Comparison of OCT pachymetry pattern in Keratoconus suspect and normal subjects

Document Type : Original Article

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Abstract

Purpose:
Comparison of pachymetry pattern of OCT finding in Keratoconus (KCN) suspect and normal subjects.
Methods:
Thirty-two KCN suspect eyes and Thirty- eight normal eyes in young subjects (20-30 year- old) were evaluated. Pachymetry pattern of frequency domain OCT (Visante) in different parts of cornea (thinnest point, inferior – superior thickness difference, inferior temporal – superior nasal thickness difference and thinnest point in 0-2 millimeter decent ration) were measured.
Results:
There was a significant (p<0.0001) difference in normal and KCN suspect patients in all measurements. KCN suspects showed thinner cornea and more differences in corneal thickness measurements.
Conclusion:
Anterior frequency domain OCT seems to be suitable for evaluation of KCN suspect patients. It may be critical for refractive surgery candidate and may be used as Pentacam or OrbScan corneal imaging systems.

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