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STUDY OF ANTERIOR AND POSTERIOR SURFACE OF CORNEA(BLACK PART OF THE EYE)AFTER TREATMENT WITH C3R FOR KERATOCONUS(STEEPENING OF THE CORNEA)

TOPOGRAPHICAL ANALYSIS OF ANTERIOR AND POSTERIOR CORNEAL SURFACES AFTER COLLAGEN CROSS LINKING FOR PROGRESSIVE KERATOCONUS.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2014/12/005284
Enrollment
60
Registered
2014-12-12
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: null- healthy patients suffering from refractive error due to keratoconus

Interventions

Intervention1: Analysis of corneal surface changes in keratoconus following accelerated collagen cross linking: Analysis of keratoconus using corneal topography Control Intervention1: keratoconus: pre

Sponsors

Nethradhama Superspeciality Eye Hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1.Progressive keratoconus •Increase in the maximum K reading >1D for 1year •Spherical refractive error by 0.50D for 6months •Astigmatism by 1.0D 6 months 2.Age 14-45 years 3.Deteriorating visual acuity 4.Contact lens intolerance. 5.Cornea thicker than 400 micron documented by pachymetry.

Exclusion criteria

Exclusion criteria: 1.Corneal scarring 2.Corneal degenerations and opacities 3.Vogt striae 4.Dry eye syndrome. 5.Corneal infections 6.Pterygium 7.Previous surgery 8.Glaucoma

Design outcomes

Primary

MeasureTime frame
Reduction in the mean K value by 2 diopters and gradually increasing improvements in Uncorrected visual acuity and Best corrected visual acuity.Timepoint: This is a retrospective study of patients undergone collagen cross linking with one year follow up.—

Secondary

MeasureTime frame
Halt in the progression of the diseaseTimepoint: 3rd and 6th month—

Countries

India

Contacts

Public ContactDR MALA B

Nethradhama Superspeciality Eye Hospital

malasuresh_98@yahoo.co.in09449859557

Outcome results

None listed

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