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Abdel-Radi M, Eldaly Z, Alattar S, Goda I. Preservative-Free Topical Anesthetic Unit-Dose Eye Drops for the Management of Postoperative Pain Following Photorefractive Keratectomy. Ophthalmol Ther 2023; 12:3025-3038. [PMID: 37665497 PMCID: PMC10640409 DOI: 10.1007/s40123-023-00791-0] [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: 06/15/2023] [Accepted: 08/04/2023] [Indexed: 09/05/2023] Open
Abstract
INTRODUCTION Ocular pain is a common complication following photorefractive keratectomy (PRK). The level of patient satisfaction with current pain control strategies is not high. This study aims to assess the efficacy and safety of a novel regimen of preservative-free oxybuprocaine hydrochloride 0.4% unit-dose eye drops for post-PRK pain control. METHODS In a contralateral eye study, 144 eyes of 72 patients who underwent bilateral transepithelial PRK (TransPRK) were stratified into experimental and control groups. The experimental group received preservative-free oxybuprocaine hydrochloride 0.4% unit-dose eye drops five times daily postoperatively until complete epithelial healing, while the control group received sodium hyaluronate 0.2% instead. The main outcome measures were pain scores assessed by the verbal rating scale and visual analogue scale (VRS, VAS), the corneal epithelial defect (CED) area, epithelial healing duration evaluated by slit-lamp biomicroscopy and anterior segment optical coherence tomography (AS-OCT), and endothelial cell density (ECD) measured before and 1 month after surgery. RESULTS Pain scores assessed by VRS and VAS were significantly lower in the experimental group 8 h after surgery, and 1, 2, and 3 days postoperatively (P < 0.001). The mean CED area showed no significant differences between the two groups at different follow-ups (P value > 0.05). The corneal epithelial healing had a mean duration of 3.32 ± 0.47 days in both studied groups and was parallel in both eyes of each patient. In each group, 49 eyes (68%) and 72 eyes (100%) had a fully epithelialized surface on the third and fourth postoperative days, respectively. No significant changes were observed in the mean ECD 1 month following surgery in both groups (P value > 0.05). CONCLUSION Preservative-free oxybuprocaine hydrochloride 0.4% unit-dose eye drops are effective and safe in controlling early postoperative pain following TransPRK. The availability of the single-dose unit preparation can overcome the problem of topical anesthetic abuse. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT05733741.
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Affiliation(s)
- Mahmoud Abdel-Radi
- Department of Ophthalmology, Assiut University Hospital, Assiut University, 6th Floor, Asyût , 71516, Egypt.
| | - Zeiad Eldaly
- Department of Ophthalmology, Assiut University Hospital, Assiut University, 6th Floor, Asyût , 71516, Egypt
| | - Sara Alattar
- Department of Ophthalmology, Assiut University Hospital, Assiut University, 6th Floor, Asyût , 71516, Egypt
| | - Islam Goda
- Department of Ophthalmology, Assiut University Hospital, Assiut University, 6th Floor, Asyût , 71516, Egypt
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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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A Prospective, Randomized, Double-Masked Controlled Clinical Trial of Postoperative Pain after Transepithelial Photorefractive Keratectomy (Trans-PRK). JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:2718785. [PMID: 35494521 PMCID: PMC9050261 DOI: 10.1155/2022/2718785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/17/2022] [Accepted: 03/22/2022] [Indexed: 02/05/2023]
Abstract
Objective. To determine the effect of aqua astricta flushing on ocular pain after Trans-PRK. Method. Three hundred and seventy eyes from 185 myopic patients were prospectively recruited for the study. Patients underwent Trans-PRK in both eyes. Postsurgically, one eye from each patient was randomly assigned to the trial group, and refrigerated normal saline was used to rinse the eye. The contralateral eye was assigned to the control group, and room temperature normal saline was used to rinse the eye. The primary target was postoperative pain experienced at the end of surgery and on the first, second, and third days after surgery. Secondary targets were uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), manifest refractive spherical equivalent (MRSE), and haze. Results. Patient pain scores gradually decreased over time, and the difference between time points of all patients was statistically significant (
). Postoperative pain was not affected by patient cooperation, education level, refractive SE, optical zone, corneal bed, or cutting depth (
). The level of pain at the end of surgery was affected by intraoperative rinsing. The pain level of the aqua astricta group was lower than the normal temperature saline group, and the difference was statistically significant (
). Pain scores on the first, second, and third days after surgery were not affected by intraoperative rinse (
). Conclusion. Trans-PRK is an important means of corneal refractive surgery, but postoperative pain remains unavoidable. These findings suggest that the use of cooled fluid during surgery reduces postoperative pain at the end of surgery.
