xiangshan, Hangzhou 310008, Zhejiang, China
| | - Fei Shen
- Hangzhou Xihu Zhijiang Eye hospital, 366 Xiangshan, Hangzhou 310008, Zhejiang, China
| | - Weiyang Sun
- Hangzhou Xihu Zhijiang Eye hospital, 366 Xiangshan, Hangzhou 310008, Zhejiang, China
| | - Qinmei Wang
- 150163Eye Hospital, Wenzhou Medical University, 270 West Xueyuan Road, Wenzhou 325027, Zhejiang, China.,Hangzhou Xihu Zhijiang Eye hospital, 366 Xiangshan, Hangzhou 310008, Zhejiang, China
| | - Xiangyang Zhao
- Hangzhou Xihu Zhijiang Eye hospital, 366 Xiangshan, Hangzhou 310008, Zhejiang, China
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Mattout HK, Fouda SM. The use of topical nalbuphine in different concentrations to control pain after photorefractive keratectomy. Int Ophthalmol 2022; 42:2145-2153. [PMID: 35020101 DOI: 10.1007/s10792-022-02214-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 01/01/2022] [Indexed: 10/19/2022]
Abstract
PURPOSE This is a randomized controlled study aiming to evaluate the safety and efficacy of two different concentrations of topical nalbuphine hydrochloride, when used to relieve pain in the first days following photorefractive keratectomy (PRK). METHODS This is a prospective double blinded randomized clinical trial that included 189 patients who had PRK for correction of low and moderate refractive errors. Patients were randomly assigned to three groups according to the eye drops given to relieve pain in the first three postoperative days; the first group received topical nalbuphine with a concentration of 2 mg/ml (Group A = 64 patients), the second group received topical nalbuphine in a concentration of 1 mg/ml (Group B = 69 patients) and the third group received topical artificial tears only (Group C = 56 patients).The patients were asked to rate their pain daily using a numeric rating scale and to record the number of drops instillation times/day. The time needed for complete epithelial healing, best-corrected visual acuity (BCVA) and spherical equivalent after three months were recorded in each group. RESULTS In the first three days, there was a statistically significant difference in pain score among the three groups with lower values in the two topical nalbuphine groups when compared with the control group receiving artificial tears. Moreover, the higher concentration group showed significantly lower pain score and less number of drops used /day in comparison with the lower concentration group.There were no statistically significant differences in epithelial healing time, BCVA and spherical equivalent after three months among the three groups. CONCLUSION The use of topical nalbuphine is effective in relieving pain in the first few days following PRK and this pain relief is not associated with any compromise regarding epithelial healing nor refractive outcome. The pain control with 2 mg/ml concentration is significantly higher than that with 1 mg/ml concentration of nalbuphine. Trial registration numberISRCTN21394752 https://doi.org/10.1186/ISRCTN21394752 The trial is retrospectively registered in ISRCTN registry at March 08, 2021.
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Affiliation(s)
- Hala Kamal Mattout
- Ophthalmology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
| | - Sameh Mosaad Fouda
- Ophthalmology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Sheskin T, Geyer O, Lotan N, Sivan S. Controlled and time‐scheduled drug delivery: Polyanhydride‐based nanoparticles as ocular medication carriers. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Tali Sheskin
- Department of Biomedical Engineering Technion – Israel Institute of Technology Haifa Israel
| | - Orna Geyer
- Azrieli Faculty of Medicine Bar‐Ilan University Safed Israel
- Department of Ophthalmology Galilee Medical Center Nahariya Israel
| | - Noah Lotan
- Department of Biomedical Engineering Technion – Israel Institute of Technology Haifa Israel
| | - Sarit Sivan
- Department of Biotechnology Engineering ORT Braude College of Engineering Karmiel Israel
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Mohammadpour M, Rezaei F, Heirani M, Khorrami-Nejad M. Comparison of Postoperative Symptoms of Alcohol-Assisted Versus Mechanical Epithelial Removal in Photorefractive Keratectomy: A Contralateral Double Blind Clinical Trial. Eye Contact Lens 2021; 47:655-659. [PMID: 34393178 DOI: 10.1097/icl.0000000000000829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/30/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE To compare the short-term complaints of postoperative pain, and other ocular discomfort symptoms in patients who underwent photorefractive keratectomy (PRK) with alcohol-assisted epithelial removal in one eye versus mechanical debridement in the other eye. METHOD A prospective, interventional, contralateral double blind clinical trial was performed on 164 eyes of 82 candidates of PRK surgery. The patients were divided into two groups. The first group was alcohol-assisted PRK group in which the epithelial removal was performed on their right eye. The second group was mechanical PRK group in which epithelial removal was performed on their left eye. A numerical rating scale was given to the patients to describe the severity of postoperative pain on the first day following PRK. Postoperative discomfort symptoms including the complaints of light sensitivity, tearing, blurring, and foreign body sensation was also provided by the survey form. RESULTS One day following PRK, the mean pain score of the alcohol-assisted PRK group and the mechanical PRK group was 3.4±3.1 and 4.1±3.3, respectively (P=0.019). The highest scores recorded for alcohol-assisted and mechanical treated groups were burning (5.22) and light sensitivity (5.46), respectively. Sixty-eight (82.9%) of all patients experienced postoperative pain, and in 52 (76.5%) of them, the time of pain onset was less than 2 hrs. CONCLUSION We found less pain and discomfort using alcohol-assisted technique compared with mechanical epithelial removal that was provided by a detailed pain and ocular discomfort symptoms assessment one day following PRK surgery.
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Affiliation(s)
- Mehrdad Mohammadpour
- Translational Ophthalmology Research Center (M.M., F.R., M.H., M.K.-N.), Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran; and School of Rehabilitation (M.K.-N.), Tehran University of Medical Sciences, Tehran, Iran
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Mohammadpour M, Heirani M, Khorrami-Nejad M, Ambrósio R. Update on Pain Management After Advanced Surface Ablation. J Refract Surg 2021; 37:782-790. [PMID: 34756143 DOI: 10.3928/1081597x-20210809-02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
PURPOSE To provide an update for postoperative pain control strategies to help ophthalmic surgeons establish a more effective management plan for patients who underwent advanced surface ablation surgeries. METHODS Google Scholar, Scopus, ScienceDirect, and PubMed were the main resources used to search the medical literature. RESULTS The postoperative cornea's healing process is accompanied by intense pain as the chief complaint in the first days after the operation. Several strategies were developed to relieve postoperative pain after surface ablation procedures. These strategies included different preoperative, intraoperative, and postoperative methods. Considering the preoperative demographic and emotional factors, underlying dry eye, alternative epithelial removal techniques, bandage contact lenses, and topical or oral therapeutic agents are some examples of postoperative pain treatments after surface ablation procedures. CONCLUSIONS The current review revealed that despite the development of numerous protocols to relieve postoperative pain following surface ablations, the best approach could be a combination of different strategies. In practice, no validated and standardized strategy is available for total elimination of postoperative pain following advanced surface ablation surgeries. [J Refract Surg. 2021;37(11):782-790.].
