Transepithelial Versus Conventional PRK: A Randomized Controlled Study (2025)
- Mean absolute prediction error
- 0.34 D
Study-specific comparison
Compare reviewed observations side by side
Each result remains attached to its own study, device, denominator, follow-up, and publication. No averages or head-to-head claims are created.
Surface ablation
TransPRK
7 matching study follow-ups
Transepithelial photorefractive keratectomy for myopia and myopic astigmatism (2025)
- Mean postoperative spherical equivalent
- -0.13 D
Transepithelial photorefractive keratectomy for myopia and myopic astigmatism (2025)
- Mean postoperative spherical equivalent
- -0.17 D
Transepithelial Versus Epithelium-off Photorefractive Keratectomy in High Compound Myopic Astigmatism (2024)
- Mean residual cylinder
- 0.51 D
- Residual cylinder within 0.50 D
- 76% denominator: 30 eyes
Transepithelial Photorefractive Keratectomy to Treat Mild Myopia (2021)
- Transient postoperative corneal haze
- 6% denominator: 84 eyes
- UDVA 20/20 or better
- 100% denominator: 42 patients
Single-Step Transepithelial PRK vs Alcohol-Assisted PRK in Myopia and Compound Myopic Astigmatism Correction (2016)
- UDVA 20/20 or better
- 97% denominator: 145 eyes
- Loss of 1 line of corrected visual acuity
- 13% denominator: 145 eyes
- Mean postoperative spherical equivalent
- -0.14 D
Single-Step Transepithelial ASLA (SCHWIND) With Mitomycin-C for the Correction of High Myopia: Long-Term Follow-Up (2015)
- MRSE within ±0.50 D
- 91.4% denominator: 41 eyes
- Mean postoperative spherical equivalent
- -0.1 D denominator: 41 eyes
- Mean uncorrected distance visual acuity
- 0 logMAR denominator: 41 eyes
Corneal laser
LASIK
29 matching study follow-ups
Incidence, severity, and predictors of early postoperative dry eye disease following femtosecond laser-assisted in situ keratomileusis (FS-LASIK): a short-term, single-center retrospective analysis (2026)
- Dry eye symptoms (OSDI ≥13)
- 25% denominator: 3000 patients
Incidence, severity, and predictors of early postoperative dry eye disease following femtosecond laser-assisted in situ keratomileusis (FS-LASIK): a short-term, single-center retrospective analysis (2026)
- Dry eye symptoms (OSDI ≥13)
- 38% denominator: 3000 patients
Incidence, severity, and predictors of early postoperative dry eye disease following femtosecond laser-assisted in situ keratomileusis (FS-LASIK): a short-term, single-center retrospective analysis (2026)
- Dry eye symptoms (OSDI ≥13)
- 15% denominator: 3000 patients
FDA pivotal clinical study of INNOVEYES LASIK with WaveLight EX500 (2025)
- UDVA 20/20 or better
- 92.3% denominator: 326 eyes
- MRSE within ±0.50 D
- 92% denominator: 326 eyes
- Refraction within ±1.00 D
- 98.5% denominator: 326 eyes
- Lost at least 2 lines of CDVA
- 0% denominator: 330 eyes
FDA pivotal clinical study of INNOVEYES LASIK with WaveLight EX500 (2025)
- UDVA 20/20 or better
- 91.5% denominator: 330 eyes
- MRSE within ±0.50 D
- 90.9% denominator: 330 eyes
- Refraction within ±1.00 D
- 98.2% denominator: 330 eyes
FDA pivotal clinical study of INNOVEYES LASIK with WaveLight EX500 (2025)
- UDVA 20/20 or better
- 94.4% denominator: 322 eyes
- MRSE within ±0.50 D
- 94.4% denominator: 322 eyes
- Refraction within ±1.00 D
- 99.7% denominator: 322 eyes
Myopic Regression After FS-LASIK and SMILE (2024)
- Spherical-equivalent regression from month 1
- -0.17 D denominator: 416 eyes
Myopic Regression After FS-LASIK and SMILE (2024)
- Spherical-equivalent regression from month 1
- -0.24 D denominator: 416 eyes
Myopic Regression After FS-LASIK and SMILE (2024)
- Spherical-equivalent regression from month 1
- -0.31 D denominator: 416 eyes
Myopic Regression After FS-LASIK and SMILE (2024)
- Spherical-equivalent regression from month 1
- -0.32 D denominator: 416 eyes
Myopic Regression After FS-LASIK and SMILE (2024)
- Spherical-equivalent regression from month 1
- -0.33 D denominator: 416 eyes
Randomized Clinical Trial Comparing Femtosecond LASIK and Small-Incision Lenticule Extraction (2020)
- UDVA 20/20 or better
- 87% denominator: 70 eyes
- Refraction within ±1.00 D
- 97% denominator: 70 eyes
- Efficacy index
- 0.99 score
