- Clinical features:
- Occur either in the level of subhyaloid space between posterior
vitreous face and retina or under internal limiting membrane.
- Localized vitreous gel detachment may occur.
- Horizontal blood level or boat-shaped hemorrhage is usually
apparent, which obscures the underlying retina.
- Fluorescein angiography demonstrates blockage of underlying details
in areas of hemorrhages.
- Underlying causes include retinal tear, bleeding from neovascularization,
rupture of the internal limiting membrane, hypertensive retinopathy,
posterior vitreous detachment, and vascular occlusion.
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