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Betz J, Behrens H, Harkness BM, Stutzman R, Chamberlain W, Blanco MP, Hegarty DM, Aicher SA, Galor A. Ocular Pain after Refractive Surgery: Interim Analysis of Frequency and Risk Factors. Ophthalmology 2023; 130:692-701. [PMID: 36809816 PMCID: PMC10293021 DOI: 10.1016/j.ophtha.2023.02.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/31/2023] [Accepted: 02/14/2023] [Indexed: 02/21/2023] Open
Abstract
PURPOSE To examine the frequency and risk factors for ocular pain after laser assisted in situ keratomileusis (LASIK) and photorefractive keratectomy (PRK). DESIGN Prospective study of individuals undergoing refractive surgery at 2 different centers. PARTICIPANTS One hundred nine individuals undergoing refractive surgery: 87% LASIK and 13% PRK. METHODS Participants rated ocular pain on a numerical rating scale (NRS) of 0 to 10 before surgery and 1 day, 3 months, and 6 months after surgery. A clinical examination focused on ocular surface health was performed 3 and 6 months after surgery. Persistent ocular pain was defined as an NRS score of 3 or more at both 3 and 6 months after surgery (patients), and this group was compared with individuals with NRS scores of < 3 at both time points (control participants). MAIN OUTCOME MEASURES Individuals with persistent ocular pain after refractive surgery. RESULTS The 109 patients who underwent refractive surgery were followed up for 6 months after surgery. Mean age was 34 ± 8 years (range, 23-57 years); 62% self-identified as female, 81% as White, and 33% as Hispanic. Eight patients (7%) reported ocular pain (NRS score ≥ 3) before surgery, with the frequency of ocular pain increasing after surgery to 23% (n = 25) at 3 months and 24% (n = 26) at 6 months. Twelve patients (11%) reported an NRS score of 3 or more at both time points and constituted the persistent pain group. Factors that predicted persistent pain after surgery in a multivariable analysis were (1) ocular pain before surgery predicated persistent pain after surgery (odds ratio [OR], 1.87; 95% confidence interval [CI], 1.06-3.31), (2) symptom report of depression before surgery (Patient Health Questionnaire-9: OR, 1.3; 95% CI, 1.1-1.6; P = 0.01), (3) use of an oral antiallergy medication before surgery (OR, 13.6; 95% CI, 2.1-89.3; P = 0.007), and (4) pain intensity day 1 after surgery (OR, 1.6; 95% CI, 1.2-2.2; P = 0.005). There were no significant associations between ocular surface signs of tear dysfunction and ocular pain, P > 0.05 for all ocular surface signs. Most individuals (> 90%) were completely or somewhat satisfied with their vision at 3 and 6 months. CONCLUSIONS Eleven percent of individuals reported persistent ocular pain after refractive surgery, with several preoperative and perioperative factors predicting pain after surgery. FINANCIAL DISCLOSURE(S) Proprietary or commercial disclosure may be found after the references.
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Affiliation(s)
- Jason Betz
- Bascom Palmer Eye Institute, University of Miami, Miami, Florida; Surgical Services, Miami Veterans Administration Medical Center, Miami, Florida
| | - Hannah Behrens
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University, Portland, Oregon
| | - Brooke M Harkness
- Casey Eye Institute, Oregon Health & Science University, Portland, Oregon
| | - Richard Stutzman
- Casey Eye Institute, Oregon Health & Science University, Portland, Oregon
| | | | | | - Deborah M Hegarty
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University, Portland, Oregon
| | - Sue A Aicher
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University, Portland, Oregon
| | - Anat Galor
- Bascom Palmer Eye Institute, University of Miami, Miami, Florida; Surgical Services, Miami Veterans Administration Medical Center, Miami, Florida.
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Cinar E, Yuce B, Aslan F, Erbakan G. Neuroprotective Effect of Citicoline Eye Drops on Corneal Sensitivity After LASIK. J Refract Surg 2020; 35:764-770. [PMID: 31830292 DOI: 10.3928/1081597x-20191021-01] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 10/21/2019] [Indexed: 11/20/2022]
Abstract
PURPOSE To evaluate the accelerator role of a topically administered neuroprotective eye drop (citicoline) on the recovery of corneal sensitivity after laser in situ keratomileusis (LASIK). METHODS In this prospective, controlled study, 78 eyes of 78 patients (mean age: 26.8 ± 7.6 years) were enrolled in the study group and their eyes were treated with topical citicoline three times a day for 1 month postoperatively. Seventy-eight eyes of 78 patients (mean age: 26.1 ± 7.4 years) were randomly selected as the control group and their eyes were treated with lubricant hyaluronic acid (0.15%) eye drops three times a day for 1 month. Corneal sensitivity was assessed in both groups using a Cochet-Bonnet esthesiometer at baseline and 1, 2, 3, 4, 6, 8, and 12 weeks after the LASIK procedure. RESULTS Corneal sensitivity at 1, 2, 3, 4, and 6 weeks after LASIK was significantly better in the citicoline group than the control group (P < .05 for all). Differences between the groups at 8 and 12 weeks after LASIK were not significant (P > .05). CONCLUSIONS Topically administered citicoline eye drops had beneficial effects in the early recovery of corneal sensitivity during the first 6 weeks after LASIK, suggesting that citicoline may play a significant role in accelerating corneal reinnervation. [J Refract Surg. 2019;35(12):764-770.].
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Bandeira F, Yusoff NZ, Yam GHF, Mehta JS. Corneal re-innervation following refractive surgery treatments. Neural Regen Res 2019; 14:557-565. [PMID: 30632489 PMCID: PMC6352585 DOI: 10.4103/1673-5374.247421] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Laser refractive surgery is one of the most performed surgical procedures in the world. Although regarded safe and efficient, it has side effects. All of the laser based refractive surgical procedures invoke corneal nerve injury to some degree. The impact of this denervation can range from mild discomfort to neurotrophic corneas. Currently, three techniques are widely used for laser vision correction: small incision lenticule extraction, laser-assisted keratomileusis in situ and photorefractive keratotomy. Each of these techniques affects corneal innervation differently and has a different pattern of nerve regeneration. The purpose of this review is to summarize the different underlying mechanisms for corneal nerve injury and compare the different patterns of corneal reinnervation.
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Affiliation(s)
- Francisco Bandeira
- Tissue Engineering and Stem Cell Group, Singapore Eye Research Institute, Singapore; Federal University of São Paulo, Sao Paulo; São Gonçalo Eye Hospital, São Gonçalo, Brazil
| | - Nur Zahira Yusoff
- Tissue Engineering and Stem Cell Group, Singapore Eye Research Institute, Singapore
| | - Gary Hin-Fai Yam
- Tissue Engineering and Stem Cell Group, Singapore Eye Research Institute; Eye-ACP, Duke-NUS Graduate Medical School, Singapore
| | - Jodhbir Singh Mehta
- Tissue Engineering and Stem Cell Group, Singapore Eye Research Institute; Eye-ACP, Duke-NUS Graduate Medical School; Department of Ophthalmology, Yong Loo Lin School of Medicine, National University of Singapore; Singapore National Eye Centre; School of Material Science and Engineering, Nanyang Technological University, Singapore
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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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