Central artery occlusion results in sudden, painless complete vision loss in one eye. Branch artery occlusion causes sudden, partial vision loss. Artery occlusion is diagnosed via eye examination. Unfortunately, there is no consistent treatment to restore lost vision, but very rare cases may recover if treated within an hour. Conditions like hypertension and diabetes increase risk. Retinal detachment occurs when retinal layers separate, and has three types. Signs include flashes, wavy vision, and floaters. Retinal detachments are usually detected early via eye exam for best vision recovery chances. Treatment depends on detachment type, severity and location, and may include pneumatic retinopexy or buckle surgery. Retinitis pigmentosa causes night and

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