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Palochak CMA, Reed DS, Apsey DA, Legault GL, Carlton D, Caldwell MC, Townley JR, Madsen MH, Evangelista CB. Pain Control Following Photorefractive Keratectomy: A Prospective Clinical Trial Comparing Codeine Versus Oxycodone for the Management of Postoperative Pain. J Refract Surg 2021; 37:582-589. [PMID: 34506240 DOI: 10.3928/1081597x-20210701-01] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
PURPOSE To compare the efficacy of oral codeine plus acetaminophen versus oxycodone plus acetaminophen for severe pain control following photorefractive keratectomy (PRK). METHODS This single-center trial randomized 200 patients to receive codeine 30 mg/acetaminophen 325 mg (codeine group) or oxycodone 5 mg/acetaminophen 325 mg (oxycodone group)every 4 hours as needed for severe pain for 4 days following PRK. Patients recorded postoperative pain, tablet consumption, and tetracaine use. Patients were monitored at postoperative 1 day, 1 week, and 1, 3, and 6 months for visual acuity and follow-up. Study outcomes were mean postoperative pain, treatment and tetracaine use, and visual acuity. RESULTS Analysis of 197 patients who completed the trial (97 codeine group and 100 oxycodone group) showed mean pain scores were lower in the codeine group throughout the intervention period. Mean pain scores were higher in the oxycodone group than the codeine group on postoperative days 2 and 4 (P = .017 and P = .034, respectively). The oxycodone group consumed more tablets than the codeine group, with a difference on postoperative day 2 (P = .019), and used a greater number of tetracaine drops (P = .015). Repeated measures analysis of variance showed significant improvement in visual acuity in both groups with no difference in visual outcomes (P = .81). CONCLUSIONS Codeine/acetaminophen is as effective and safe as oxycodone/acetaminophen for pain control following PRK, with no clinical difference in overall pain control and long-term visual outcomes. This implies that treating postoperative pain after PRK with a Schedule III opioid (codeine) is effective and potentially decreases the risk of misuse by a higher regulated Schedule II opioid (oxycodone), lowering the potential for abuse and dependence. [J Refract Surg. 2021;37(9):582-589.].
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Liu M, Shi W, Liu X, Li N, Chen T, Gao H. Postoperative corneal biomechanics and influencing factors during femtosecond-assisted laser in situ keratomileusis (FS-LASIK) and laser-assisted subepithelial keratomileusis (LASEK) for high myopia. Lasers Med Sci 2021; 36:1709-1717. [PMID: 33891212 DOI: 10.1007/s10103-021-03320-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 04/11/2021] [Indexed: 11/24/2022]
Abstract
The purpose of this study is to compare the postoperative corneal biomechanics and assess the influence factors after femtosecond-assisted laser in situ keratomileusis (FS-LASIK) and laser-assisted subepithelial keratomileusis (LASEK) for high myopia. In this retrospective study, patients who completed 1-year follow-up were included. The corneal biomechanical parameters, including deformation amplitude ratio 2.0 mm (DA ratio 2.0 mm), integrated inverse radius (IntInv Rad), stiffness parameter at first applanation (SP-A1), and Ambrosio relational thickness through the horizontal meridian (ARTh), were measured with Corvis STII. We also investigated the relationship between these biomechanics and preoperative or intraoperative variables. Thirty eyes had FS-LASIK and 30 eyes had LASEK. The changes in DA ratio 2.0 mm, IntInv Rad, and SP-A1 after surgery were significantly smaller in the LASEK group than in the FS-LASIK group, while the change in the ARTh was not significantly different between groups. No significant differences were detected in the mean values of postoperative DA ratio 2.0 mm, IntInv Rad, and SP-A1 between LASEK and FS-LASIK, while significant difference was detected in the mean value of postoperative ARTh. There was a significant correlation between the resident stromal bed thickness and the postoperative DA ratio 2.0 mm, IntInv Rad, or SP-A1. The postoperative ARTh has shown significant correlation with postoperative central corneal thickness and the amount of myopic correction. The effect of LASEK on corneal biomechanics was smaller than FS-LASIK when the same central corneal thickness was consumed. LASEK may be performed with a lower risk of postoperative corneal ectasia than FS-LASIK.
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Affiliation(s)
- Mingna Liu
- Eye Hospital of Shandong First Medical University, 372 Jingsi Road, Jinan, 250021, China.,State Key Laboratory Cultivation Base Eye Institute, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Weiyun Shi
- Eye Hospital of Shandong First Medical University, 372 Jingsi Road, Jinan, 250021, China.,State Key Laboratory Cultivation Base Eye Institute, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Xin Liu
- Eye Hospital of Shandong First Medical University, 372 Jingsi Road, Jinan, 250021, China.,State Key Laboratory Cultivation Base Eye Institute, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Na Li
- Eye Hospital of Shandong First Medical University, 372 Jingsi Road, Jinan, 250021, China.,State Key Laboratory Cultivation Base Eye Institute, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Tong Chen
- Eye Hospital of Shandong First Medical University, 372 Jingsi Road, Jinan, 250021, China.,State Key Laboratory Cultivation Base Eye Institute, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China
| | - Hua Gao
- Eye Hospital of Shandong First Medical University, 372 Jingsi Road, Jinan, 250021, China. .,State Key Laboratory Cultivation Base Eye Institute, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao, China.
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20
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Paik DW, Lim DH, Chung TY. Effects of taking pregabalin (Lyrica) on the severity of dry eye, corneal sensitivity and pain after laser epithelial keratomileusis surgery. Br J Ophthalmol 2020; 106:474-479. [PMID: 33303426 DOI: 10.1136/bjophthalmol-2020-317570] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/27/2020] [Accepted: 11/14/2020] [Indexed: 11/04/2022]
Abstract
BACKGROUND Corneal nerve damage after laser epithelial keratomileusis (LASEK) is thought to be the cause of dry eye and pain. Therefore, we investigated whether taking pregabalin (Lyrica), which reduces peripheral neuropathic pain, alleviates corneal nerve sensitivity after surgery and reduces dry eye and pain. METHODS Patients were treated with pregabalin (150 mg two times a day for 15 days) from the day before surgery onward and compared with those who did not receive the medications. Before surgery, the severity of dry eye was assessed. Then, corneal sensitivity was assessed by esthesiometry and pain was assessed according to the Visual Analogue Scale. Images of the sub-basal nerve plexus were analysed using confocal microscopy to evaluate nerve regeneration at 6 months. RESULTS Forty eyes in the pregabalin group and 40 eyes in the control group were included in this study. No significant differences regarding the severity of dry eye, corneal sensitivity test results and nerve fibre density existed between the two groups until 6 months. The pregabalin group showed significantly reduced pain at 1 week. CONCLUSIONS Taking pregabalin during LASEK surgery may affect corneal nerve sensitivity and reduce pain. However, for up to 6 months thereafter, corneal sensitivity and nerve fibre density are not significantly different from findings in the control group, so pregabalin does not seem to affect nerve regeneration or structural changes.
