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A study to know the changes in the shape and light scattering by the transparent portion of the eye (Cornea) before and after LASER surgery in people above 40years of age

A study of pre- operative and post- operative aberrations and Q- value in presbyopes following LASER Blended Vision correction

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2016/09/007297
Enrollment
25
Registered
2016-09-20
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: 8- Other Procedures

Interventions

None listed

Sponsors

Nethradhama Superspeciality Eye Hospita
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. All people between 40 - 55years of age. 2. Myopia upto - 8D or Hypermetropia upto +5D spherical equivalent and astigmatism up to 2D. 3. Stable distant refractive error at least for the previous 1 year.

Exclusion criteria

Exclusion criteria: 1. Age less than 40 years. 2. Evidence of lid diseases like meibomian gland dysfunction. 3. Anterior segment pathologies of the cornea like corneal dystrophy, corneal scars, keratitis,topographic evidence of keratoconus. Residual, recurrent or active ocular disease such as uveitis, severe dry eyes, severe allergic eye disease, glaucoma, visually significant cataract. 4. Retinal pathologies like diabetic retinopathy and retinal dystrophies. 5. Progressive or unstable myopia and/or irregular astigmatism. 6. Previous intraocular or corneal surgery. 7. Ocular medications being used like antiglaucoma medications. 8. Systemically immunocompromised .

Design outcomes

Primary

MeasureTime frame
to assess pre- operative and post- operative changes in Q values and aberrationsTimepoint: 15 days and 3 months after surgery

Secondary

MeasureTime frame
nilTimepoint: nil

Countries

India

Contacts

Public ContactKeerthana Mogarala

NETHRADHAMA SUPER SPECIALITY EYE HOSPITAL

kmogarala@gmail.com9035184693

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026