Abstract
Purpose: To assess correlation between central corneal thickness measurements using two different ultrasonic pachymeters.
Material and Methods: This prospective study involved normal subjects aged 16 to 45 years. Central corneal thickness was measured in 47 eyes by two ultrasonic pachymeters – Tomey SP – 100 and Sonomed 300 AP. Correlations between CCT measurements assessed by the two pachymeters were tested by Pearson correlation.
Results: Forty seven eyes were included in the study. The mean (± SD) age of the subjects was 27.79 years (± 6.88).The mean (± SD) Tomey Pachymeter CCT was 536.45 m (34.37) and the mean (SD) Sonomed CCT was 540.64 m (33.48).CCT measurements by the two modalities were very strongly correlated (r = 0.98; P <0.0001).
Conclusions: In healthy individuals, Tomey pachymeter measurements of corneal thickness were highly correlated with those obtained using Sonomed pachymeter, and hence the two may be used interchangeably.
Sharmeen Akram, Zarksis H. Anklesaria, Khabir Ahmad. (2013) Correlation between Central Corneal Thickness Measurements Using Two Different Ultrasonic Pachymeters, Pakistan Journal of Ophthalmology, Volume 29, Issue 04.
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