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VOLUME 7 , ISSUE 1 ( Jan-Jun, 2018 ) > List of Articles
Keywords : Type 2 diabetes mellitus, Diabetic maculopathy, Central macular thickness and glycemic contro
Citation Information : Murugesan S. PG - 36: Central Macular Thickness in Diabetics without Retinopathy: A Cross-Sectional Study. 2018; 7 (1):50-50.
License: CC BY-NC 4.0
Published Online: 00-06-2018
Copyright Statement: Copyright © 2018; Jaypee Brothers Medical Publishers (P) Ltd.
Background: Diabetic maculopathy is the major cause for visual impairment in type 2 diabetics. Slit lamp biomicroscopy with +90 D lens has been the traditional method for diagnosis. Neurodegenerative changes precede clinical retinopathy. Optical coherence tomography (OCT) is a newer tool for diagnosis of such subtle changes in the macula. The purpose of this study is to assess the central macular thickness (CMT) in type 2 diabetics without clinical retinopathy. Methods: Prospective cross-sectional study was done at a rural tertiary care centre from January 2016 to June 2017 after obtaining clearance from the Institutional Human Ethics Committee. CMT was measured using Spectral Domain SLO/OCT [Opko/OTI, Inc., Miami, Florida] among the type 2 diabetics without clinical retinopathy. Results: This study included 104 patients (44 males, 60 females). Mean age of males was 53.66±10.85 years and females were 48.63±7.09 years. Duration of diabetes ranged from newly diagnosed to 15 years. Mean HbA1c was 8.99±2.51%. The average CMT among type 2 diabetics without retinopathy was 199.10±17.78μm. The CMT among male diabetics was thicker (208.35±16.14μm) than female diabetics (192.33±15.85μm) (p=0.00). CMT did not correlate with duration of diabetes (r=0.047) or with the glycemic control (r=0.107). Conclusion: Among type 2 diabetics without clinical retinopathy, males had thicker CMT than females. CMT did not correlate with duration of diabetes or with the glycemic control.
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