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Gomel N, Shemesh N, Sorkin N, Levinger N, Levinger S, Hirsch A, Achiron A, Levinger E. Postoperative Pain Comparison Between Alcohol-Assisted and Transepithelial Photorefractive Keratectomy Using Nepafenac Treatment: A Novel Study. Ophthalmol Ther 2024:10.1007/s40123-024-01040-8. [PMID: 39363130 DOI: 10.1007/s40123-024-01040-8] [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: 08/04/2024] [Accepted: 09/16/2024] [Indexed: 10/05/2024] Open
Abstract
INTRODUCTION The study aimed to compare postoperative pain between alcohol-assisted and transepithelial photorefractive keratectomy in patients who received the novel analgesic preoperative nepafenac treatment 2 days preoperatively and 3 days postoperatively. Pain, stinging, tearing, light sensitivity, and stress levels were evaluated. METHODS The study included a retrospective analysis of 55 patients divided into two groups: bilateral alcohol-assisted photorefractive keratectomy (aa-PRK) and transepithelial photorefractive keratectomy (transepithelial-PRK). Nepafenac was administered for pain control for all patients, with patients receiving four drops for 2 days before the surgery and 3 days postoperatively per clinical instructions. Patients completed questionnaires on the day of the surgery and for the first 5 days postoperatively. Statistical analysis was performed using XLSTAT (version 2023.1.2). t-Test was used to analyze and compare pain and symptom levels and Fisher's exact test for categorical data. p-Values less than 0.05 were considered statistically significant. RESULTS The study examined 55 patients (49% female) with a mean age of 25.11 ± 6.81 years who had undergone bilateral surface refractive surgery to correct myopic errors. The mean baseline standard error (SE) was -3.16 ± 2.20 D. Among these patients, 27 patients underwent aa-PRK and 28 patients underwent transepithelial-PRK. Higher levels of pain were significant in the aa-PRK group (p = 0.003). However, there was no significant difference between the groups in the average levels of stinging, tearing, or light sensation. Additionally, stress levels decreased over time in both groups, with levels becoming almost equal after 5 days, and there was no significant difference in the average stress levels between the two groups. CONCLUSIONS The study found that patients who underwent the transepithelial-PRK procedure had significantly lower pain levels compared with those who underwent aa-PRK after being treated with nepafenac per protocol. However, there was no significant difference between the two groups in terms of stinging, tearing, light sensation, and stress levels.
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Affiliation(s)
- Nir Gomel
- Department of Ophthalmology, Tel Aviv Medical Center and Sackler Faculty of Medicine, Tel Aviv University, 6423906, Tel Aviv, Israel.
| | - Nadav Shemesh
- Department of Ophthalmology, Tel Aviv Medical Center and Sackler Faculty of Medicine, Tel Aviv University, 6423906, Tel Aviv, Israel
- The Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Nir Sorkin
- Department of Ophthalmology, Tel Aviv Medical Center and Sackler Faculty of Medicine, Tel Aviv University, 6423906, Tel Aviv, Israel
| | | | | | | | - Asaf Achiron
- Department of Ophthalmology, Tel Aviv Medical Center and Sackler Faculty of Medicine, Tel Aviv University, 6423906, Tel Aviv, Israel
- Enaim Medical Center, Tel-Aviv, Israel
| | - Eliya Levinger
- Department of Ophthalmology, Tel Aviv Medical Center and Sackler Faculty of Medicine, Tel Aviv University, 6423906, Tel Aviv, Israel
- Enaim Medical Center, Tel-Aviv, Israel
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Sedaghat MR, Sadeghi J, Varshovi-Jaghargh I, Heravian J, Belin MW, Momeni-Moghaddam H. Effect of Astigmatism Treatment With Three Excimer Lasers After Photorefractive Keratectomy. Eye Contact Lens 2024; 50:401-405. [PMID: 38978191 DOI: 10.1097/icl.0000000000001113] [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: 06/02/2024] [Indexed: 07/10/2024]
Abstract
