𝘕𝘦𝘰𝘷𝘢𝘴𝘤𝘶𝘭𝘢𝘳𝘪𝘻𝘢𝘵𝘪𝘰𝘯 𝘰𝘧 𝘵𝘩𝘦 𝘥𝘪𝘴𝘤 (𝘕𝘝𝘋) ● New vessels on or within one disc diameter of the disc ● Occurs due to attempt at vascularising ischemic retina ● The new vessels lack the integrity and bifurcation of normal vessels and are fragile - bleed spontaneously ● Retinal and vitreous hemorrhages attract fibroglial elements → fibrovascular stalks → vitreous contraction → traction on retina → RD ● The neovascularization arises from the existing vascular supply of the normal optic disc and nerve fibre layer that includes both a uveal and retinal source
𝐂𝐚𝐮𝐬𝐞𝐬: ● Proliferative Diabetic Retinopathy ● Retinal vein occlusions ● Sickle cell retinopathy ● Retinopathy of prematurity ● Carotid stenosis www.ophthalmobytes.com Image from Rajan Eye Care Hospital #ophthalmology #ophthal #retina #neovascularization #neovascularizationofdisc #diabeticretinopathy #doctor #health #medical #vision #education #optometry #medicalstudent #optometrist #medicine #eye #ophtho #ophthalmologist #ophthalmo #med #medicaleducation #ophthalmologyresident #ophthalmologyresidency
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