Health Condition 1: H521- Myopia
Conditions
Interventions
Intervention1: Nil: Nil
Intervention2: Nil: Nil
Intervention3: Nil: Nil
Sponsors
Sankara Eye Hospital
Eligibility
Inclusion criteria
Inclusion criteria: All the patients with Myopia of any degree undergoing Refractive surgery- PRK or LASIK, in both eyes
Exclusion criteria
Exclusion criteria: Subjects with strabismus, amblyopia, hyperopia Subjects undergoing refractive surgery in only one eye
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| To Study the changes in Binocular Vision Parameters before and after Refractive surgery - PRK and LASIK, over a period of 6 months. The following parameters will be assessed- 1.Refraction 2. Sensory Tests- Worth 4 dot test, Stereopsis 3.Motor Evaluation- Extraocular muscle movements, Cover test, Maddox Rod test 4) Tests for Accommodation- Accommodative convergence/ Accommodation, Near point of accommodation, Monocular Estimate Method, Accommodative Facility 5)Vergence - Negative Fusion Vergence, Positive Fusion Vergence, Near Point of Accommodation, Vergence FacilityTimepoint: Pre-operative evaluation Post-operative- PRK- post-operative Day 7, at 1 month, 3 months and 6 months LASIK- post-operative Day 1, post-operative day 7, at 1 month, 3 months and 6 months | — |
Secondary
| Measure | Time frame |
|---|---|
| To correlate binocular vision parameters and arrive at a risk stratification system.Timepoint: Correlate parameters pre-operatively and pot-operatively;To compare the binocular vision parameters between PRK and LASIK.Timepoint: Magnitude of change in parameters between both groups at 1 month, 3 months and 6 months. | — |
Countries
India
Contacts
Public ContactKAUSHIK MURALI
Sankara Eye Hospital
Outcome results
None listed