الفهرس 
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Abstract
Optical lucidness tomography angiography (OCTA) is a generally new indicative procedure that utilizes no color to give a speedy, harmless, and high-goal assessment of retinal and choroidal vascular layers and blood flow.(De Carlo. Et al.,2015)(Jia. Et al.,2014)(Spaide. Et al.,2015).
Already, fluorescein angiography (FA) was utilized to concentrate on the life structures of the retinal fine plexus (RCP), nonetheless (FA) can create pictures of generally speaking vascularization, keeping us from seeing the elements of individual vascular layers. OCTA, then again, is a harmless and exceptionally definite methodology that permits us to duplicate pictures of the macular and peripapillary vascular life structures with a degree of detail and lucidity never seen before.(Nesper et al.,2017).
Obsessive OCTA results connected with pediatric retinal vascular sicknesses like Coats’ illness, acquired exudative vitreoretinopathy, and others can be recognized involving the qualities of vascular perfusion thickness in sound kids’ eyes. In examining the pathophysiology of a few pediatric retinal sicknesses, it’s fundamental to comprehend the physiological changes that happen during youth and immaturity, as well as distinctions in sexual orientation. What physiological changes happen in the macula during the main many years of life is a secret. (Borrelli.et al.,2019)
The reason for this study was to assess the construction and blood stream of the macula locale, which is a 6 × 6 mm detectable district of the macula area. Notwithstanding its likely handiness, information on visual vascular thickness (VD) in typical kids are restricted and clinical applications in youngsters are meager. (De Carlo. Et al.,2015) (Hsu. Et al.,2019).
Barely any examinations have endeavored to introduce regularizing information on kids. (Borrelli.et al.,2019) (Zhang. Et al.,2020) (Park. Et al.,2020).
Subsequently, the motivation behind this study is to report macular microvessel estimations in solid Egyptian pediatric subjects utilizing OCTA examination to survey factors that might influence these quantitative information.
The reason for this study is to portray the variety and attributes of vessel thickness (VD) of the macula in according to sound Egyptian kids , to measure the vessel thickness of the macula and foveal connective zone (FAZ) in solid youngsters and to assess the impacts of orientation , age and weight record (BMI) on vessel thickness and FAZ.