الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
Diabetic macular oedema is an important manifestation of non-proliferative diabetic retinopathy and represents the leading cause of blindness in diabetics . It is defmed as actual retinal thickening in the macular area . The early diagnosis IS important for the purpose of offering affected patients proven treatment when indicated. The diagnosis of diabetic macular oedema depends on the traditional techniques of slit-lamp examination and fluorescein angiography . The early treatment diabetic retinopathy study (ETDRS) guidelines for clinically significant macular oedema are based on slit-lamp observation of macular thickening within 500J.lm of the central fovea, independent on the angiographic findings. Numerous new optical rangmg systems have been proposed to delineate the structure of normal retina and disease processes within its tissues. Optical coherence tomography (OCT) is one of these techniques, and has been applied in numerous studies of healthy and diseased human tissues.