OBJECTIVES To compare astigmatism correction after photorefractive keratectomy (PRK) using three excimer laser devices, Alcon Wavelight EX500, Schwind Amaris 1,050, and Technolas Teneo317 M2. METHODS This retrospective study included 414 eyes from 414 subjects with a history of PRK performed using Alcon Wavelight (n=172), Schwind Amaris (n=122), and Technolas (n=120). Uncorrected & corrected distance visual acuity (UDVA & CDVA), and refractive status (spherical equivalent (SE) and vector analysis (J0 and J45)) were postoperatively recorded at the 6-month and 12-month examinations. RESULTS The mean CDVA and J45 at 6-month and 12-month showed no statistically significant difference among the three different excimer lasers ( P >0.05). There was a statistically significant difference in mean UDVA and J0 at 6-month and 12-month after PRK among the three groups, with no statistically significant difference between Alcon Wavelight and Schwind Amaris lasers, while both of the prior lasers showed a significant difference with the Technolas laser. The highest and lowest changes in the magnitude of J0 in 6-month and 12-month follow-ups were seen for the Alcon Wavelight and Technolas groups, respectively. Both Schwind Amaris and Technolas had a small hyperopic SE while the Alcon Wavelight's SE was minimally myopic. This difference in SE between Alcon Wavelight and both Schwind Amaris and Technolas reached statistical significance. CONCLUSION While all three lasers performed well in reducing preoperative astigmatism; however, the Alcon Wavelight and Schwind Amaris were more effective in correcting astigmatism than the Technolas. The difference between the Alcon Wavelight and Schwind Amaris did not reach statistical significance.
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Affiliation(s)
- Mohammad-Reza Sedaghat
- Eye Research Center (M.-R.S., J.S.), Mashhad University of Medical Sciences, Mashhad, Iran; Department of Optometry (I.V.-J., J.H.), School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran; Refractive Error Research Centre (J.H.), Mashhad University of Medical Sciences, Mashhad, Iran; University of Arizona (M.W.B.), Department of Ophthalmology & Vision Science, Tucson, AZ; and Rehabilitation Sciences Research Center (H.M.-M.), Zahedan University of Medical Sciences, Zahedan, Iran
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Zhao D, Yuan Z, Yang XY, Zhou CY. Comparison of Objective Visual Quality Following SMILE and SmartPulse Technology-Assisted TransPRK at a 1,050-Hz Ablation Frequency for Moderate-to-High Myopia. J Refract Surg 2024; 40:e490-e498. [PMID: 39007811 DOI: 10.3928/1081597x-20240514-01] [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: 07/16/2024]
Abstract
PURPOSE To compare the objective visual quality of moderate-to-high myopia corrected by small incision lenticule extraction (SMILE) and transepithelial photorefractive keratectomy (TransPRK) at a 1,050-Hz ablation frequency, assisted by Smart-Pulse technology (SCHWIND eye-tech-solutions). METHODS This study involved 123 patients (123 eyes) with moderate-to-high myopia between July 2020 and January 2021. They were categorized into the SMILE group (67 patients, 67 eyes) and the TransPRK group (56 patients, 56 eyes). Follow-ups were conducted at 6 months postoperatively to record the logarithm of the minimum angle of resolution visual acuity, and the Strehl ratio and higher order aberrations were measured using the Sirius anterior segment analysis device (SCHWIND eye-tech-solutions) under a 6-mm pupil diameter at various postoperative intervals. RESULTS At 1 week and 1 month postoperatively, the uncorrected distance visual acuity (UDVA) in the SMILE group was superior to that in the TransPRK group (P < .05 for both). At 1 week and 1 month postoperatively, the Strehl ratio value in the SMILE group was higher than that in the TransPRK group (P < .05 for both). At 1, 3, and 6 months postoperatively, coma was greater in the SMILE group than in the TransPRK group (P < .05 for all). Spherical aberrations were lower in the SMILE group than in the TransPRK group at 3 and 6 months postoperatively (P < .05). At 6 months postoperatively, UDVA was -0.09 ± 0.08 and -0.11 ± 0.05 logMAR in the SMILE and TransPRK groups, respectively, which exceeded their preoperative corrected distance visual acuity of -0.05 ± 0.04 and -0.09 ± 0.08 logMAR (all P < .001). Compared with preoperative values, the Strehl ratio, total higher order, coma, and spherical aberration differences were significantly increased postoperatively in both groups (all P < .001). CONCLUSIONS Both surgical methods improved UDVA and each had its advantages. The visual quality of SMILE was superior at 1 week and 1 month postoperatively (Strehl ratio values were higher than those of the TransPRK group), and its spherical aberration was lower than that of the TransPRK group at 3 and 6 months; TransPRK with SmartPulse technology with a 1,050-Hz ablation frequency showed that coma was significantly lower than that of the SMILE group at 1, 3, and 6 months postoperatively. [J Refract Surg. 2024;40(7):e490-e498.].
