الفهرس 
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Abstract
OCT allows quantitative measurement of CMT in the DME and, for identifying the retinal layers individually; it also detects retinal structural changes and correlates them to visual functions.
There were significant differences for variables CMT, BCVA; the greater the CMT the worse the BCVA.
Patients with sponge macular edema presented the lowest mean value of CMT, and the best BCVA.
Patients with disrupted photoreceptor integrity showed greater mean value of CMT and worse BCVA.
Best resolutions, high definition, and refined results with OCT may bring answers with clarity and precision without further definition.
OCT is an excellent replacement of invasive exams to detect and evaluate macular structural changes, and it may, in the near future, explain the functional changes and the visual results of diabetic macular edema. The use of this device in public health campaigns can help to diagnose eyes with macular edema, and be an indicator of early treatment and follow-up.
Consequently, we suggest that baseline OCT mapping, not only of the total foveal thickness, but also of intraretinal fluid accumulation patterns, the integerity of the photoreceptor IS/OS layer are significant predictors of VA in patients with DME; that may help to predict the outcome after treatment and may help in choosing the best treatment modality.
So assessing the status of the IS/OS junction on OCT helps clinicians more accurately predict the visual outcome of patients with DME.
There were significant correlations between baseline HbA1c levels and baseline BCVA, baseline CMT, so Patients that had lower HbA1c appeared to be correlated with better visual acuity and lower CMT values at baseline.