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  2. Branch retinal artery occlusion - Wikipedia

    en.wikipedia.org/.../Branch_retinal_artery_occlusion

    Branch retinal artery occlusion (BRAO) is a rare retinal vascular disorder in which one of the branches of the central retinal artery is obstructed. [ 1 ] Signs and symptoms

  3. Branch retinal vein occlusion - Wikipedia

    en.wikipedia.org/wiki/Branch_retinal_vein_occlusion

    Branch retinal vein occlusion revealed by laser Doppler imaging through flow alteration in the upper right branch artery. The diagnosis of branch retinal vein occlusion is made clinically by finding retinal hemorrhages in the distribution of an obstructed retinal vein. Fluorescein angiography is a helpful adjunct. Findings include delayed ...

  4. Acute visual loss - Wikipedia

    en.wikipedia.org/wiki/Acute_visual_loss

    Central retinal artery occlusion: CRAO is characterized by painless, acute vision loss in one eye. [11] Central retinal vein occlusion: CRVO causes sudden, painless vision loss that can be mild to severe. [12] Branch retinal vein occlusion: sudden painless vision loss or visual field defect are the main symptom of BRVO. [13]

  5. Ocular ischemic syndrome - Wikipedia

    en.wikipedia.org/wiki/Ocular_ischemic_syndrome

    Ocular ischemic syndrome is the constellation of ocular signs and symptoms secondary to severe, chronic arterial hypoperfusion to the eye. [1] Amaurosis fugax is a form of acute vision loss caused by reduced blood flow to the eye; it may be a warning sign of an impending stroke, as both stroke and retinal artery occlusion can be caused by thromboembolism due to atherosclerosis elsewhere in the ...

  6. List of optometric abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_optometric...

    Branch retinal artery occlusion BRVO Branch retinal vein occlusion Cat Cataract: CLAPC/CLIPC Contact lens associated/induced papillary conjunctivitis CLARE Contact lens associated red eye CLPU Contact lens associated peripheral ulcer CNS Central nervous system CNV Choroidal neovascularization: CRAO Central retinal artery occlusion CRVO

  7. Homonymous hemianopsia - Wikipedia

    en.wikipedia.org/wiki/Homonymous_hemianopsia

    Occlusion of the calcarine artery that results in infarction of the superior part of the occipital lobe causes a lower peripheral visual field defect. Posterior cerebral artery penetrating branch occlusion may result in infarction of the posterior capsule, causing hemisensory loss, and (if low enough) a transient hemianopia may also occur.

  8. Intraretinal microvascular abnormalities - Wikipedia

    en.wikipedia.org/wiki/Intraretinal_Microvascular...

    IRMA can be difficult to distinguish from and is likely a precursor to retinal neovascularization. One way to distinguish IRMA from retinal neovascularization is to perform fluorescein angiography. Since IRMA blood vessels are patent, unlike neovascular vessels, they do not leak, and therefore exhibit hyperfluorescence on fluorescein angiography.

  9. Sickle cell retinopathy - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_retinopathy

    Central retinal artery occlusion is a known feature of non-proliferative sickle cell retinopathy that has a low incidence in patients with non proliferative sickle cell retinopathy. [5] Optic nerve sign is represented by dilated capillaries that can be visualized in the nerve using fluorescein angiography. Visual acuity often remains unchanged ...