Optical coherence tomographic assessment of macular thickness and morphological patterns in diabetic macular edema: prognosis after modified grid photocoagulation

Nepalese Journal of Ophthalmology : a Biannual Peer-reviewed Academic Journal of the Nepal Ophthalmic Society : NEPJOPH
A ShresthaG Poudyal

Abstract

The topographic mapping is useful for monitoring patients for the development of macular edema and following the resolution of edema after laser treatment. To evaluate the usefulness of optical coherence tomography (OCT) for mapping of macula after laser therapy in clinically significant macular edema (CSME). A prospective study was carried out enrolling 60 eyes of 35 patients with the diagnosis of CSME. OCT was performed at first visit and every successive follow up visit. The retinal thickness was measured automatically using OCT retinal mapping software. Correlation between vision status and central macular thickness (CMT) was done using the Spearman's correlation test. The analysis of variance (ANOVA) and independent t-test were used for comparison of groups. The OCT revealed sponge like thickening pattern (ST) in 67.4 % followed by cystoid macular edema (CME) in 19.6 %. Best corrected visual acuity (BCVA) improved in 89.1 % after 6 months of treatment. There was high correlation between vision status and CMT (P =less than 0.001). The mean values of baseline CMT were 301.68 (+/-134.738), 434.83 (+/-180.758), 518.67 (+/- 275.184), 327 (+/-108.393) and 334.85 (+/- 158.91) microns for the OCT patterns of ST, CME, sub-foveal de...Continue Reading

Citations

May 4, 2016·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Bilal HassanM Usman Akram
Feb 3, 2016·Applied Optics·Taimur HassanShafaat Ahmed Bazaz

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