Acute visual loss | |
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Other names | Acute vision loss |
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A Snellen chart, which is frequently used for visual acuity testing |
Acute visual loss is a rapid loss of the ability to see. It is caused by many ocular conditions like retinal detachment, glaucoma, macular degeneration, and giant cell arteritis, etc.
Main article: Retinal detachment |
Retinal detachment should be considered if there were preceding flashes or floaters, or if there is a new visual field defect in one eye.[2][3] If treated early enough, retinal tear and detachment can have a good outcome.[2]
Main article: Glaucoma |
Angle-closure glaucoma should be considered if there is painful loss of vision with a red eye, nausea or vomiting.[4] The eye pressure will be very high typically greater than 40 mmHg.[5] Emergent laser treatment to the iris may prevent blindness.[4]
Main article: Macular degeneration |
Wet macular degeneration should be considered in older people with new distortion of their vision with bleeding in the macula.[6][7] Vision can often be regained with prompt eye injections with anti-VEGF agents.[6]
Main article: Giant-cell arteritis |
Giant cell arteritis should be considered in an older person with jaw claudication, temporal pain, and tiredness.[8] Placing the person on steroids might save both their vision and decrease their risk of stroke.[9] Without treatment a person can quickly go blind in both eyes.[10]
Main article: Vitreous hemorrhage |
It is one of the most common causes of acute or subacute decrease in vision. [15]
Main article: Hyphema |
Blood in the anterior chamber of the eye is known as hyphema. Severe hyphema covering pupillary area can cause sudden decrease in vision.