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Editors Selection IGR 7-1
Examination methods: CCT
Comment by Peter Shah on:
11981 Corneal thickness and axial length, Shimmyo M; Orloff PN, American Journal of Ophthalmology, 2005; 139: 553-554
An observational, retrospective cross-sectional study by Shimmyo and Orloff (35) aimed to determine whether there is an association between central corneal thickness 9CCT) and axial length (AL) in a clinical setting. The ocular parameters of 1084 consecutive eyes in which these parameters had both been measured were analysed and compared by age, gender and race in a general ophthalmology practice in New York City. The mean CCT of all eyes was 543.1 &plm; 40.1 micrometres (range 365 to 745) and the mean AL was 23.44 &plm; 1.57 mm (range 17.05 to 34.64). There was no statistically significant relationship between central corneal thickness and axial length
There was no statistically significant relationship between central corneal thickness and axial length. In particular the authors found that thinner corneas are not associated with longer eyes. This study adds data to the current literature on biomorphometric associations in glaucoma pathogenesis. It is important to remember that the data presented was collected in a retrospective manner and is not representative of an unselected population, and this is a weakness of the study conclusion.
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