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Affiliation(s)
- Dong Won Paik
- Department of Ophthalmology, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea (the Republic of)
| | - Dong Hui Lim
- Department of Ophthalmology, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea (the Republic of).,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences and Technology, Seoul, Korea (the Republic of)
| | - Tae-Young Chung
- Department of Ophthalmology, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea (the Republic of)
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Yoon HJ, Kim J, Yoon KC. Treatment Response to Gabapentin in Neuropathic Ocular Pain Associated with Dry Eye. J Clin Med 2020; 9:jcm9113765. [PMID: 33266439 PMCID: PMC7700262 DOI: 10.3390/jcm9113765] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/12/2020] [Accepted: 11/19/2020] [Indexed: 12/19/2022] Open
Abstract
PURPOSE To investigate the response to gabapentin treatment in patients with dry eye (DE) accompanied by features of neuropathic ocular pain (NOP), and to analyze the differences between clinical manifestations of the groups according to treatment response. METHODS We retrospectively reviewed the records of 35 patients with DE accompanied by NOP features and obtained information on their medical history and previous ocular history. The patients underwent clinical examinations of the tear film, ocular surface, and meibomian gland and completed the Ocular Pain Assessment Survey (OPAS). One month after treatment with topical eye drops, add-on of gabapentin treatment was determined according to the Wong-Baker FACES Pain Rating Scale (WBFPS). A reduction of 2 points or more on the WBFPS was considered a positive treatment response. Enrolled patients were divided into three groups according to the treatment response: topical treatment response group (group 1, n = 11); gabapentin response group (group 2, n = 13); and gabapentin non-response group (group 3, n = 11). The medical history, clinical parameters, and OPAS scores were compared between groups. RESULTS The incidence of systemic comorbidities was higher in group 2 than in other groups. The corneal staining scores were lower in groups 2 and 3 than in group 1. Among the treatment response groups, group 2 showed improvements in OPAS scores of ocular pain severity, pain other than eyes, and quality of life, while group 1 showed improved OPAS scores of ocular pain severity and ocular associated factors. Group 2 exhibited lower scores of pains aggravated by mechanical and chemical stimuli than group 3. CONCLUSIONS Gabapentin could be effective in patients who have systemic comorbidity and less pain evoked by mechanical and chemical stimuli for the treatment of DE patients with NOP, which is refractory to topical treatment.
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Affiliation(s)
| | | | - Kyung Chul Yoon
- Correspondence: ; Tel.: +82-62-220-6741; Fax: +82-62-227-1642
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22
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Abstract
PURPOSE OF REVIEW Eye pain is one of the most common presenting symptoms in ophthalmology. It can range from bothersome to debilitating for patients, and it can be vexing for clinicians, especially in the white and quiet eye. The purpose of this review is to provide updates of recent literature regarding eye pain and to communicate our current understanding regarding the evaluation and management of conditions that cause eye pain with a relatively normal examination. RECENT FINDINGS This review concerns recent literature regarding eye pain in the white and quiet eye. It is arranged by cause of pain and discusses dry eye syndrome, recurrent corneal erosion, postrefractive surgical pain, eye strain, intermittent angle closure, benign essential blepharospasm, trochleodynia, trochleitis and trochlear headache, and posterior scleritis. SUMMARY Eye pain in the white and quiet eye remains a difficult-to-navigate topic for practitioners. However, a careful history and focused physical examination can elucidate the diagnosis in many cases. Recent updates to the literature have advanced our knowledge of how to identify and treat the underlying causes of eye pain.
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Affiliation(s)
- Jerome Kulenkamp
- Department of Ophthalmology and Visual Neurosciences, University of Minnesota, Minneapolis, MN
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Ma J, Wei S, Jiang X, Chou Y, Wang Y, Hao R, Yang J, Li X. Evaluation of objective visual quality in dry eye disease and corneal nerve changes. Int Ophthalmol 2020; 40:2995-3004. [PMID: 32617802 PMCID: PMC7550365 DOI: 10.1007/s10792-020-01483-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 06/20/2020] [Indexed: 12/28/2022]
Abstract
PURPOSE To explore objective visual quality in dry eye diseases (DED) and the correlation between corneal nerves and objective visual quality. METHODS Ninety-eight eyes of 49 patients with DED were included. Each patient was evaluated with the ocular surface disease index (OSDI), eyelid margin signs and meibomian gland assessments; corneal staining; tear film breakup time (TBUT); tear meniscus height (TMH); in vivo confocal microscopic (IVCM); objective visual quality including the objective scatter index (OSI), mean objective scattering index (mOSI), modulation transfer function (MTF) cutoff value and Strehl ratio. RESULTS A significant correlation was found between the OSDI and mOSI (r = 0.422, p = 0.005), MTF cutoff value (r = - 0.355, p = 0.020), and Strehl ratio (r = - 0.446, p = 0.003). The OSI was significantly correlated with TBUTf (r = - 0.213, p = 0.042). The mOSI, MTF cutoff value, Strehl ratio were correlated with eyelid margin signs and meibomian assessments. Additionally, there was a statistically significant correlation between corneal nerve length and the mOSI (r = - 0.239, p = 0.037), OSI (r = - 0.294, p = 0.028), MTF cutoff value(r = 0.282, p = 0.012), and Strehl ratio (r = 0.299, p = 0.008). CONCLUSIONS Our study explored that objective visual quality was correlated with clinical symptoms and signs in DED patients. Furthermore, for the first time, our study explored the relationship between corneal nerves and objective visual quality and discovered that longer and wider corneal nerves were associated with better objective visual quality, which suggested that nerve changes may be a factor that related to poor visual quality in DED patients.
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Affiliation(s)
- Jiahui Ma
- Department of Ophthalmology, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, 100191, China
| | - Shanshan Wei
- Department of Ophthalmology, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, 100191, China
| | - Xiaodan Jiang
- Department of Ophthalmology, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, 100191, China
| | - Yilin Chou
- Department of Ophthalmology, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, 100191, China
| | - Yuexin Wang
- Department of Ophthalmology, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, 100191, China
| | - Ran Hao
- Department of Ophthalmology, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, 100191, China
| | - Jiarui Yang
- Department of Ophthalmology, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, 100191, China
| | - Xuemin Li
- Department of Ophthalmology, Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, 100191, China.
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Medeiros CS, Santhiago MR. Corneal nerves anatomy, function, injury and regeneration. Exp Eye Res 2020; 200:108243. [PMID: 32926895 DOI: 10.1016/j.exer.2020.108243] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 09/06/2020] [Accepted: 09/08/2020] [Indexed: 12/29/2022]
Abstract
The cornea is a highly innervated tissue, exhibiting a complex nerve architecture, distribution, and structural organization. Significant contributions over the years have allowed us to come to the current understanding about the corneal nerves. Mechanical or chemical trauma, infections, surgical wounds, ocular or systemic comorbidities, can induce corneal neuroplastic changes. Consequently, a cascade of events involving the corneal wound healing, trophic functions, neural circuits, and the lacrimal products may interfere in the corneal homeostasis. Nerve physiology drew the attention of investigators due to the popularization of modern laser refractive surgery and the perception of the destructive potential of the excimer laser to the corneal nerve population. Nerve fiber loss can lead to symptoms that may impact the patient's quality of life, and impair the best-corrected vision, leading to patient and physician dissatisfaction. Therefore, there is a need to better understand preoperative signs of corneal nerve dysfunction, the postoperative mechanisms of nerve degeneration and recovery, aiming to achieve the most efficient way of treating nerve disorders related to diseases and refractive surgery.
