Health Condition 1: null- healthy individuals in presbyopic age group
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Subjects medically suitable for LASIK, 2. Presbyopic with corrected distant visual acuity(CDVA) no worse than 20/25 in either eye 3. Tolerance of at least -0.75 D anisometropia 4. Myopic patients with spherical equivalent (SE) refraction -8.50 D in both eyes 5. Hyperopic patients with SE upto +5.75 D in both eyes 6. Willing to accept a slight difference in vision between both eyes 8. Willing to use prescription corrective lenses to enhance vision to do precision tasks(reading small prints, needlework) 7. Soft contact lens discontinued for minimum 1 week and Rigid Gas Permeable contact lens discontinued for minimum 3 week 8.Ability to understand and willingness to sign informed consent and participate in follow up visits
Exclusion criteria
Exclusion criteria: 1.Eyes with dense amblyopia with BSCVA 2.Evidence of ocular diseases like severe meibomian gland diseases, herpetic keratitis, uvietis, glaucoma. 3.Visually significant cataract, retinal diseases like retinal dystrophies or diabetic retinopathy. 4.Corneal pathologies like corneal dystrophies , keratoconus, H/o corneal trauma or surgery within flap zone 5.Dry eye status-Schirmer’s I value less than 10 mm 6.Long term ocular medication like ß blockers. 7. Patients on systemic medication likely to affect wound healing like corticosteroids or antimetabolites. 8.H/o immunocompromised state or pregnancy or nursing mothers . 9.Patients with unrealistic expectations.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| improvement in uncorrected distance, intermediate and near visionTimepoint: day 1, day 15,3 months, and 6 months | — |
Secondary
| Measure | Time frame |
|---|---|
| aberrations, topography, contrast sensitivityTimepoint: day 15, 3 months, 6 months | — |
Countries
India
Contacts
Nethradhama Superspeciality Eye Hospital