Distribution of different sized ocular surface vessels in diabetics and normal individuals Highly accessed article
Author(s):
Abstract:
Purpose
To compare the distribution of different sized vessels using digital photographs of the ocular surface of diabetic and normal individuals.Methods
In this cross-sectional study, red-free conjunctival photographs of diabetic and normal individuals, aged 30-60 years, were taken under defined conditions and analyzed using a Radon transform-based algorithm for vascular segmentation. The image areas occupied by vessels (AOV) of different diameters were calculated. The main outcome measure was the distribution curve of mean AOV of different sized vessels. Secondary outcome measures included total AOV and standard deviation (SD) of AOV of different sized vessels.Results
Two hundred and sixty-eight diabetic patients and 297 normal (control) individuals were included, differing in age (45.50 ± 5.19 vs. 40.38 ± 6.19 years, P Conclusion
Presence of diabetes mellitus is associated with contraction of larger vessels in the conjunctiva. Smaller vessels dilate with diabetic retinopathy. These findings may be useful in the photographic screening of diabetes mellitus and retinopathy.Keywords:
Language:
English
Published:
Journal of Ophthalmic and Vision Research, Volume:12 Issue: 4, Oct-Dec 2017
Page:
361
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