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New test detects diabetic retinopathy at an early stage. |
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EurekAlert: The changes to the subjects in the study included corkscrew-shaped capillaries. The capillaries were not just a little thicker, and therefore distorted, but instead the blood vessel walls had to grow in length to make these loops. This is visible only at microscopic levels, making it difficult to determine who has the more advanced disease among patients, because these eyes look similar when viewed with the typical instruments found in the clinic. Yet, some of these patients already have sight-threatening complications.... The study, "In vivo adaptive optics microvascular imaging in diabetic patients without clinically severe diabetic retinopathy," was published in the journal Biomedical Optics Express. It is available at http://www.opticsinfobase.org/boe/abstract.cfm?uri=boe-5-3-961.
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