Overview Show Blindness is the inability to see anything, including light. If you’re partially blind, you have limited vision. For example, you may have blurry vision or the inability to distinguish the shapes of objects. Complete blindness means you can’t see at all. Legal blindness refers to vision that’s highly compromised. What a person with regular vision can see from 200 feet away, a legally blind person can see from only 20 feet away. Seek medical attention right away if you suddenly lose the ability to see. Have someone bring you to the emergency room for treatment. Don’t wait for your vision to return. Depending on the cause of your blindness, immediate treatment may increase your chances for restoring your vision. Treatment may involve surgery or medication. If you’re completely blind, you see nothing. If you’re partially blind, you might experience the following symptoms:
Symptoms of blindness in infantsYour child’s visual system begins to develop in the womb. It doesn’t fully form until about 2 years of age. By 6 to 8 weeks of age, your baby should be able to fix their gaze on an object and follow its movement. By 4 months of age, their eyes should be properly aligned and not turned inward or outward. The symptoms of visual impairment in young children can include:
The following eye diseases and conditions can cause blindness:
Blindness is a potential complication if you have diabetes or have a stroke. Other common causes of blindness include:
Causes of blindness in infantsThe following conditions can impair vision or cause blindness in infants:
The following categories of people are at risk for blindness:
A thorough eye exam by an optometrist will help determine the cause of your blindness or partial loss of vision. Your eye doctor will administer a series of tests that measure:
They’ll examine the general health of your eyes using a slit lamp. It’s a low-power microscope paired with a high-intensity light. Diagnosing blindness in infantsA pediatrician will screen your baby for eye problems shortly after birth. At 6 months of age, have an eye doctor or pediatrician check your child again for visual acuity, focus, and eye alignment. The doctor will look at your baby’s eye structures and see whether they can follow a light or colorful object with their eyes. Your child should be able to pay attention to visual stimuli by 6 to 8 weeks of age. If your child doesn’t react to light shining in their eyes or focus on colorful objects by 2 to 3 months of age, have their eyes examined right away. Have your child’s eyes examined if you notice crossed eyes or any other symptoms of impaired vision. In some cases of vision impairment, one or more of the following may help restore vision:
If you experience partial blindness that can’t be corrected, your doctor will provide guidance on how to function with limited vision. For example, you can use a magnifying glass to read, increase the text size on your computer, and use audio clocks and audiobooks. Complete blindness requires approaching life in a new way and learning new skills. For example, you may need to learn how to:
You can also consider getting some adaptive products, like a specialized smartphone, color identifier, and accessible cookware. There’s even adaptive sporting equipment, like sensory soccer balls. A person’s long-term outlook for restoring vision and slowing vision loss is better when treatment is preventive and sought immediately. Surgery can effectively treat cataracts. They don’t necessarily result in blindness. Early diagnosis and treatment are also important in cases of glaucoma and macular degeneration to help slow down or stop vision loss. To detect eye diseases and help prevent vision loss, get regular eye examinations. If you receive a diagnosis of certain eye conditions, such as glaucoma, treatment with medication can help prevent blindness. To help prevent vision loss, the American Optometric Association recommends you have your child’s eyes examined:
If you notice symptoms of vision loss between routine visits, make an appointment with their eye doctor immediately. What increases the risk of blindness?age-related macular degeneration. cataract. diabetic retinopathy. glaucoma.
What are 7 causes of blindness?7 causes of blindness. Age-related macular degeneration. Age-related macular degeneration generally happens in older people. ... . Glaucoma. Glaucoma mainly occurs when the fluid in the eye builds up pressure. ... . Diabetic Retinopathy. ... . Cataract. ... . Trachoma. ... . Corneal opacity. ... . Uncorrected Refractive Errors.. What is the most common cause of preventable blindness?Cataracts is the leading cause of preventable blindness.
What is the most common risk factor for vision loss?For all represented populations, cataract is the most common cause of vision impairment.
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