What is the definition for being legally blind?

What is the definition for being legally blind?

If you’re legally blind, your vision is 20/200 or less in your better eye or your field of vision is less than 20 degrees. That means if an object is 200 feet away, you have to stand 20 feet from it in order to see it clearly. But a person with normal vision can stand 200 feet away and see that object perfectly.

What qualifies for legal blindness?

Legal blindness is not black blindness. Rather, you are considered legally blind if you can’t see at six metres with both eyes (with glasses if required) what someone with normal vision can see at 60 metres, and/or if your field of vision is less than 20 degrees in diameter in your eye with better vision.

What counts as legally blind UK?

Generally, to be certified as severely sight impaired (blind), your sight has to fall into one of the following categories, while wearing any glasses or contact lenses that you may need: Visual acuity of less than 3 / 60 with a full visual field.

What is a legally blind loss of vision?

By this definition, you’re legally blind if your better eye — when using a corrective lens — has a central visual acuity of 20/200 or lower, or field of vision of no more than 20 degrees.

Can Legally blind be corrected?

By reshaping the cornea, LASIK can help if you are nearsighted (myopic), farsighted (hyperopic), or have an astigmatism. But you may only be a candidate for this elective surgery if your sharpness of vision falls within a certain range, which disqualifies most who are legally blind.

What does a person with 20 80 vision See?

Visual Acuity 5 Normal vision is measured as 20/20. If you had visual acuity of 20/80, it would mean that you would be able to see details from 20 feet away the same as a person with 20/20, or normal, vision could see from 80 feet away.

What is the legal definition of legally blind?

Legally, blindness is defined as less than 20/200 vision in the better eye with glasses (vision of 20/200 is the ability to see at 20 feet only what the normal eye can see at 200 feet). A person with 20° or less vision (pinhole vision) is also legally blind.

What does it mean to be legally blind if you can’t see beyond a foot?

Someone who is legally blind has a corrected vision of 20/200 in their best seeing eye. You might feel like you’re legally blind if you can’t see beyond a foot in front of you without wearing glasses, but as long as your vision can be corrected to 20/20 with a visual aid, such as glasses, then you are not considered legally blind.

What is the treatment for a legally blind person?

Treatments for legal blindness vary depending on the cause and the stage of the disease. For age-related eye diseases, it typically involves prescription medications or eye procedures to try to delay or keep the vision from worsening. For example, the goal of treatment for glaucoma is to reduce eye pressure.

How is visual acuity related to legal blindness?

Part 1 of the U.S. definition of legal blindness states this about visual acuity: A visual acuity of 20/200 or less in the better-seeing eye with best conventional correction (meaning with regular glasses or contact lenses). This is a 20/200 visual acuity measurement, correlated with the Snellen Eye Chart (pictured above):