Abdul Sami Memon, Umair Qidwai.
Comparison of Optical Coherence Tomography & Slit Lamp Biomicroscopy Abdul Sami Memon in detection of Diabetic Macular Edema.
Ophthalmol Update Jan ;13(3):157-9.

Aim: To compare accuracy of optical coherence tomography and slit lamp biomicroscopy in detection of diabetic macular edema. Methods: It was an observational case series, carried out at Al-Ibrahim Eye Hospital, Karachi from August 2011 to November 2012. Patients with mild non proliferative diabetic retinopathy on fundus were included in the study, they underwent biomicroscope slit lamp examination and fundoscopy using 90 diopter condensing lens followed by macular scan through optical coherence tomography. 2x2 tables were uses for statistical analysis of the results of biomicroscope slit lamp examination with 90 diopter and with macular scans by OCT. Results: 142 eyes of 85 patients were included in the study according to the inclusion and exclusion criteria. The probability of correct diagnosis of diabetic macular edema by slit lamp examination was 61.68%. the accuracy of identifying diabetic macular edema in OCT was 71.12%. Conclusion: Optical coherence tomography can detect diabetic macular edema even earlier than slit lamp biomicroscopy and thus prevent further visual deterioration by undergoing early treatment.

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