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Comparision of visual outcomes in patients following topography guided femtosecond laser-in-situ keratomileusis and small incision lenticule extraction

Comparison of visual outcomes in patients following topography-guided femtosecond laser-in-situ keratomileusis (CONTOURA) and small incision lenticule extraction (SMILE)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2020/12/029990
Enrollment
80
Registered
2020-12-23
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: H578- Other specified disorders of eye and adnexa

Interventions

Intervention1: Femtosecond Topography guided LASIK: The Alcon WaveLight Refractive Suite, specifically the FS200 femtosecond and EX500 excimer lasers (Alcon Laboratories, Inc., Fort Worth, TX), will b

Sponsors

L V Prasad Eye Institute
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1.Myopia from -2.00 to -10 D and myopic astigmatism up to 1.5 D 2.Age more than 21 years 3.Corneal thickness at the thinnest point >500 microns 4.Stable refractive error (Change 5.Discontinuation of contact lens for more than 2 weeks for soft contact lens and 3 weeks for rigid contact lens 6.No previous ocular surgery 7.Preoperative CDVA of atleast 20/25

Exclusion criteria

Exclusion criteria: 1.Any surgery related complications affecting the outcome 2.Amblyopia 3.History of corneal dystrophy, herpetic eye disease, topographic evidence of keratoconus, epithelial warpage from contact lens use, corneal scarring, glaucoma, severe dry eye and collagen vascular disease. 4.Any other ocular comorbities that may affect the outcome 5.Participation in any other clinical trial at the time of conduct of the study 6.Refusal to adhere to visit dates and study protocols

Design outcomes

Primary

MeasureTime frame
Visual AcuityTimepoint: day 1, 1st week, 1st month, and 3rd month.

Secondary

MeasureTime frame
Severity of dry eye Light Sensitivity Vision related quality of lifeTimepoint: 1 week, 1 month and 3 months

Countries

India

Contacts

Public ContactDrJagadesh Reddy

L V Prasad Eye Institute

jagadeshreddy@lvpei.org

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026