Health Condition 1: H527- Unspecified disorder of refraction
Conditions
Interventions
Intervention1: Nil: Nil
Sponsors
Nethradhama superspeciality eye hospital
Eligibility
Inclusion criteria
Inclusion criteria: All patients with UCVA 6/4 or better. All patients with BCVA 6/4 or better. Patients with 6/4 or better vision status post corneal refractive procedure.
Exclusion criteria
Exclusion criteria: Any ocular pathology (keratoconus, corneal scars, cataract, glaucoma, retinal disease) Prior cataract surgery Contact lens wear within the last 48 hours (soft) / 2 weeks (RGP) Systemic diseases affecting the eye Poor fixation, inability to perform iTrace scan Pupillary abnormality Dry eyes or ocular surface diseases
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Mean and distribution of total, corneal, and internal HOA RMS values in super-normal vision eyes.Timepoint: Mean and distribution of total, corneal, and internal HOA RMS values in super-normal vision eyes. | — |
Secondary
| Measure | Time frame |
|---|---|
| Relationship between individual HOAs and UCVA (correlation analysis). Differences in HOA patterns across refractive groups. Proportion of subjects with favorable HOA profiles (e.g., negative spherical aberration). Timepoint: | — |
Countries
India
Contacts
Public ContactDR SAVIO PERERIA
Nethradhama superspeciality eye hospital
Outcome results
None listed