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Affiliation(s)
| | - Marcony R Santhiago
- University of São Paulo, São Paulo, SP, Brazil; University of Southern California, Los Angeles, CA, United States
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Michael R, Jeffers JV, Messenger W, Aref AA. Gabapentin for presumed neuropathic ocular pain. Am J Ophthalmol Case Rep 2020; 19:100836. [PMID: 32760852 PMCID: PMC7390772 DOI: 10.1016/j.ajoc.2020.100836] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 07/08/2020] [Accepted: 07/15/2020] [Indexed: 11/28/2022] Open
Abstract
Purpose To report a case of chronic neuropathic ocular pain in a patient without visual complaints. Observations A 37-year-old male with a history of bilateral laser-assisted in situ keratomileusis (LASIK) presented with pain symptoms of 8 months duration in the left eye. The prior LASIK surgery was complicated by corneal ectasia in the left eye requiring penetrating keratoplasty and subsequent placement of a glaucoma drainage implant for uncontrolled, elevated intraocular pressure. The patient was evaluated with a complete clinical examination, including Goldmann applanation tonometry, dilated fundus examination, fluorescein angiography, optical coherence tomography, and magnetic resonance imaging. After 3 weeks of treatment with gabapentin 300 mg BID, the patient reported complete resolution of the ocular pain. Conclusions and Importance The pathophysiology of neuropathic ocular pain remains poorly understood. Clinical evaluation often reveals minimal ophthalmic exam findings, leading to an underdiagnosis of the condition by ophthalmologists. Gabapentin may be an underutilized medication in the treatment of chronic ocular pain.
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Affiliation(s)
- Raman Michael
- University of Illinois at Chicago College of Medicine, USA
| | | | - Wyatt Messenger
- Illinois Eye and Ear Infirmary, University of Illinois at Chicago, USA
| | - Ahmad A Aref
- Illinois Eye and Ear Infirmary, University of Illinois at Chicago, USA
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26
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Ripa M, Betts B, Dhaliwal S, Wang K, Pouly S, Chen D, Mifflin M. Survey of Postoperative Pain in Photorefractive Keratectomy Using Topical versus Oral Nonsteroidal Anti-Inflammatory Drugs. Clin Ophthalmol 2020; 14:1459-1466. [PMID: 32546954 PMCID: PMC7266408 DOI: 10.2147/opth.s255441] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Purpose To evaluate and compare postoperative pain following photorefractive keratectomy (PRK) in patients using a preventive regimen of oral versus topical nonsteroidal anti-inflammatory drugs (NSAIDs). Patients and Methods A prospective, randomized, longitudinal survey of postoperative PRK pain was performed on 157 subjects in a tertiary academic medical center setting. Patients were randomized to either topical ketorolac 0.4% every 12 hours or oral naproxen sodium 220 mg every 12 hours for 72 hours following PRK, beginning at the time of surgery. The primary outcome measure was the daily peak pain score from the validated numerical rating scale (NRS) for five days after surgery. Results The peak pain scores were significantly higher in the oral NSAID group (mean 5.82, SD 1.94) compared to the topical NSAID group (mean 4.2, SD 2.19) (p<0.0001) after PRK. When comparing each postoperative day after PRK, the pain scores from 24 to 48 hours (day 2) were significantly higher in the oral NSAID group (mean 5.17, SD 2.25) as compared to the topical NSAID group (mean 3.21, SD 2.09) (p<0.0001). Pain scores 24–72 hours after surgery (days 2 and 3) were higher than pain scores on days 1, 4, and 5 for both groups. Conclusion Twice daily oral naproxen sodium 220 mg is inferior to twice daily topical ketorolac 0.4% in the treatment of early postoperative pain after PRK. This study also identified a consistent trend in which pain scores were highest 24–72 hours after the procedure. This additional observation may be useful in understanding, preventing, and treating post-PRK pain.
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Affiliation(s)
- Madeline Ripa
- Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah, Salt Lake City, UT, USA
| | - Brent Betts
- Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah, Salt Lake City, UT, USA
| | - Shagun Dhaliwal
- Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah, Salt Lake City, UT, USA
| | - Kaidi Wang
- Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah, Salt Lake City, UT, USA
| | - Severin Pouly
- Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah, Salt Lake City, UT, USA
| | - Danli Chen
- Division of Epidemiology, University of Utah, Salt Lake City, UT, USA
| | - Mark Mifflin
- Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah, Salt Lake City, UT, USA
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Duration of topical steroid application after photorefractive keratectomy with mitomycin C. J Cataract Refract Surg 2020; 46:622-632. [PMID: 32271298 DOI: 10.1097/j.jcrs.0000000000000060] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Contradictory results of postoperative steroid application in photorefractive keratectomy (PRK) led to a meta-analysis of the existing data to achieve a definite conclusion on the optimum dosage and duration of corticosteroid therapy after PRK. The overall pooled unstandardized mean difference (PUMD) of the corneal haze score was -0.20 (95% CI, -0.29 to -0.12). In subgroup analysis, the PUMD of the corneal haze score was statistically significant in 2 subgroups, -0.57 (-0.85 to -0.30) for 3 to 6 months postoperatively and -0.13 (-0.23 to -0.04) for ≤ 3 months postoperatively. Analysis of the PUMD of postoperative spherical equivalent in participants with low to moderate myopia (≥-6.00 D) and high myopia (<-6.00 D) showed positive effects of steroids on prevention of myopia regression. In conclusion, long-term topical steroid application after PRK seems unnecessary in low and moderate myopia. New randomized clinical trials using current technologies are recommended for postoperative treatments.
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Duru Z, Duru N, Ulusoy DM. Effects of senofilcon A and lotrafilcon B bandage contact lenses on epithelial healing and pain management after bilateral photorefractive keratectomy. Cont Lens Anterior Eye 2020; 43:169-172. [DOI: 10.1016/j.clae.2019.08.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 08/14/2019] [Accepted: 08/19/2019] [Indexed: 11/30/2022]
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Duru N, Altunel O, Sırakaya E, Küçük B. Comparison of the balafilcon A and samfilcon A lenses on postoperative pain control and epithelial healing time after photorefractive keratectomy: a contralateral eye study. Lasers Med Sci 2020; 35:1955-1960. [PMID: 32125536 DOI: 10.1007/s10103-020-02985-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 02/14/2020] [Indexed: 11/28/2022]
Abstract
To compare the effects of balafilcon A and samfilcon A silicone hydrogel bandage contact lenses on postoperative pain control and epithelial healing time after photorefractive keratectomy (PRK). Seventy-four eyes of 37 patients who underwent bilateral PRK were included in this randomized clinical trial study. In the end of the surgery, a balafilcon A lens was used in one eye and a samfilcon A lens was used in the fellow eye randomly. Pain, blurred vision, epiphora, photophobia, and foreign body sensation were assessed on the first and third postoperative day using a visual analogue scale (0 = no ocular pain or discomfort, 10 = highest level of ocular pain and discomfort). For balafilcon A and samfilcon A lenses, mean scores for pain were 6.22 ± 2.81 and 3.11 ± 2.90 on first postoperative day (p < 0.001) and 1.57 ± 1.65 and 0.68 ± 0.85 on third postoperative day (p = 0.001), respectively; mean scores for foreign body sensation were 6.11 ± 2.53 and 3.19 ± 2.72 on first postoperative day (p < 0.001) and 3.16 ± 1.92 and 1.35 ± 1.43 on third postoperative day (p < 0.001), also respectively; and mean scores for epiphora were 6.46 ± 2.64 and 5.46 ± 3.40 on first postoperative day (p = 0.007) and 1.68 ± 1.60 and 1.32 ± 1.31 on third postoperative day (p = 0.065), again respectively. No significant difference in blurred vision or photophobia emerged between the lenses on first and third postoperative day after PRK. On the third postoperative day, reepithelialization was complete in 83.7% of eyes with the balafilcon A lens and 89.1% of eyes fitted with the samfilcon A lens. Wearing samfilcon A lenses after photorefractive keratectomy can significantly manage pain, decrease foreign body sensation on first and third postoperative day, and reduce epiphora on first postoperative day.
