Fluorescein angiography to estimate normal peripheral retinal nonperfusion in children
Journal of AAPOS, 06/15/2012Blair MP et al.
In children up to 13 years of age, the avascular retina normally extends 1.5 DD or less temporally and 1.0 DD or less nasally from the ora serrata. Conservatively, ≥2 DD of nonperfusion, 3 standard deviations more than normal, should be considered abnormal and a sign of peripheral nonperfusion. These data may serve as preliminary indicators of the range of normal when evaluating diseases with retinal vascular abnormalities in children.
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