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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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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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Saluja G, Maharana PK. Cool Cross-Linking: Riboflavin at 4°C for Pain Management After Cross-Linking for Keratoconus Patients, a Randomized Clinical Trial. Cornea 2021; 40:e19. [PMID: 34176917 DOI: 10.1097/ico.0000000000002703] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Gunjan Saluja
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
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Fogla R, Luthra G, Chhabra A, Gupta K, Dalal R, Khamar P. Preferred practice patterns for photorefractive keratectomy surgery. Indian J Ophthalmol 2021; 68:2847-2855. [PMID: 33229660 PMCID: PMC7856967 DOI: 10.4103/ijo.ijo_2178_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Over the past two decades, excimer laser-based refractive surgery procedures have been successfully established for their safety and satisfactory visual outcomes. Surface ablation procedures or photorefractive keratectomy (PRK) are practised commonly for the correction of refractive errors including myopia, astigmatism and hyperopia. Satisfactory visual outcomes are achieved in majority of cases, although a very small percentage have issues related to corneal haze, regression, and its associated visual disturbances. To ensure optimal outcomes and to minimize complications, certain keys to success have been designed on the basis of the current review of literature on surface ablation procedures.
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Affiliation(s)
- Rajesh Fogla
- Senior Consultant, Cataract, Cornea and Laser Refractive Surgeon, Director Cornea Clinic, Apollo Hospitals, Hyderabad, Telangana, India
| | - Gaurav Luthra
- Cataract and Refractive Surgeon, Director, Drishti Eye Institute, Dehradun, Uttarakhand, India
| | - Aishwarya Chhabra
- Department of Cataract and Refractive Surgery, Narayana Nethralaya, Bangalore, Karnataka, India
| | - Krati Gupta
- Cornea and Refractive Surgery, Narayana Nethralaya, Bangalore, Karnataka, India
| | - Ritika Dalal
- Refractive Surgeon and Dry Eye Specialist, Dr Dalal's Clinic, Mumbai, Maharashtra, India
| | - Pooja Khamar
- Department of Cataract and Refractive Surgery, Narayana Nethralaya, Bangalore, Karnataka, India
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Jacobs DS, Carrasquillo KG, Cottrell PD, Fernández-Velázquez FJ, Gil-Cazorla R, Jalbert I, Pucker AD, Riccobono K, Robertson DM, Szczotka-Flynn L, Speedwell L, Stapleton F. CLEAR - Medical use of contact lenses. Cont Lens Anterior Eye 2021; 44:289-329. [PMID: 33775381 DOI: 10.1016/j.clae.2021.02.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 02/01/2021] [Indexed: 12/11/2022]
Abstract
The medical use of contact lenses is a solution for many complex ocular conditions, including high refractive error, irregular astigmatism, primary and secondary corneal ectasia, disfiguring disease, and ocular surface disease. The development of highly oxygen permeable soft and rigid materials has extended the suitability of contact lenses for such applications. There is consistent evidence that bandage soft contact lenses, particularly silicone hydrogel lenses, improve epithelial healing and reduce pain in persistent epithelial defects, after trauma or surgery, and in corneal dystrophies. Drug delivery applications of contact lens hold promise for improving topical therapy. Modern scleral lens practice has achieved great success for both visual rehabilitation and therapeutic applications, including those requiring retention of a tear reservoir or protection from an adverse environment. This report offers a practical and relevant summary of the current evidence for the medical use of contact lenses for all eye care professionals including optometrists, ophthalmologists, opticians, and orthoptists. Topics covered include indications for use in both acute and chronic conditions, lens selection, patient selection, wear and care regimens, and recommended aftercare schedules. Prevention, presentation, and management of complications of medical use are reviewed.
