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a comparative study of tear film analysis in refractive surgeries

a comparative study of tear film analysis in patients undergoing photorefractive keratectomy, sub bowmans keratomileusis and femtosecond assisted laser insitu keratomileusis

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2022/08/044678
Enrollment
63
Registered
2022-08-05
Start date
Unknown
Completion date
Unknown
Last updated
2024-03-04

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

Conditions

Health Condition 1: O- Medical and Surgical Health Condition 2: H188- Other specified disorders of cornea

Interventions

Intervention1: REFRACTIVE SURGERIES: Tear film analysis in done preoperatively , 1 week post operatively and 1 month post operatively in photo refractive keratectomy , sub bowmans keratomileusis and f

Sponsors

Sankara eye hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1-Subjects seeking refractive surgery between 20 to 40 y of age with refractive errors that had been stable for at least one year 2-with a spherical equivalent between -1.00 to -8.00 diopters and less than -4.00 cylindrical astigmatism 3-normal corneal topography 4-without other eye diseases.

Exclusion criteria

Exclusion criteria: 1-Patients unable to attend follow up visits 2-patients with previous eye surgery, or eye diseases that could alter the tear film 3-patients with systemic diseases and using drugs that could interfere with tear production

Design outcomes

Primary

MeasureTime frame
to analyze the effect of various refractive surgeries( PRK SBK AND FEMTO LASIK ) on tear filmTimepoint: pre operatively 1 week post operatively and 1 month post operatively

Secondary

MeasureTime frame
Tear film analysis among photorefractive keratectomy , sub bowmans laser insitu keratomileusis and femtosecond assisted laser insitu keratomileusis preoperatively and post operativelyTimepoint: pre operatively 1 week post operative and 4 weeks post operatively

Countries

India

Contacts

Public ContactDr Shashidhar B

SANKARA EYE HOSPITAL

shashi0528@gmail.com9440325143

Outcome results

None listed

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