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Affiliation(s)
- Necati Duru
- Department of Ophthalmology, Kayseri City Education and Research Hospital, Kayseri, Turkey.
| | - Orhan Altunel
- Department of Ophthalmology, Kayseri City Education and Research Hospital, Kayseri, Turkey
| | - Ender Sırakaya
- Department of Ophthalmology, Kayseri City Education and Research Hospital, Kayseri, Turkey
| | - Bekir Küçük
- Department of Ophthalmology, Kayseri City Education and Research Hospital, Kayseri, Turkey
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Guo H, Hosseini-Moghaddam SM, Hodge W. Corneal biomechanical properties after SMILE versus FLEX, LASIK, LASEK, or PRK: a systematic review and meta-analysis. BMC Ophthalmol 2019; 19:167. [PMID: 31370817 PMCID: PMC6676534 DOI: 10.1186/s12886-019-1165-3] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 07/12/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The aim of this study was to compare the postoperative corneal biomechanical properties between small incision lenticule extraction (SMILE) and other corneal refractive surgeries. METHODS A systematic review and meta-analysis were conducted. Articles from January 2005, to April 2019, were identified searching PubMed, EMBASE, Web of Science, and International Clinical Trials Registry Platform. Studies that compared SMILE with other corneal refractive surgeries on adult myopia patients and evaluated corneal biomechanics were included. Multiple effect sizes in each study were combined. Random-effects model was conducted in the meta-analysis. RESULTS Twenty-two studies were included: 5 randomized controlled trials (RCTs), 9 prospective and 6 retrospective cohort studies, and 2 cross-sectional studies. Using the combined effect of corneal hysteresis (CH) and corneal resistance factor (CRF), which were obtained from ocular response analyzer (ORA), the pooled Hedges' g of SMILE versus femtosecond laser-assisted in situ keratomileusis (FS-LASIK) was 0.41 (95% CI, 0.00 to 0.81; p = 0.049; I2 = 78%), versus LASIK was 1.31 (95% CI, 0.54 to 2.08; p < 0.001; I2 = 77%), versus femtosecond lenticule extraction (FLEX) was - 0.01 (95% CI, - 0.31 to 0.30; p = 0.972; I2 = 20%), and versus the group of photorefractive keratectomy (PRK) and laser-assisted sub-epithelial keratectomy (LASEK) was - 0.26 (95% CI, - 0.67 to 0.16; p = 0.230; I2 = 54%). The summary score of Corvis ST (CST) after SMILE was comparable to FS-LASIK/LASIK with the pooled Hedges' g = - 0.05 (95% CI, - 0.24 to 0.14; p = 0.612, I2 = 55%). CONCLUSIONS In terms of preserving corneal biomechanical strength after surgeries, SMILE was superior to either FS-LASIK or LASIK, while comparable to FLEX or PRK/LASEK group based on the results from ORA. More studies are needed to apply CST on evaluating corneal biomechanics after refractive surgeries.
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Affiliation(s)
- Hui Guo
- Department of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | | | - William Hodge
- Department of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada. .,Department of Ophthalmology, Ivey Eye Institute, St. Joseph's Health Care London, 268 Grosvenor St., London, ON, Canada.
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Serna-Ojeda JC, Santana-Cruz O, Quiroz-Casian N, González-Mendoza E, Mercado-Orozco JL, Navas A, Lichtinger A, Graue-Hernandez EO. Pain Management in Corneal Collagen Crosslinking for Keratoconus: A Comparative Case Series. J Ocul Pharmacol Ther 2019; 35:325-330. [DOI: 10.1089/jop.2019.0021] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Juan Carlos Serna-Ojeda
- Department of Cornea and Refractive Surgery, Instituto de Oftalmologia “Conde de Valenciana,” Mexico City, Mexico
- Patronato Banco de Ojos y Tejidos de Aguascalientes, Aguascalientes, Mexico
| | - Omar Santana-Cruz
- Department of Cornea and Refractive Surgery, Instituto de Oftalmologia “Conde de Valenciana,” Mexico City, Mexico
| | - Natalia Quiroz-Casian
- Department of Cornea and Refractive Surgery, Instituto de Oftalmologia “Conde de Valenciana,” Mexico City, Mexico
| | - Edgar González-Mendoza
- Department of Cornea and Refractive Surgery, Instituto de Oftalmologia “Conde de Valenciana,” Mexico City, Mexico
| | - José Luis Mercado-Orozco
- Department of Cornea and Refractive Surgery, Instituto de Oftalmologia “Conde de Valenciana,” Mexico City, Mexico
| | - Alejandro Navas
- Department of Cornea and Refractive Surgery, Instituto de Oftalmologia “Conde de Valenciana,” Mexico City, Mexico
| | - Alejandro Lichtinger
- Department of Cornea and Refractive Surgery, Instituto de Oftalmologia “Conde de Valenciana,” Mexico City, Mexico
| | - Enrique O. Graue-Hernandez
- Department of Cornea and Refractive Surgery, Instituto de Oftalmologia “Conde de Valenciana,” Mexico City, Mexico
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Shetty R, Dalal R, Nair AP, Khamar P, D’Souza S, Vaishnav R. Pain management after photorefractive keratectomy. J Cataract Refract Surg 2019; 45:972-976. [DOI: 10.1016/j.jcrs.2019.01.032] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 12/31/2018] [Accepted: 01/29/2019] [Indexed: 11/15/2022]
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Yuksel E, Ozulken K, Uzel MM, Taslipinar Uzel AG, Aydoğan S. Comparison of Samfilcon A and Lotrafilcon B silicone hydrogel bandage contact lenses in reducing postoperative pain and accelerating re-epithelialization after photorefractive keratectomy. Int Ophthalmol 2019; 39:2569-2574. [DOI: 10.1007/s10792-019-01105-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Accepted: 04/29/2019] [Indexed: 11/30/2022]
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Comparison Between Diclofenac and Ketorolac Ophthalmic Drops for Pain Management After Photorefractive Keratectomy: A Randomized Clinical Study. Eye Contact Lens 2019; 45:137-140. [DOI: 10.1097/icl.0000000000000524] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Comparison of the Lotrafilcon B and Comfilcon A Silicone Hydrogel Bandage Contact Lens on Postoperative Ocular Discomfort After Photorefractive Keratectomy. Eye Contact Lens 2018; 44 Suppl 2:S273-S276. [DOI: 10.1097/icl.0000000000000471] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Zarei-Ghanavati S, Jafarpour S, Radyn-Majd A, Hosseinikhah-Manshadi H. Evaluation of early postoperative ocular pain after photorefractive keratectomy and corneal crosslinking. J Cataract Refract Surg 2018; 44:566-570. [DOI: 10.1016/j.jcrs.2018.02.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 01/27/2018] [Accepted: 02/17/2018] [Indexed: 11/26/2022]
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Kontadakis GA, Chronopoulou KG, Tsopouridou R, Tabibian D, Kymionis GD. Nepafenac Ophthalmic Suspension 0.3% for the Management of Ocular Pain After Photorefractive Keratectomy. J Refract Surg 2018. [PMID: 29522226 DOI: 10.3928/1081597x-20180123-03] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
PURPOSE To investigate the effect of nepafenac 0.3% in a once daily dosage regarding pain and healing after photorefractive keratectomy (PRK). METHODS This was a prospective, comparative, contralateral randomized study of 35 patients undergoing PRK for the correction of low to moderate myopia and myopic astigmatism. After randomization, patients received nepafenac 0.3% ophthalmic suspension once daily in one eye (nepafenac 0.3% group) and nepafenac 0.1% ophthalmic suspension three times a day in the other eye (nepafenac 0.1% group) until the second postoperative day. Pain was evaluated every 2 hours on the day of the operation and then once daily using a scale ranging from 0 to 4. Patients were then examined at 2 weeks and 1, 3, 6, and 12 postoperative months. Visual acuity and subepithelial haze were also assessed. RESULTS No differences were detected between groups in pain scores, subepithelial haze scores, or visual acuity. Refractive predictability was also similar. CONCLUSIONS Nepafenac 0.3% ophthalmic suspension in a daily regimen after PRK seems to be an effective treatment for pain and ocular discomfort with effects similar to the 0.1% suspension. [J Refract Surg. 2018;34(3):171-176.].