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Affiliation(s)
- Deborah S Jacobs
- Massachusetts Eye & Ear, Cornea and Refractive Surgery Service, Harvard Medical School, Boston, MA, USA.
| | | | | | | | | | | | | | | | | | - Loretta Szczotka-Flynn
- Department of Ophthalmology & Visual Science, Case Western Reserve University, Cleveland, OH, USA
| | - Lynne Speedwell
- Great Ormond Street Hospital for Children NHS Trust, Moorfields Eye Hospital, London, UK
| | - Fiona Stapleton
- School of Optometry and Vision Science, UNSW Sydney, Australia
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Toro-Giraldo L, Morales Flores N, Santana-Cruz O, Ramirez-Miranda A, Navas A, Olivo-Payne A, Lichtinger A, Jimenez-Corona A, Graue-Hernández EO. Cool Crosslinking: Riboflavin at 4°C for Pain Management After Crosslinking for Keratoconus Patients, A Randomized Clinical Trial. Cornea 2021; 40:1-4. [PMID: 33264161 DOI: 10.1097/ico.0000000000002484] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE To explore corneal cooling as a method of pain management in corneal-accelerated collagen cross-linking. METHODS This was a prospective and interventional randomized clinical trial registered in the National Institutes of Health Clinical Trials through the identifier NCT030760770. The research was conducted at the Institute of Ophthalmology "Conde de Valenciana." A total of 98 patients were randomly assigned to one of the following 2 groups: cold riboflavin (4°C) group or control group (riboflavin at room temperature). The inclusion criteria were patients of any sex, older than 18 years of age with keratoconus diagnosis who needed management with cross-linking in both eyes because of the evidence of progression. The exclusion criteria were patients who had cross-linking without epithelial debridement, unilateral cross-linking, or any other ocular pathologies besides keratoconus and any cognitive incapacity that would make the understanding of the pain test difficult. The main outcome measures were pain, tearing, photophobia, foreign body sensation, and irritation. RESULTS At 2 hours post-op, pain in the case and control groups was 3.80 ± 3.00 and 8.08 ± 2.21 (P < 0.05), tearing was 1.56 ± 1.96 and 8.29 ± 2.42 (P < 0.05), photophobia was 5.44 ± 3.57 and 7.83 ± 2.64 (P < 0.05), foreign body sensation was 2.20 ± 2.78 and 6.54 ± 2.73 (P < 0.05), and irritation was 3.48 ± 2.98 and 6.79 ± 3.00 (P < 0.05), respectively. A statistical significant difference was maintained in pain values on day 1 (2.79 ± 3.09 and 4.91 ± 3.27 [P < 0.05]), 2 (2.54 ± 2.41 and 4.00 ± 2.43 [P < 0.05]), and 4 (0.45 ± 0.76 and 1.22 ± 1.67 [P < 0.05]). CONCLUSIONS This study demonstrated that pain and associated symptoms decreased significantly in the riboflavin 4°C group.
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Affiliation(s)
- Laura Toro-Giraldo
- Department of Cornea, External Disease and Refractive Surgery, Institute of Ophthalmology "Conde de Valenciana," Mexico City, Mexico
| | - Norma Morales Flores
- Department of Cornea, External Disease and Refractive Surgery, Institute of Ophthalmology "Conde de Valenciana," Mexico City, Mexico
| | - Omar Santana-Cruz
- Department of Optometry, Institute of Ophthalmology "Conde de Valenciana," Mexico City, Mexico; and
| | - Arturo Ramirez-Miranda
- Department of Cornea, External Disease and Refractive Surgery, Institute of Ophthalmology "Conde de Valenciana," Mexico City, Mexico
| | - Alejandro Navas
- Department of Cornea, External Disease and Refractive Surgery, Institute of Ophthalmology "Conde de Valenciana," Mexico City, Mexico
| | - Andrew Olivo-Payne
- Department of Cornea, External Disease and Refractive Surgery, Institute of Ophthalmology "Conde de Valenciana," Mexico City, Mexico
| | - Alejandro Lichtinger
- Department of Cornea, External Disease and Refractive Surgery, Institute of Ophthalmology "Conde de Valenciana," Mexico City, Mexico
| | - Aida Jimenez-Corona
- Department of Ocular Epidemiology and Public Health, Institute of Ophthalmology "Conde de Valenciana," Mexico City, Mexico
| | - Enrique O Graue-Hernández
- Department of Cornea, External Disease and Refractive Surgery, Institute of Ophthalmology "Conde de Valenciana," Mexico City, Mexico
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