Sub-Foveal Choroidal Thickness in Diabetics and Non-Diabetics in the Jordanian Population

Moun mohamad Al saad, Osama Ababneh

Abstract


Background and Aims: Diabetes is a common disease. The aims of the study was to measure the sub-foveal macular choroidal thickness in diabetics without diabetic retinopathy and to compare it with non –diabetics in a Jordanian population.
Method: The present paper is a retrospective, observational, case series study. Enhanced depth imaging ocular coherence tomography (EDI-OCT) images were obtained from diabetics without diabetic retinopathy and were compared to healthy subjects using a spectral domain OCT. The sub-foveal choroidal thickness was measured from the outer boarder of the retinal pigment epithelium to the inner scleral border at the center area of the foveal depression. Statistical analysis was performed to evaluate the sub-foveal choroidal thickness in eyes without diabetic retinopathy and to compare it with age matched healthy adults.
Results: The present work studied 68 eyes of 38 patients aged between 26 and 79 years. The study consisted of 23 males and 15 females. There were 42 eyes of 21 diabetic patients and 26 eyes of 17 subjects without diabetes. The average sub-foveal choroidal thickness was slightly less in the diabetic group (256108 m) compared to eyes without diabetes (265105 m), but the difference was not statistically significant (p=0.51).
Conclusion: The present study concluded that patients with diabetes mellitus had a slightly but statistically insignificant thinner sub-foveal choroid thickness than non-diabetics. This finding may indicate that thinning of the choroid may be an early sign of ocular ischemia due to shrinkage of the choroidal vasculature in diabetic patients.
Keywords: choroidal thickness, diabetes, enhanced depth OCT, Jordanian population.

Keywords


: choroidal thickness, diabetes, enhanced depth OCT, Jordanian population.

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