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Blind - Dive into a vibrant online community where professionals engage in candid discussions on careers, workplace dynamics, and other diverse topics. From insightful career advice to lively debates, join a community that goes beyond boundaries, fostering connections and shared knowledge
Learn how to cope with vision loss, find resources for living, working, and learning with blindness or low vision. Explore topics such as eye conditions, technology, braille, and more.
- Overview
- What are the symptoms of blindness?
- What causes blindness?
- Who’s at risk for blindness?
- How is blindness diagnosed?
- How is blindness treated?
- What’s the long-term outlook?
- How can blindness be prevented?
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Overview
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.
Symptoms of blindness in infants
Your 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: •constant eye rubbing •an extreme sensitivity to light •poor focusing •chronic eye redness •chronic tearing from their eyes •a white instead of black pupil •poor visual tracking, or trouble following an object with their eyes •abnormal eye alignment or movement after 6 months of age
The following eye diseases and conditions can cause blindness:
•Glaucoma refers to different eye conditions that can damage your optic nerve, which carries visual information from your eyes to your brain.
•Macular degeneration destroys the part of your eye that enables you to see details. It usually affects older adults.
•Cataracts cause cloudy vision. They’re more common in older people.
•A lazy eye can make it difficult to see details. It may lead to vision loss.
•Optic neuritis is inflammation that can cause temporary or permanent vision loss.
The following categories of people are at risk for blindness:
•people with eye diseases, such as macular degeneration and glaucoma
•people with diabetes
•people who have a stroke
•people undergoing eye surgery
•people who work with or near sharp objects or toxic chemicals
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:
•the clarity of your vision
•the function of your eye muscles
•how your pupils react to light
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.
In some cases of vision impairment, one or more of the following may help restore vision:
•eyeglasses
•contact lenses
•surgery
•medication
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.
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:
•at 6 months of age
•at 3 years of age
•every year between 6 and 17 years old
If you notice symptoms of vision loss between routine visits, make an appointment with their eye doctor immediately.
Blindness is the inability to see anything, including light. Learn about the symptoms, causes, risk factors, diagnosis, treatment, and prevention of blindness and partial vision loss.
Nov 14, 2022 · Learn about the different types of blindness, such as partial, complete, congenital and legal blindness, and their causes and treatments. Find out how to prevent and manage vision loss and live with blindness.
Aug 10, 2023 · Learn about the causes, prevalence, impact and strategies to address vision loss and eye conditions worldwide. WHO provides data, recommendations and guidance on integrated, people-centred eye care.
Sep 25, 2023 · Learn about the most common causes of blindness, such as macular degeneration, glaucoma, cataracts, and diabetes. Find out the risk factors, symptoms, and how to prevent vision loss with regular eye exams and healthy habits.
940 million / 13% (2015) [5] Visual or vision impairment ( VI or VIP) is the partial or total inability of visual perception. In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment – visual impairment may cause the individual difficulties with normal daily tasks including reading and walking. [6]
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