Which published cohorts overlap my inputs?
This retrieves evidence from populations with overlapping reported ranges. It does not predict an individual outcome or assess candidacy.
Follow-upAll reported follow-upsProceduresSMILE
15 relevant study cohorts
9,017 observed eyes across matching follow-ups
Percentages are results a study reported for its own patients, not a prediction for you. Where a study measured an outcome more than once, the latest matching follow-up is shown. “Not reported” means the study did not publish that number; it does not mean zero.
What do these outcomes mean?Hide what these outcomes mean
Share of checked eyes that could see 20/20 or better without glasses or contact lenses after treatment.
Share of checked eyes that landed within half a diopter of the correction the study aimed for.
Share of checked eyes that landed within one diopter of the correction the study aimed for.
Share meeting that study’s definition of dry eye; questionnaires, tests and thresholds can differ.
Share reporting rings around lights under the questions and symptom threshold used by that study.
Share reporting uncomfortable or scattered brightness under the questions and threshold used by that study.
Share reporting rays or streaks around lights under the questions and threshold used by that study.
Share of checked eyes with postoperative corneal haze under the grading threshold and observation window used by that study. Transient and persistent haze are not interchangeable.
Share of treated eyes diagnosed with infectious keratitis during the study’s observation window. Case definitions and follow-up duration may differ.
Share of treated eyes diagnosed with postoperative endophthalmitis during the study’s observation window. Exact event counts and follow-up are essential for this rare serious event.
Share diagnosed with post-surgery corneal weakening during the period that study observed its patients.
Share whose dry-eye questionnaire score fell within the range that study defined as normal; this is not automatically the inverse of a dry-eye diagnosis rate.
A questionnaire score about dry-eye symptoms and their effect on daily life; lower scores generally mean fewer symptoms.
Seconds before the tear film starts to break apart after a blink; longer times generally indicate a more stable tear film.
Millimetres of wetting on a paper strip used to assess tear production; testing protocols can differ between studies.
A patient-reported dry-eye symptom score using the questionnaire selected by that study; scales are not interchangeable.
| Cohort | 20/20+ | ±0.50 D | ±1.00 D | Dry eye | Halos | Glare | Starbursts | Haze | Keratitis | Endophthalmitis | Ectasia |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SMILEIncidence of Ectasia After SMILE From a High-Volume Refractive Surgery Center in India (2021)6,619 eyes · At least 12 months · filter match | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | 0.15%10 of 6,619 eyes · reported at/by At least 12 months |
| SMILESmall-Incision Lenticule Extraction with Prophylactic Cross-Linking: A Systematic Review and Meta-Analysis (2026)730 eyes · 1 month · filter match | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILE · VisuMax Femtosecond LaserVisual outcomes 5 years after small incision lenticule extraction (SMILE), surgery on spherocylindrical myopia eyes, from 616 eyes (2018)616 eyes · 5 years · filter match | not reported | 92.0%Denominator not reported · reported at/by 5 years | not reported | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILEVisual outcomes for the initial 500 eyes treated with keratorefractive lenticule extraction for myopia and myopic astigmatism at a single site (2025)577 eyes · 12 months · filter match | 81.0%440 eyes assessed · reported at/by 12 months | 85.0%440 eyes assessed · reported at/by 12 months | 97.0%440 eyes assessed · reported at/by 12 months | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILE · VISUMAX 800Keratorefractive Lenticule Extraction for Myopia and Myopic Astigmatism With the VISUMAX 800 (2025)473 eyes · 6 months · filter match | 93.2%473 eyes assessed · reported at/by 6 months | 95.1%473 eyes assessed · reported at/by 6 months | 99.6%473 eyes assessed · reported at/by 6 months | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILEMyopic Regression After FS-LASIK and SMILE (2024)416 eyes · 3 months, 6 months, 9 months, 12 months, 18 months · filter match | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILE · VisuMax Femtosecond LaserFDA pivotal clinical study of SMILE with the VisuMax Femtosecond Laser (2016)336 eyes · 6 months, 12 months · filter match | 88.1%273 of 310 eyes · reported at/by 12 months | 93.9%291 of 310 eyes · reported at/by 12 months | 98.7%306 of 310 eyes · reported at/by 12 months | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILE · VisuMax Femtosecond LaserComparison of Persistent Postoperative Discomfort 1 Year after Keratorefractive Lenticule Extraction and Implantable Collamer Lens Implantation (2025)227 eyes · 1 year · filter match | not reported | not reported | not reported | not reported | 48.9%227 patients assessed · reported at/by 1 year | 50.2%227 patients assessed · reported at/by 1 year | not reported | not applicable | not reported | not applicable | not reported |
| SMILESmall incision lenticule extraction (SMILE) refractive surgery: Our initial experience (2022)202 eyes · 1 day, 1 week, 1 month, 3 months · filter match | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILE · VisuMax Femtosecond LaserSmall Incision Lenticule Extraction for Hyperopia: 12-Month Refractive and Visual Outcomes (2019)93 eyes · 12 months · filter match | not reported | 53.0%37 eyes assessed · reported at/by 12 months | not reported | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILE · VisuMax Femtosecond LaserRandomized Clinical Trial Comparing Femtosecond LASIK and Small-Incision Lenticule Extraction (2020)70 eyes · 3 months, 12 months · filter match | 85.0%70 eyes assessed · reported at/by 12 months | not reported | 99.0%70 eyes assessed · reported at/by 12 months | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILEComparison of visual and refractive outcomes following femtosecond laser-assisted LASIK with SMILE in patients with myopia or myopic astigmatism (2014)50 eyes · 1 day, 3 months · filter match | 84.0%42 of 50 eyes · reported at/by 3 months | not reported | not reported | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILEDry Eye Disease following Refractive Surgery: A 12-Month Follow-Up of SMILE versus FS-LASIK in High Myopia (2015)47 eyes · 1 month, 3 months, 6 months, 12 months · filter match | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILEComparison of dry eye and corneal sensitivity between small incision lenticule extraction and femtosecond LASIK for myopia (2013)38 eyes · 1 week, 1 month, 3 months, 6 months · filter match | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
| SMILE · VisuMax Femtosecond LaserTwo-Year Visual Outcomes of Evolution Implantable Collamer Lens and Small Incision Lenticule Extraction for the Correction of Low Myopia (2022)36 eyes · 2 years · filter match | not reported | 94.4%34 of 36 eyes · reported at/by 2 years | not reported | not reported | not reported | not reported | not reported | not applicable | not reported | not applicable | not reported |
Scroll sideways inside the table to see every outcome. “Not applicable” reflects the procedure type. Italic “not reported” means the publication did not provide that result; it does not mean zero events.