Health Condition 1: H521- Myopia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Myopia between -3.00DS and -8.00DS, astigmatism more than or equal to -0.75DC undergoing SMILE with Visumax 800. Stable refraction for more than 1 year Preoperative corrected distance visual acuity of 20/25 or better. Regular corneal topography and corneal astigmatism. Healthy ocular surface with stable tear film. Discontinuation of soft contact lenses for 1 week, and rigid contact lenses for 3 weeks prior to surgery.
Exclusion criteria
Exclusion criteria: Thin corneas Steep cornea Keratoconus suspects or frank keratoconus Mixed astigmatism Moderate to severe dry eye Socket/ globe/ lid anomalies Severe meibomian gland disease Severe atopy Contact lens overuse Patients on any systemic medications like iso-retinoic acid, hormonal preparation, OCPs, antidepressants Previous cornea based refractive surgeries.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| To validate the lenticule centration accuracy on the visual axis in myopic eyes treated with small incision lenticule extraction (SMILE) using Visumax 800 femtosecond laser (Carl Zeiss Meditec AG).Timepoint: on day 1, day 15 and 3 months | — |
Secondary
| Measure | Time frame |
|---|---|
| nilTimepoint: nil | — |
Countries
India
Contacts
Nethradhama superspeciality eye hospital