Document Detail


Macular function in prediabetic and diabetic Omani adults: a microperimetric evaluation.
MedLine Citation:
PMID:  21319136     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Purpose. To assess if functional visual loss preceded structural changes or vice versa in diabetic patients by evaluating the macular function in prediabetic patients and in diabetic patients with varying grades of retinopathy and comparing the findings with those of age-matched healthy controls by means of microperimetry. Methods. Retinal sensitivity, fixation pattern, and test response were evaluated in 25 prediabetic patients (50 eyes), 25 diabetic patients (50 eyes), and 25 age-related normal nondiabetic patients (50 eyes) using Nidek microperimetry. The diabetic patients were classified into 3 groups on the basis of clinical and fundus fluorescein angiographic evidence: group 1 = no clinical or angiographic evidence of retinopathy, group 2 = background retinopathy only, group 3 = with macular edema. Classification of retinopathy was based on Early Treatment Diabetic Retinopathy Study standards. Statistical analysis was conducted by Fisher exact test. Results. In diabetic patients, 20 eyes (40%) had no clinical or angiographic evidence of retinopathy, 13 eyes (26 %) had background changes, and 17 eyes (34%) had macular edema. Statistically significant difference in the fixation pattern, test response, and retinal sensitivity was noted in the diabetic and the prediabetic patients when compared to the controls. Conclusions. Significant loss of macular function in the eyes of prediabetic subjects was noted. These preliminary findings probably support the hypothesis that neurodegeneration precedes microangiopathy.
Authors:
Mohammed Al Shafaee; Radha Shenoy; Alexander A Bialasiewicz; Shyam S Ganguly; Kamlesh Bhargava
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-7
Journal Detail:
Title:  European journal of ophthalmology     Volume:  -     ISSN:  1724-6016     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-2-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9110772     Medline TA:  Eur J Ophthalmol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Family Medicine and Public Health, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat - Oman.
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