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Sonographic evaluation of lens thickness in diabetes mellitus in a Nigerian tertiary hospital

Objectives: To noninvasively evaluate the lens thickness in type 2 diabetic patients using ultrasound, and to correlate age, disease duration, fasting blood sugar (FBS), and proteinuria with lens thickness. Materials and Methods: The study was performed in Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife, a secondary and tertiary referral center. The study population consisted of 100 type 2 diabetic patients with age and sex-matched controls. Antero-posterior lens thickness, age, duration of diabetes, FBS, and proteinuria were assessed. Results: The lens was thicker in the diabetic group than in the controls (3.76 ± 0.45 versus 3.56 ± 0.34 mm; P = 0.001). There was a positive correlation between patient’s age and lens thickness (r = 0.533, P = 0.001 for the controls; and r = 0.335, P = 0.001 for diabetics). There were no significant correlations between lens thickness with duration of diabetes, proteinuria, or FBS. Conclusion: The lenses of type 2 diabetes were thicker than those of the control patients.