Health Condition 1: H542- Low vision, both eyes
Conditions
Interventions
Intervention1: Small Incision Lenticule Extraction surgery: VisuMax 800.
This is a laser based surgery done to correct myopia.
It will be done in both the groups greater than and less than 6 D myopia
Sponsors
Maulana Azad Medical College
Eligibility
Inclusion criteria
Inclusion criteria: Age more than 18 years Stable refraction for 1 year prior to surgery Minimum preoperative corneal thickness of 480 microns Predicted residual stromal bed thickness morethan 280 microns Patients wearing soft contact lenses will be instructed to stop wearing them for at least 1 week
Exclusion criteria
Exclusion criteria: Patients with history of trauma , prior ocular surgery or corneal scars Keratoconus/ectatic corneal disorders Pregnancy or Lactation History of herpes keratitis Uncontrolled Glaucoma
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Proportional change in uncorrected visual acuity(UCVA)Timepoint: 3 months | — |
Secondary
| Measure | Time frame |
|---|---|
| 1) Proportional change in best corrected visual acuity(BCVA) at 3 months 2) Proportion of patients with Residual refractive error (spherical equivalent) at 3 months 3) Proportional change in Higher order aberrations of the total, anterior and posterior cornea surface at 6mm pupil size at 3 months(RMS, 3RD and 4th order HOA s) 4) Mean change in corneal densitometry of 0-2, 2-6 and 6-10mm concentric optical zones at 1 month and 3 months Timepoint: 3 months | — |
Countries
India
Contacts
Public ContactKapil Chalana
Guru Nanak Eye Centre
Outcome results
None listed