Evaluation of patterns of Diabetic macular edema with OCT and its association with visual acuity at a tertiary centre
Journal Title: International Journal of Medical and Health Sciences - Year 2015, Vol 4, Issue 3
Abstract
Introduction: This study aimed to describe various morphologic patterns of diabetic macular edema (DME) demonstrated by optical coherence tomography (OCT) and correlate them with visual acuity. Materials and methods: A total of 158 eyes of 100 patients with diabetic retinopathy were studied. All patients with DME underwent OCT evaluation. The OCT scans were evaluated for the presence of diffuse retinal thickening (DRT), cystoid macular edema (CME), posterior hyaloidal traction (PHT), serous retinal detachment (SRD), and traction retinal detachment (TRD)., the retinal thickness was measured and correlated with visual acuity. Results: Optical coherence tomography was able to quantify the development of both foveal and extrafoveal macular thickening. Foveal thickness measured by OCT was highly correlated with visual acuity. Two hundred two OCT scans of 158 eyes of 100 patients were identified. OCT revealed five morphologic patterns of DME: DRT (61.88%) ;CME (24.75%), SRD without PHT (6.93%);PHT without TRD (5.45%) ; PHT with TRD (0.99%).Increasing retinal thickness in all patterns was significantly correlated with worse visual acuity (P < 0.05). Conclusions: Optical coherence tomography was a useful technique for quantifying macular thickness in patients with diabetic macular edema. DME exhibits five different morphologic patterns on OCT. There is a significant correlation between retinal thickness and visual acuity.
Authors and Affiliations
Sajad Khanday, Rahila Ramzan, Raashid Maqbool Wani, Farooq Runyal
Keywords
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