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

Not Applicable

Completed

• Conditions: Health Condition 1: 8- Other Procedures

• Registration Number: CTRI/2016/09/007297
• Lead Sponsor: ethradhama Superspeciality Eye Hospita

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Completion: 2016-06-30
• Last Update Posted: 24 November 2021

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 25

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

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 .

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
to assess pre- operative and post- operative changes in Q values and aberrationsTimepoint: 15 days and 3 months after surgery

Secondary Outcome Measures

Name	Time	Method
nilTimepoint: nil