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Levinger E, Arnon R, Pikkel J, Yahalomi T, Sela T, Munzer G, Mimouni M. Photorefractive keratectomy in flat, normal, and steep corneas. J Cataract Refract Surg 2024; 50:51-56. [PMID: 38048136 DOI: 10.1097/j.jcrs.0000000000001307] [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: 06/20/2023] [Accepted: 08/31/2023] [Indexed: 12/05/2023]
Abstract
PURPOSE To compare photorefractive keratectomy (PRK) outcomes in patients with different corneal steepness. SETTING Care-Vision Laser Center, Tel-Aviv, Israel. DESIGN Retrospective comparative chart review. METHODS Patients included in this study underwent wavefront optimized myopic PRK between January 2013 and December 2019. Patients were divided into 3 groups based on the steepness of the cornea (steep keratometry) (flat: <42 diopters [D], normal: 42 to 46 D and steep: >46 D). One to one matching was performed to verify that baseline parameters (age, preoperative visual acuity and refractive error) were similar between groups. Primary outcome measures were: postoperative corrected/uncorrected distance visual acuity (CDVA/UDVA), efficacy index (postoperative UDVA/preoperative CDVA), safety index (postoperative CDVA/preoperative CDVA), spherical equivalence (SEQ) and cylinder. RESULTS After matching, 650 eyes were included in each group, which were similar in baseline parameters. There were no significant postoperative differences between flat, normal, and steep corneas in terms of safety index (1.02 vs 1.03 vs 1.03, P = .28), efficacy index (1.01 vs 1.01 vs 1.02, P = .57), logMAR CDVA (0.01 vs 0.02 vs 0.01, P = .76), logMAR UDVA (0.02 vs 0.03 vs 0.02, P = .68), %SEQ within 0.50 D (73.9% vs 74.2% vs 74.6%, P = .95) or 1.00 D of target (91.9% vs 92.5% vs 92.2%, P = .92), %cylinder within 0.50 D (82.8% vs 82.2% vs 81.4%, P = .81) or 1.00 D of target (96.9% vs 97.1% vs 97.2%, P = .95). CONCLUSIONS No significant differences were found between flat, normal and steep corneas following wavefront-optimized myopic PRK. Thus, this procedure may be safely and effectively performed in both flat and steep corneas.
