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Retinal detachment is a condition where the retina pulls away from the tissue underneath it. [1] [2] [3] It may start in a small area, but without quick treatment, it can spread across the entire retina, leading to serious vision loss and possibly blindness. [4] Retinal detachment is a medical emergency that requires surgery. [2] [3]
Diabetic retinopathy (also known as diabetic eye disease) is a medical condition in which damage occurs to the retina due to diabetes.It is a leading cause of blindness in developed countries and one of the lead causes of sight loss in the world, even though there are many new therapies and improved treatments for helping people live with diabetes.
This disease can lead to visual impairment and sometimes complete blindness in one or both eyes. FEVR is characterized by incomplete vascularization of the peripheral retina. This can lead to the growth of new blood vessels which are prone to leakage and hemorrhage and can cause retinal folds, tears, and detachments.
Cytomegalovirus retinitis, also known as CMV retinitis, is an inflammation of the retina of the eye that can lead to blindness. [1] Caused by human cytomegalovirus, it occurs predominantly in people whose immune system has been compromised, including 15-40% of those with AIDS. [3]
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]
People with the condition usually display redness of the eye, white or off-white colored patches that are patches of retinal necrosis. [3] ARN can progress into other conditions such as uveitis, detachment of the retina, and ultimately can lead to blindness. [4] The disease was first characterized in 1971, in Japan.
Eye flashing: characterised by bursts or streaks of light that appear in an individual's field of vision. As eye flashing may indicate impending retinal detachment, medical attention is required. [8] Eyelid twitching: where the eyelid muscles contract in an irregular or abnormal pattern. Such movements can cause irritation and fatigue to the ...
Vitreoretinal traction or retinal detachment cause flashes, floaters or dark shadows. [10] Sudden loss of vision may occur due to retinal artery occlusion, vitreous hemorrhage or retinal detachment. Intravascular occlusions may be seen in optic disc vessels. [11]
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