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What Causes Severe Head Injury

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Head injury is the most common cause for blindness, depending on how mild or severe the head injury is. A severe head injury can cause abnormal eye movement and inability to focus the eyes. Eye and vision problems are common after a brain injury, and some vision problems can be due to trauma to the eye (Everyday Health). A blow to the head can cause vitreous hemorrhage, which is when blood vessels in the eye bleed into the vitreous humor. Most vitreous hemorrhages clear up, but in some cases people are left with vision problems (Everyday Health). Glaucoma is several eye conditions that can damage to your optic nerve. Increased pressure in the eye can cause glaucoma, which leads to vision loss or blindness (Healthline). There are five different types of glaucoma, which are open-angle (chronic) glaucoma, angle-closure (acute) glaucoma, congenital glaucoma, secondary glaucoma, and normal-tension glaucoma (Healthline). Open-angle (chronic) glaucoma is the most common type of glaucoma, and there are no signs or symptoms expect gradual vision loss (Healthline). People that over sixty years old are at risk for glaucoma, and African Americans risk starts at forty years old. There is no cure for glaucoma, but surgeries and medicine can help …show more content…

Vision loss can be partial or total, depending on how detached the retina is from the eye. There are three different types of retinal detachment, which are rhegmatogenous, tractional, and exudative (Health). Rhegmatogenous is the most common retinal detachment which is when there is a hole or tear in the retina, and fluid gets behind the retina and separates it from the back of the eye (Health). Extreme nearsightedness can cause more strain on the eye and lead to a retina detachment. Retinal detachment can be fixed depending on how severe the tear is. Partial or total vision loss can happen if it is treated in

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