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Topical Osmoprotectant for the Management of Postrefractive Surgery-Induced Dry Eye Symptoms: A Randomised Controlled Double-Blind Trial. J Ophthalmol 2018; 2018:4324590. [PMID: 29675272 PMCID: PMC5838485 DOI: 10.1155/2018/4324590] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 12/28/2017] [Indexed: 02/03/2023] Open
Abstract
Background Dry eye disease (DED) is one of the most common complications following refractive surgery. Purpose Evaluate the efficacy of an osmoprotective eye drop (Optive®) for the management of induced DED in refractive surgery patients. Design Double-masked randomised controlled trial. Methods Twenty-two refractive surgery patients oriented to apply FreshTears (FT; n = 13) or Optive (Op; n = 9), topically, QID, for 3 months. Eye exams were performed before surgery (T0) and 1-month (T1) and 3-month (T3) follow-up and consisted of tear film osmolarity, Schirmer 1 test, tear film breakup time (TBUT), fluorescein staining, and ocular surface disease index (OSDI) and patient symptoms questionnaires. Main Outcome Measures Pain and osmolarity. Results Pain increased significantly for FT at T3 (p < 0.05). A reduction in osmolarity was observed at T1 and T3 for Op group (p < 0.01) and at T3 for FT group (p < 0.05). TBUT showed a decrease between T0 and T1 for FT (p < 0.05). Schirmer 1 values increased significantly for Op in T1. Conclusions Op was superior to FT in regard to pain, osmolarity, TBUT, and Schirmer 1. Osmoprotectant solutes, such as L-carnitine, could attenuate inflammation and secondary DED. Osmoprotective lubricants can be effectively applied for the prevention of refractive surgery-related dry eye symptoms and signs.
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Singh A, Abd AJ, Al-Mashahedah A, Kanwar JR. Corneal Haze, Refractive Surgery, and Implications for Choroidal Neovascularization. DRUG DELIVERY FOR THE RETINA AND POSTERIOR SEGMENT DISEASE 2018:439-477. [DOI: 10.1007/978-3-319-95807-1_25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Peyman A, Dastborhan Z, Peyman M. Astigmatic treatment with photorefractive keratectomy: Investigations of non-keratometric ocular astigmatism. J Curr Ophthalmol 2017; 29:98-102. [PMID: 28626818 PMCID: PMC5463002 DOI: 10.1016/j.joco.2016.12.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 11/28/2016] [Accepted: 12/06/2016] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To evaluate the effect of non-keratometric ocular astigmatisms on visual and refractive outcomes after photorefractive keratectomy (PRK) for correction of myopic astigmatisms. METHODS Seventy one eyes of 36 subjects were enrolled in this study. Patients underwent PRK for treatment of myopia. Subjects were evaluated for refractive error, keratometry, and visual acuity before and six months after surgery. Pre- and post-op non-keratometric astigmatisms were calculated by vectorial analysis of the difference between the corneal plane refractive astigmatism and keratometric astigmatism. Astigmatic analysis explored the contribution of non-keratometric astigmatisms. RESULTS The pre-op spherical equivalent (SE) was -6.27 ± 1.48 with 1.16 ± 1.02 diopters of corneal plane refractive astigmatism and 1.44 ± 0.47 diopters keratometric astigmatism. Post-op values were -0.60 ± 0.85, 0.56 ± 0.47, and 1.06 ± 0.57, respectively, 6 months after surgery. Pre- and post-op non-keratometric astigmatisms were 0.76 ± 0.41 and 0.76 ± 0.46, respectively, (P = 0.976) with significant correlation (r = 0.37, P = 0.002). Pre-op non-keratometric astigmatisms correlated to the pre-op SE (r = -0.25, P = 0.04). Pre-op non-keratometric astigmatisms had significant correlation with keratometric difference vector of astigmatic correction (r = 0.369, P = 0.002). Post-op non-keratometric astigmatisms correlated to keratometric induced astigmatism (r = 0.334, P = 0.006), keratometric index of success (r = 0.571, P < 0.001), and post-op keratometric astigmatism (r = 0.736, P < 0.001). CONCLUSIONS Higher or lower non-keratometric ocular astigmatisms did not have any effect on refractive and visual outcome after PRK. PRK effectively corrected total refractive astigmatism through correction of keratometric astigmatism and additional adjustment to compensate for non-keratometric ocular astigmatisms.
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Affiliation(s)
- Alireza Peyman
- Department of Ophthalmology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zahra Dastborhan
- Department of Ophthalmology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammadreza Peyman
- Department of Ophthalmology, Faculty of Medicine Building, University of Malaya, Kuala Lumpur, Malaysia
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Zarei-Ghanavati S, Nosrat N, Morovatdar N, Abrishami M, Eghbali P. Efficacy of corneal cooling on postoperative pain management after photorefractive keratectomy: A contralateral eye randomized clinical trial. J Curr Ophthalmol 2017; 29:264-269. [PMID: 29270472 PMCID: PMC5735231 DOI: 10.1016/j.joco.2017.04.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 04/19/2017] [Accepted: 04/21/2017] [Indexed: 01/23/2023] Open
Abstract
Purpose To compare chilled and room temperature balanced salt solution (BSS) and bandage contact lens (BCL) on post photorefractive keratectomy (PRK) pain. Methods In a prospective, single-masked, controlled eye study, one hundred eyes of fifty patients were divided into two groups which received room temperature or chilled BSS and BCL in each eye, and compared for post-PRK pain. Three different pain evaluation systems were used to evaluate pain between the groups at 1 and 6 h and days 1, 2, 3, 5, and 7, postoperatively. Results 15 patients were male (30%), and 35 were female (70%). The mean age was 29 ± 5 (20–40) y/o. The mean spherical equivalent (SE) of preoperative refractive error in both groups was not statistically significantly different (−4.18 ± 1.5 in chilled and −4.19 ± 1.7 in room-temperature groups, respectively; P = 0.94). The mean time of epithelial healing was 6.16 ± 1.7 (3–13) days in the chilled and 6.10 ± 1.59 (3–12) in the room temperature group (P = 0.32). Best corrected visual acuity (BCVA) at 1 month was 0.013 ± 0.03 (0–0.22) logarithm of the minimum angle of resolution (logMAR) in the chilled group and 0.014 ± 0.04 (0–0.22) logMAR in the room temperature group, postoperatively (P = 0.84). No statistically significant difference was found between the two groups by any of the three pain scoring systems. No clinically important corneal haziness was found in the groups during follow-up. Conclusion Chilled BSS and BCL do not seem to be superior to room temperature in reducing post-PRK pain.
