20/ with best correction is one of the ways legal blindness is defined. It means you can see at 20 feet what everyone else can see at feet. It’s approximately 10% of normal vision. The other way legal blindness is defined is by visual field, which is how far you can see left, right, up, and down when you are staring straight ahead.

 · Blindness: Directed by Fernando Meirelles. With Yûsuke Iseya, Jason Bermingham, Eduardo Semerjian, Don McKellar. A city is ravaged by an epidemic of instant white blindness/10(K).

blindness [blīnd´nes] lack or loss of ability to see (see vision). Legally, blindness is defined as less than 20/ vision in the better eye with glasses (vision of 20/ is the ability to see at 20 feet only what the normal eye can see at feet). A person with 20° or less vision (pinhole vision) is also legally blind. In , the number of.

Blindness definition, the inability to see; the condition of having severely impaired or absolutely no sense of sight: Patients are first asked if their blindness is congenital or .

 · If you have color blindness, it means you see colors differently than most people. Most of the time, color blindness makes it hard to tell the difference between certain colors. Read about the types of color blindness and its symptoms, risk factors, causes, diagnosis, and treatment.

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3 Replies to “Blindness”

  1.  · Blindness is the inability to see things, including light. It can be partial or complete. Learn about causes, diagnosis, treatment, and more.

  2.  · Blindness and vision loss. Blindness is a lack of vision. It may also refer to a loss of vision that cannot be corrected with glasses or contact lenses. Partial blindness means you have very limited vision. Complete blindness means you cannot see anything and do not see light. (Most people who use the term "blindness" mean complete blindness.).

  3.  · Blindness is strictly defined as the state of being totally sightless in both eyes. A completely blind individual is unable to see at all. The word blindness, however, is commonly used as a relative term to signify visual impairment, or low vision, meaning that even with eyeglasses, contact lenses, medicine or surgery, a person does not see well.. Vision impairment can range from mild to sev.

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