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is the inability to see or a lack of vision. In the most severe cases, there’s an inability to see even light.

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What are the symptoms of blindness?

With complete blindness there is a lack of vision and the inability of the eye to detect light.

Symptoms that you may have while vision loss develops include:

Blurry vision.

Floaters and flashers.

Sensitivity to light (photophobia).

Sudden loss of vision, or the sudden appearance of black spots in your vision.

What causes blindness?

There are many causes of blindness, including injuries, infections and medical conditions.

Eye injuries and blindness

Eye injuries, or ocular trauma, can happen in many ways. It usually affects only one eye. Damage can result from:

Chemical burns.

Exposure to toxins

Fights.

Fireworks.

Industrial accidents, including falls.

Motor vehicle crashes.

Sports.

Infections and blindness

Many infectious diseases can lead to vision loss and sometimes blindness. These include:

Non-infectious diseases and blindness

Many non-infectious diseases can cause blindness, but some in only the most severe stages of the disease. These include:

Retinitis pigmentosa. This term refers to a group of conditions that affect your retina, the part of your eye that has special cells that react to light. As the condition progresses, the retinal cells break down. This leads first to problems seeing at night and then subsequent loss of your peripheral vision.

Age-related macular degeneration. This condition affects the macula, the part of your retina that controls central vision. When substantial central vision loss occurs, tasks like reading or recognizing people's faces become very difficult, but your peripheral vision often remains intact.

Retinopathy of prematurity. This retinal condition happens to some premature babies. Blood vessels grow into parts of their eye where they don't belong. Scar tissue forms and can damage their retina, leading to significant vision loss and blindness.

Cataracts. Cataracts cause vision loss by clouding the lenses of your eyes, leading a blurring of the vision and loss of contrast. Without access to surgical care, advanced cataracts can lead to blindness.

Diabetes-related retinopathy. This condition may happen when you have diabetes and the blood vessels in the eye are damaged. The vision loss may be mild at first, but with progression or lack of treatment, blindness can occur.

Glaucoma. With this condition, you have optic nerve damage. The vision loss often starts in the periphery but can lead to blindness in advanced stages of the disease.

Leber hereditary optic neuropathy. This term refers to an inherited type of gradual vision loss. For unknown reasons, it affects males more than females.

Anophthalmia. This disease happens when you're born without one or both eyes.

Microphthalmos. This disease happens when you're born with very small eyes. Sometimes these smaller eyes don't work as well as they should, or at all.

Stroke. You can lose your eyesight from a stroke that occurs in an area of the brain that is involved in seeing, like the occipital lobe or along the visual tract. The stroke reduces or blocks blood flow to your brain.

Cancer. Cancers, like retinoblastoma or orbital tumors, can cause eyes to become blind.

Nutritional deficiencies. A poor diet can cause vision loss. Vitamin A deficiency is one cause, but you also need B vitamins and other minerals and vitamins for healthy vision.

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Blindness (Vision Impairment): Types, Causes and Treatment

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If you're completely blind, you can't see anything at all, even light. It's different from low or impaired vision, where you can often see shapes or light.

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from infections, accidents, genetic conditions and other diseases.

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What are the symptoms of blindness?

With complete blindness there is a lack of vision and the inability of the eye to detect light.

Symptoms that you may have while vision loss develops include:

Blurry vision.

Floaters and flashers.

Sensitivity to light (photophobia).

Sudden loss of vision, or the sudden appearance of black spots in your vision.

What causes blindness?

There are many causes of blindness, including injuries, infections and medical conditions.

Eye injuries and blindness

Eye injuries, or ocular trauma, can happen in many ways. It usually affects only one eye. Damage can result from:

Chemical burns.

Exposure to toxins

Fights.

Fireworks.

Industrial accidents, including falls.

Motor vehicle crashes.

Sports.

Infections and blindness

Many infectious diseases can lead to vision loss and sometimes blindness. These include:

Non-infectious diseases and blindness

Many non-infectious diseases can cause blindness, but some in only the most severe stages of the disease. These include:

Retinitis pigmentosa. This term refers to a group of conditions that affect your retina, the part of your eye that has special cells that react to light. As the condition progresses, the retinal cells break down. This leads first to problems seeing at night and then subsequent loss of your peripheral vision.

Age-related macular degeneration. This condition affects the macula, the part of your retina that controls central vision. When substantial central vision loss occurs, tasks like reading or recognizing people's faces become very difficult, but your peripheral vision often remains intact.

Retinopathy of prematurity. This retinal condition happens to some premature babies. Blood vessels grow into parts of their eye where they don't belong. Scar tissue forms and can damage their retina, leading to significant vision loss and blindness.

Cataracts. Cataracts cause vision loss by clouding the lenses of your eyes, leading a blurring of the vision and loss of contrast. Without access to surgical care, advanced cataracts can lead to blindness.

Diabetes-related retinopathy. This condition may happen when you have diabetes and the blood vessels in the eye are damaged. The vision loss may be mild at first, but with progression or lack of treatment, blindness can occur.

Glaucoma. With this condition, you have optic nerve damage. The vision loss often starts in the periphery but can lead to blindness in advanced stages of the disease.

Leber hereditary optic neuropathy. This term refers to an inherited type of gradual vision loss. For unknown reasons, it affects males more than females.

Anophthalmia. This disease happens when you're born without one or both eyes.

Microphthalmos. This disease happens when you're born with very small eyes. Sometimes these smaller eyes don't work as well as they should, or at all.

Stroke. You can lose your eyesight from a stroke that occurs in an area of the brain that is involved in seeing, like the occipital lobe or along the visual tract. The stroke reduces or blocks blood flow to your brain.

Cancer. Cancers, like retinoblastoma or orbital tumors, can cause eyes to become blind.

Nutritional deficiencies. A poor diet can cause vision loss. Vitamin A deficiency is one cause, but you also need B vitamins and other minerals and vitamins for healthy vision.

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Blindness (Vision Impairment): Types, Causes and Treatment

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If you're completely blind, you can't see anything at all, even light. It's different from low or impaired vision, where you can often see shapes or light.

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Blurry vision.

Eye pain.

Floaters and flashers.

Sensitivity to light (photophobia).

Sudden loss of vision, or the sudden appearance of black spots in your vision.

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Blindness (Vision Impairment): Types, Causes and Treatment

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If you’re completely blind, you can’t see anything at all, even light. It’s different from low or impaired vision, where you can often see shapes or light.

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Cataract surgery

Corneal transplant

Retinal surgery

Vitamin supplements

medication

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Blindness (Vision Impairment): Types, Causes and Treatment

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If you’re completely blind, you can’t see anything at all, even light. It’s different from low or impaired vision, where you can often see shapes or light.

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I would make sure the kid sits in the front of the classroom and will be able to see if they can not I will make sure to write bigger so they will be able to learn too. I would if a kids tells i will say not everyone is born with the best eyesight and most likely when you get older you will have cute little glasses or contacts it happens to everyone and its a beautiful thing of life,