- Safety index
- 1.1 score
Randomized Clinical Trial Comparing Femtosecond LASIK and Small-Incision Lenticule Extraction (2020)
- UDVA 20/20 or better
- 83% denominator: 70 eyes
- Refraction within ±1.00 D
- 99% denominator: 70 eyes
- Safety index
- 1.15 score
Incidence and Clinical Characteristics of Post LASIK Ectasia: A Review of over 30,000 LASIK Cases (2018)
- Post-LASIK corneal ectasia
- 0.03% denominator: 30167 eyes
Symptoms and Satisfaction of Patients in the Patient-Reported Outcomes With Laser In Situ Keratomileusis (PROWL) Studies (2017)
- Normal OSDI score
- 66%
Symptoms and Satisfaction of Patients in the Patient-Reported Outcomes With Laser In Situ Keratomileusis (PROWL) Studies (2017)
- Normal OSDI score
- 73%
Symptoms and Satisfaction of Patients in the Patient-Reported Outcomes With Laser In Situ Keratomileusis (PROWL) Studies (2017)
- Normal OSDI score
- 65%
Chronic dry eye in photorefractive keratectomy and laser in situ keratomileusis: Manifestations, incidence, and predictive factors (2015)
- Chronic dry-eye incidence
- 0.8%
Dry Eye Disease following Refractive Surgery: A 12-Month Follow-Up of SMILE versus FS-LASIK in High Myopia (2015)
- Tear breakup time
- 6.53 seconds denominator: 43 patients
- Salisbury Eye Evaluation Questionnaire dry-eye score
- 1.56 score denominator: 43 patients
Dry Eye Disease following Refractive Surgery: A 12-Month Follow-Up of SMILE versus FS-LASIK in High Myopia (2015)
- Tear breakup time
- 7.42 seconds denominator: 43 patients
- Salisbury Eye Evaluation Questionnaire dry-eye score
- 1.21 score denominator: 43 patients
Dry Eye Disease following Refractive Surgery: A 12-Month Follow-Up of SMILE versus FS-LASIK in High Myopia (2015)
- Tear breakup time
- 8.19 seconds denominator: 43 patients
- Salisbury Eye Evaluation Questionnaire dry-eye score
- 0.49 score denominator: 43 patients
Dry Eye Disease following Refractive Surgery: A 12-Month Follow-Up of SMILE versus FS-LASIK in High Myopia (2015)
- Tear breakup time
- 9.3 seconds denominator: 43 patients
- Salisbury Eye Evaluation Questionnaire dry-eye score
- 0.14 score denominator: 43 patients
Single-Step Transepithelial ASLA (SCHWIND) With Mitomycin-C for the Correction of High Myopia: Long-Term Follow-Up (2015)
- MRSE within ±0.50 D
- 83.9% denominator: 31 eyes
- Mean postoperative spherical equivalent
- -0.08 D denominator: 31 eyes
- Mean uncorrected distance visual acuity
- 0.05 logMAR denominator: 31 eyes
Comparison of visual and refractive outcomes following femtosecond laser-assisted LASIK with SMILE in patients with myopia or myopic astigmatism (2014)
- UDVA 20/20 or better
- 92% denominator: 50 eyes
Comparison of visual and refractive outcomes following femtosecond laser-assisted LASIK with SMILE in patients with myopia or myopic astigmatism (2014)
- UDVA 20/20 or better
- 84% denominator: 50 eyes
Comparison of dry eye and corneal sensitivity between small incision lenticule extraction and femtosecond LASIK for myopia (2013)
- Ocular Surface Disease Index
- 18.78 score denominator: 32 patients
- Tear breakup time
- 4.7 seconds denominator: 32 patients
- Schirmer I test without anesthesia
- 10 mm denominator: 32 patients
Comparison of dry eye and corneal sensitivity between small incision lenticule extraction and femtosecond LASIK for myopia (2013)
- Ocular Surface Disease Index
- 17.77 score denominator: 31 patients
- Tear breakup time
- 3.77 seconds denominator: 31 patients
- Schirmer I test without anesthesia
- 10.9 mm denominator: 31 patients
Comparison of dry eye and corneal sensitivity between small incision lenticule extraction and femtosecond LASIK for myopia (2013)
- Ocular Surface Disease Index
- 16.22 score denominator: 30 patients
- Tear breakup time
- 4.43 seconds denominator: 30 patients
- Schirmer I test without anesthesia
- 13.73 mm denominator: 30 patients
Comparison of dry eye and corneal sensitivity between small incision lenticule extraction and femtosecond LASIK for myopia (2013)
- Ocular Surface Disease Index
- 15.5 score denominator: 30 patients
- Tear breakup time
- 4.97 seconds denominator: 30 patients
- Schirmer I test without anesthesia
- 13.17 mm denominator: 30 patients