CENTRAL RETINAL VEIN OCCLUSION
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2018, Vol 7, Issue 18
Abstract
BACKGROUND CRVO is a retinal vascular occlusive disorder seen commonly in older adults and is often associated with systemic vascular disease. The patient usually presents with unilateral painless loss of central vision. It is characterised by haemodynamic changes leading to thrombus formation in the central retinal vein. Fundoscopic findings including optic disc and retinal oedema, dilated tortuous retinal veins with fibrous sheathing, extensive superficial and deep retinal haemorrhages, cotton wool spots and appearance of collaterals at the optic disc are its prominent diagnostic signs. FFA shows a marked delay in filling up of retinal veins with areas of blocked fluorescence corresponding to areas of extensive haemorrhages. Although, most eyes recover with a good vision, about one-fifth have significant visual loss and many suffer ocular sequelae. Many treatment modalities such as intravitreal injections, laser photocoagulation, invasive procedures like radial optic neurotomy and vitrectomy have been tried for this entity, but no conclusive evidence exists that any treatment alters its natural history.
Authors and Affiliations
Bharati Gogoi, Farhana Rahman
Keywords
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- EP ID EP417264
- DOI 10.14260/jemds/2018/514
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