Legally Blind Definition Prescription
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.
Legally blind definition prescription. In 2002 the number of. If the best you can do on an eye chart with the best eyeglass correction is 20 200 that is legal blindness in most states in the usa. A person is considered to have low vision or visual impairment if their best corrected vision is 20 40 or worse.
Legally blind is the definition of blindness used by the u s. 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.
Under the new criteria if a person s visual acuity is measured with one of the newer charts and they cannot read any of the letters on the 20 100 line they will qualify as legally blind based on a visual acuity of 20 200 or less. Social security administration ssa to determine if someone is eligible to receive disability benefits. Blindness blīnd nes lack or loss of ability to see see vision.
Visual acuity of 3 0 for instance means that you have 20 250 or 20 300 vision. Legal blindness relates to the best corrected vision after an eyeglass prescription is determined. You cannot look at the numbers on your eyeglass prescription to determine this.
Visual acuity of 2 5 is equivalent to 20 200 vision. Part 2 of the u s. Simply put if your prescription is 2 5 or lower this means that you are legally blind.
Definition of legal blindness states this about visual field. This person isn t considered legally blind but they can have difficulty in. The definition of legally blind assumes you are wearing the best possible rx.
This can be achieved with prescription eye drops or oral medications laser procedures and. Of course it is certainly possible to be worse than 20 70 w o your glasses or contacts on. If you really are 7 50 then you are certainly worse than 20 70 at distance but i m sure you read 20 20 if the print is close enough.
