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Fleischer's ring, Vogt striae, scissoring reflex on retinoscopy and corneal thinning with ectasia. The other inclusion criterion included eyes with inferior skewing ...
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窑Clinical Research窑

Comparison of corneal measurements in keratoconic eyes using rotating Scheimpflug camera and scanning-slit topography

Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran 1336616351, Iran 2 Department of Biotechnology, College of Science, University of Tehran, Tehran 1347615323, Iran Correspondence to: Mohammad Naderan. Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran 1336616351, Iran. [email protected] Received: 2014-05-14 Accepted: 2014-08-25 1

· KEYWORDS:

keratoconus; Orbscan; Pentacam; rotating

Scheimpflug camera; scanning-slit topography; corneal pachymetry; central corneal thickness; thinnest corneal thickness; anterior chamber depth; pupil diameter DOI:10.3980/j.issn.2222-3959.2015.02.11

Comparison of corneal measurements in keratoconic eyes using

·AIM: To compare the anterior segment measurements obtained by rotating Scheimpflug camera (Pentacam) and Scanning -slit topography

eyes.

·METHODS: A total of

(Orbscan IIz) in keratoconic

121 patients, 71 males (58.7% )

and 50 females (41.3%) (214 eyes) with the diagnosis of

keratoconus (KC) were enrolled in this study. Following of

KC

by

slit

-lamp

biomicroscopic

examination, central corneal thickness (CCT), thinnest corneal thickness (TCT), anterior chamber depth (ACD), and pupil diameter

(PD) were measured by a single

examiner using successive instrumentation by Pentacam and Orbscan.

·RESULTS: There was no significant difference between the two instruments for the measurement of CCT and TCT. In contrast, scanning -slit topography measured ACD (3.46依0.40 mm (4.97依1.26 mm

3.38依0.33 mm,

4.08 依1.19 mm,

=0.019) and PD