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Affiliation(s)
| | - Nastaran Nosrat
- Eye Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Negar Morovatdar
- Clinical Research Unit, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mojtaba Abrishami
- Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Pardis Eghbali
- Eye Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Sobas EM, Videla S, Vázquez A, Fernández I, Maldonado MJ, Pastor JC. Pain perception description after advanced surface ablation. Clin Ophthalmol 2017; 11:647-655. [PMID: 28435216 PMCID: PMC5391165 DOI: 10.2147/opth.s134542] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Purpose The objective of this study was to characterize the evolution of ocular pain after advanced surface ablation (ASA) to improve strategies in postoperative pain management. Methods This was a multicenter, prospective, descriptive, cohort study. The inclusion criteria were healthy individuals ≥18 years old receiving bilateral alcohol-assisted surface ablation with epithelial removal. Pain intensity was evaluated with the visual analog scale (VAS) and the numeric pain rating scale before and after surgery. Comorbidities (photophobia, burning, tearing, and foreign body sensation) and Hospital Anxiety and Depression (HAD) questionnaire were evaluated before and at 6 hours after surgery. Postoperative treatments included cold patch, topical cold antibiotics, topical steroids, and benzodiazepines. Results Thirty-two consecutive patients having similar profiles of postoperative pain evolution were included. At 0.5 hour after ASA, the pain score by VAS was 37±20 mm, and the maximum pain, 61±31 mm, occurred at 24 hours. Afterward, it decreased progressively until 72 hours after surgery (19±20 mm). Most patients (81%) scored >60 mm, and 44% required rescue medication. Among the comorbidities, all patients had photophobia and 84% had burning sensation. At 6 hours, the HAD score was 5.4±3.9, within the range of values considered as normal. Conclusion Postoperative acute ocular pain after ASA showed a characteristic evolution over time. Recognition of the pattern could be important for improving the acceptance of ASA and for improving strategies in pain management in the postoperative period.
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Affiliation(s)
- Eva M Sobas
- Instituto Universitario de Oftalmobiología Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain.,Facultad de Enfermería, Universidad de Valladolid, Valladolid Spain
| | - Sebastián Videla
- Laboratorios Dr. Esteve S.A., Barcelona, Spain.,Department of Experimental and Health Sciences, Facultad de Ciencias de la Salud y de la Vida, Universidad Pompeu Fabra, Barcelona, Spain
| | - Amanda Vázquez
- Instituto Universitario de Oftalmobiología Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain
| | - Itziar Fernández
- Instituto Universitario de Oftalmobiología Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain.,Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Valladolid, Spain
| | - Miguel J Maldonado
- Instituto Universitario de Oftalmobiología Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain
| | - José-Carlos Pastor
- Instituto Universitario de Oftalmobiología Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain.,Department of Ophthalmology, Hospital Clínico Universitario, Valladolid, Spain.,Department of Surgery, Ophthalmology, Otorhinolaryngology and Physiotherapy, Facultad de Medicina, Universidad de Valladolid, Valladolid, Spain
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Die Verwendung von Lokalanästhetika in der Hornhautabschürfungs-Behandlung. SPEKTRUM DER AUGENHEILKUNDE 2017. [DOI: 10.1007/s00717-017-0330-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Sobas EM, Videla S, Maldonado MJ, Pastor JC. Ocular pain and discomfort after advanced surface ablation: an ignored complaint. Clin Ophthalmol 2015; 9:1625-32. [PMID: 26379419 PMCID: PMC4567230 DOI: 10.2147/opth.s86812] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Purpose Laser vision correction is one of the most commonly performed elective surgical procedures in ophthalmology. Generally, discomfort besides pain (photophobia, burning sensation, tearing, and foreign body sensation) after these procedures is not taken into consideration in the clinical practice. The objective is to provide data on these symptoms and their relevance after advanced surface ablation (ASA). Methods Single-center survey study based on a structured questionnaire relative to the patients’ perceived symptoms after ASA. Inclusion criteria were: ≥18 years old, no ocular disease, with myopia (0.75 to 9 D) or hyperopia (0.25 to 5 D) with or without astigmatism, receiving ASA on at least one eye. All procedures were performed by the same surgeon. A descriptive analysis was performed. Results Seventy-three consecutive patients (34 men and 39 women) were included in the study. The median (range) of age was 33 (19–64) years. Sixty-nine patients had surgery done on both eyes. Postoperative pain was the most frequent comorbidity (97% [95% confidence interval {CI}: 90–100]) with a median (range) of intensity (verbal numerical rating scale) score of 7 (2–10). Photophobia: 85% (95% CI: 75–92); burning sensation: 62% (95% CI: 50–73); tearing: 59% (95% CI: 47–70); and foreign body sensation: 48% (95% CI: 36–60) were also prevalent postoperative symptoms. Pain during ASA was reported for 44% (95% CI: 32–56) of patients. Conclusion Comorbidities such as pain, photophobia, burning sensation, tearing, and foreign body sensation are prevalent after ASA procedure. Postoperative pain should be taken into consideration due to its prevalence and intensity. A new and more efficient postoperative analgesic protocol should be established.
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Affiliation(s)
- Eva M Sobas
- Instituto Universitario de Oftalmobiologia Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain
| | - Sebastián Videla
- Laboratorios Dr Esteve S.A., Barcelona, Spain ; Department of Experimental and Health Sciences, Faculty of Health and Life Sciences, Universitat Pompeu Fabra, Barcelona, Spain
| | - Miguel J Maldonado
- Instituto Universitario de Oftalmobiologia Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain
| | - Jose C Pastor
- Instituto Universitario de Oftalmobiologia Aplicada (IOBA), Universidad de Valladolid, Valladolid, Spain ; Department of Ophthalmology, Hospital Clinico Universitario, Valladolid, Spain
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Tomás-Juan J, Murueta-Goyena Larrañaga A, Hanneken L. Corneal Regeneration After Photorefractive Keratectomy: A Review. JOURNAL OF OPTOMETRY 2015; 8:149-69. [PMID: 25444646 PMCID: PMC4502084 DOI: 10.1016/j.optom.2014.09.001] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Revised: 08/01/2014] [Indexed: 05/20/2023]
Abstract
Photorefractive keratectomy (PRK) remodels corneal stroma to compensate refractive errors. The removal of epithelium and the ablation of stroma provoke the disruption of corneal nerves and a release of several peptides from tears, epithelium, stroma and nerves. A myriad of cytokines, growth factors, and matrix metalloproteases participate in the process of corneal wound healing. Their balance will determine if reepithelization and stromal remodeling are appropriate. The final aim is to achieve corneal transparency for restoring corneal function, and a proper visual quality. Therefore, wound-healing response is critical for a successful refractive surgery. Our goal is to provide an overview into how corneal wounding develops following PRK. We will also review the influence of intraoperative application of mitomycin C, bandage contact lenses, anti-inflammatory and other drugs in preventing corneal haze and post-PRK pain.
