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- Clearing of the retinal hemorrhages after BRVO usually occurs in 3-6 months.
- Maybe asymptomatic
- Visual loss if associated with macular edema
- Unilateral visual field defect
- Marked sheathing or narrowing of the occluded vein
- Chronic leakage from these abnormal vessels that contribute to accumulation of hard exudates
- Collateral vessels with following characteristics:
- Small and tortuous
- Commonly cross from the territory of the occlusion to an uninvolved vein
- May cross the horizontal raphe and drain into the venous circulation of the uninvolved quadrant
- Can be complicated with retinal or optic disc neovascularization, preretinal membrane formation, and rhegmatogenous retinal detachment.