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Affiliation(s)
- Eliya Levinger
- From the Department of Ophthalmology, Tel Aviv Medical Center affiliated with the Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel (Levinger); Department of Ophthalmology, Assuta-Samson Ashdod Hospital affiliated with the Faculty of Medicine, Ben Gurion University, Beer-Sheva, Israel (Arnon, Pikkel, Yahalomi); Department of Ophthalmology, Rambam Health Care Campus, Haifa, Israel (Mimouni); Bruce and Ruth Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel (Mimouni); Care-Vision Laser Centers, Tel-Aviv, Israel (Sela, Munzer, Mimouni)
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Weng TH, Chang YM, Lin FH, Weng ZX, Wang TW, Chen YH, Tai MC, Chen JT, Liang CM, Lin TY. Investigation of corneal epithelial thickness and irregularity by optical coherence tomography after transepithelial photorefractive keratectomy. Clin Exp Optom 2024; 107:23-31. [PMID: 37078178 DOI: 10.1080/08164622.2023.2197107] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 03/23/2023] [Indexed: 04/21/2023] Open
Abstract
CLINICAL RELEVANCE Corneal epithelial healing after refractive surgery is a clinically significant issue, especially for surface ablation procedures, and this can be monitored using optical coherence tomography (OCT). BACKGROUND The aim of this work is to investigate the corneal epithelial thickness and irregularity by OCT after transepithelial photorefractive keratectomy (t-PRK) and analyse its correlation with visual and refractive outcomes. METHODS Patients aged ≥18 years with myopia, with or without astigmatism, who underwent t-PRK between May 2020 and August 2021 were included. All participants were subjected to complete ophthalmic examinations and OCT pachymetry at every follow-up visit. Patients were followed up at 1 week and 1, 3, and 6 months postoperatively. RESULTS A total of 67 patients (126 eyes) were enrolled in this study. One month postoperatively, spherical equivalent refraction and visual acuity achieved preliminary stability. However, central corneal epithelial thickness (CCET) and standard deviation of the corneal epithelial thickness (SDcet) took 3-6 months to progressive recovery. Patients with higher baseline spherical equivalent refraction were associated with slower epithelial recovery. At every follow-up time point, a significant superior-inferior difference in the minimum corneal epithelial thickness area was observed. Higher stromal haze was correlated with higher spherical equivalent refraction (both baseline and residual) but had no relation with visual outcomes. There was a significant correlation between higher CCET with a better uncorrected distance visual acuity and lower corneal epithelial thickness irregularity. CONCLUSIONS CCET and SDcet measured by OCT seem to be a good auxiliary indicator for reflecting the status of corneal wound recovery after t-PRK surgery. However, a well-designed randomised control study is needed to confirm the study results.
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Affiliation(s)
- Tzu-Heng Weng
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
- School of Medicine, National Defense Medical Center, Taipei City, Taiwan
| | - Yu-Min Chang
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
- School of Medicine, National Defense Medical Center, Taipei City, Taiwan
| | - Fu-Huang Lin
- School of Public Health, National Defense Medical Center, Taipei City, Taiwan
| | - Zi-Xuan Weng
- School of Public Health, National Defense Medical Center, Taipei City, Taiwan
| | - Tai-Wen Wang
- School of Public Health, National Defense Medical Center, Taipei City, Taiwan
| | - Yi-Hao Chen
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
- School of Medicine, National Defense Medical Center, Taipei City, Taiwan
| | - Ming-Cheng Tai
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
- School of Medicine, National Defense Medical Center, Taipei City, Taiwan
| | - Jiann-Torng Chen
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
- School of Medicine, National Defense Medical Center, Taipei City, Taiwan
| | - Chang-Min Liang
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
- School of Medicine, National Defense Medical Center, Taipei City, Taiwan
| | - Ting-Yi Lin
- Department of Ophthalmology, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
- School of Medicine, National Defense Medical Center, Taipei City, Taiwan
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Transepithelial Photorefractive Keratectomy Compared to Conventional Photorefractive Keratectomy: A Meta-Analysis. J Ophthalmol 2022; 2022:3022672. [PMID: 36051276 PMCID: PMC9427238 DOI: 10.1155/2022/3022672] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 07/30/2022] [Indexed: 12/01/2022] Open
Abstract
This meta-analysis review compares the primary and secondary outcomes of transepithelial photorefractive keratectomy (TPRK) to the conventional photorefractive keratectomy (PRK), in terms of efficacy, predictability, safety, and patient perspectives. A total of 1711 eyes with PRK (811 eyes) and TPRK (900 eyes) from 12 studies were included through bibliographic searches. The main outcomes were efficacy, predictability, and safety parameters, and the secondary outcomes included visual and patient-reported parameters. The effect measures were weighted mean differences with 95% confidence intervals (CI) which were derived from the random-effects model of the meta-analysis to account for possible heterogeneity. TPRK procedure presents a comparable status in the main outcome and a very dominant significance in all the secondary outcomes in this meta-analysis. This study updates the evidence of the accuracy of TPRK procedure for surgical correction of all refractive errors and was deemed safer with less surgical time required and an early healing time.
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