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Affiliation(s)
- Javier Tomás-Juan
- Department of Visual Science, VallmedicVision International Eye Clinic, Andorra.
| | | | - Ludger Hanneken
- Department of Visual Science, VallmedicVision International Eye Clinic, Andorra
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Current trends in pain management after photorefractive and phototherapeutic keratectomy. Curr Opin Ophthalmol 2015; 26:255-9. [DOI: 10.1097/icu.0000000000000170] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Levitt AE, Galor A, Weiss JS, Felix ER, Martin ER, Patin DJ, Sarantopoulos KD, Levitt RC. Chronic dry eye symptoms after LASIK: parallels and lessons to be learned from other persistent post-operative pain disorders. Mol Pain 2015; 11:21. [PMID: 25896684 PMCID: PMC4411662 DOI: 10.1186/s12990-015-0020-7] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Accepted: 04/10/2015] [Indexed: 12/13/2022] Open
Abstract
Laser in-situ keratomileusis (LASIK) is a commonly performed surgical procedure used to correct refractive error. LASIK surgery involves cutting a corneal flap and ablating the stroma underneath, with known damage to corneal nerves. Despite this, the epidemiology of persistent pain and other long-term outcomes after LASIK surgery are not well understood. Available data suggest that approximately 20-55% of patients report persistent eye symptoms (generally regarded as at least 6 months post-operation) after LASIK surgery. While it was initially believed that these symptoms were caused by ocular surface dryness, and referred to as “dry eye,” it is now increasingly understood that corneal nerve damage produced by LASIK surgery resembles the pathologic neuroplasticity associated with other forms of persistent post-operative pain. In susceptible patients, these neuropathological changes, including peripheral sensitization, central sensitization, and altered descending modulation, may underlie certain persistent dry eye symptoms after LASIK surgery. This review will focus on the known epidemiology of symptoms after LASIK and discuss mechanisms of persistent post-op pain due to nerve injury that may be relevant to these patients. Potential preventative and treatment options based on approaches used for other forms of persistent post-op pain and their application to LASIK patients are also discussed. Finally, the concept of genetic susceptibility to post-LASIK ocular surface pain is presented.
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Affiliation(s)
- Alexandra E Levitt
- Bascom Palmer Eye Institute, University of Miami, 900 NW 17th Street, Miami, FL, 33136, USA.
| | - Anat Galor
- Bascom Palmer Eye Institute, University of Miami, 900 NW 17th Street, Miami, FL, 33136, USA. .,Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA.
| | - Jayne S Weiss
- Departments of Ophthalmology, Pathology and Pharmacology, Louisiana State University Health Sciences Center, Louisiana State University Eye Center, New Orleans, LA, USA.
| | - Elizabeth R Felix
- Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA. .,Department of Physical Medicine and Rehabilitation, University of Miami Miller School of Medicine, Miami, FL, USA.
| | - Eden R Martin
- John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL, USA. .,John T Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL, USA.
| | - Dennis J Patin
- Department of Anesthesiology, Perioperative Medicine and Pain Management, University of Miami Miller School of Medicine, Miami, FL, USA.
| | - Konstantinos D Sarantopoulos
- Department of Anesthesiology, Perioperative Medicine and Pain Management, University of Miami Miller School of Medicine, Miami, FL, USA.
| | - Roy C Levitt
- Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA. .,John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL, USA. .,John T Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL, USA. .,Department of Anesthesiology, Perioperative Medicine and Pain Management, University of Miami Miller School of Medicine, Miami, FL, USA.
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Aslanides IM, Selimis VD, Bessis NV, Georgoudis PN. A pharmacological modification of pain and epithelial healing in contemporary transepithelial all-surface laser ablation (ASLA). Clin Ophthalmol 2015; 9:685-90. [PMID: 25931809 PMCID: PMC4404873 DOI: 10.2147/opth.s81061] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Purpose We report our experience with the use of the matrix regenerating agent (RGTA) Cacicol® after reverse transepithelial all-surface laser ablation (ASLA)-SCHWIND to assess the safety, efficacy, pain, and epithelial healing. Methods Forty eyes of 20 myopic patients were prospectively recruited to a randomized fellow eye study. Patients underwent transepithelial ASLA in both eyes, with one of the eyes randomly assigned to the use of the RGTA Cacicol. Postoperative pain and vision were subjectively assessed with the use of a questionnaire on the operative day, at 24 hours, 48 hours and 72 hours. Epithelial defect area size was measured at 24 hours, 48 hours, and 72 hours. Uncorrected distance visual acuity (UDVA) and corrected distance visual acuity (CDVA) were assessed at 1 month. Results Mean UDVA at 1 month was LogMAR 0.028. The epithelial defect area was 10.91 mm2 and 13.28 mm2 at 24 hours and 1.39 mm2 and 1.24 mm2 at 48 hours for treated and nontreated eyes, respectively. Overall, 50% and 65% of treated and nontreated eyes healed by 48 hours. There was no statistically significant difference in the subjective vision between the groups, although vision of patients in the RGTA group was reported to be better. Pain scores were better at 24 hours and 48 hours in the RGTA group but with no statistically significant difference. Conclusion The use of RGTA Cacicol shows faster epithelial recovery after transepithelial ASLA for myopia. Subjectively reported scores of pain and subjective vision were better in the RGTA group, although the difference was not statistically significant. There seems to be a consensual acceleration of epithelial healing even in eyes that did not receive treatment. There were no adverse events and no incidents of inflammation, delayed healing, or haze.
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Yuksel E, Yalcin NG, Kilic G, Cubuk MO, Ozmen MC, Altay A, Çağlar K, Bilgihan K. Microbiologic Examination of Bandage Contact Lenses Used after Corneal Collagen Cross-linking Treatment. Ocul Immunol Inflamm 2015; 24:217-22. [PMID: 25760913 DOI: 10.3109/09273948.2014.1001518] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
PURPOSE To investigate the agents of bacterial contamination of contact lenses after corneal collagen cross-linking (CCL), and to present the possible changes of ocular flora after riboflavin/ultraviolet A. METHODS Seventy-two contact lenses of patients who underwent CCL and 41 contact lenses of patients who underwent photorefractive keratectomy (PRK) as control group were enrolled to the study. After 48 h of incubation, broth culture media was transferred to plates. Samples were accepted as positive if one or more colony-forming units were shown. RESULTS There were positive cultures in 12 (16.7%) contact lenses in the CCL group and 5 (12.2%) had positive cultures in PRK group. Coagulase-negative staphlycocci (CNS) were the most frequent microorganism. Alpha hemolytic streptococci and Diphteroid spp. were the other isolated microorganisms. CONCLUSIONS Bacterial colonization can occur during and early after the CCL procedure in epithelial healing. To prevent corneal infections after the treatment, prophylactic antibiotics should be prescribed.
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Affiliation(s)
- Erdem Yuksel
- a Department of Ophthalmology , Gazi University, School of Medicine , Ankara , Turkey and
| | - Nuriye Gokçen Yalcin
- a Department of Ophthalmology , Gazi University, School of Medicine , Ankara , Turkey and
| | - Gaye Kilic
- a Department of Ophthalmology , Gazi University, School of Medicine , Ankara , Turkey and
| | - Mehmet Ozgur Cubuk
- a Department of Ophthalmology , Gazi University, School of Medicine , Ankara , Turkey and
| | - Mehmet Cuneyt Ozmen
- a Department of Ophthalmology , Gazi University, School of Medicine , Ankara , Turkey and
| | - Aylin Altay
- b Department of Medical Microbiology , Gazi University, School of Medicine , Ankara , Turkey
| | - Kayhan Çağlar
- b Department of Medical Microbiology , Gazi University, School of Medicine , Ankara , Turkey
| | - Kamil Bilgihan
- a Department of Ophthalmology , Gazi University, School of Medicine , Ankara , Turkey and
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