What is the normal eyesight range?
What does 20/20 vision mean? 20/20 vision is normal vision acuity (the clarity or sharpness of vision) measured at a distance of 20 feet. If you have 20/20 vision, you can see clearly at 20 feet what should normally be seen at a distance.
What is a passing vision score?
10/20 (20/40) or better in each eye without a difference of two lines or more between the eyes. 10/16 (20/32) or better in each eye without a difference of two lines or more between the eyes. The majority of children who do not meet passing criteria will be referred. Some children may need rescreening.
What vision score is considered legally blind?
Visual acuity less than 20/200 is considered legally blind, but to actually fit the definition, the person must not be able to attain 20/200 vision even with prescription eyewear. Many people who would be legally blind without eyewear can function well in everyday life with appropriate glasses or contact lenses.
What is 2.5 vision?
Simply put, if your prescription is -2.5 or lower, this means that you are legally blind. Visual acuity of -2.5 is equivalent to 20/200 vision. Visual acuity of -3.0, for instance, means that you have 20/250 or 20/300 vision.
How do I read my eye scan results?
In general, the further away from zero the number on your prescription, the worse your eyesight and the more vision correction (stronger prescription) you need. A “plus” (+) sign in front of the number means you are farsighted, and a “minus” (-) sign means you are nearsighted.
What does eye prescription 2.25 mean?
For the farsighted, the AOA classifies it this way: If your number is between +0.25 and +2.00, you have mild farsightedness. If your number is between +2.25 and +5.00, you have moderate farsightedness. If your number is greater than +5.00, you have high farsightedness.
What is poor eyesight?
Low vision is a vision problem that makes it hard to do everyday activities. It can’t be fixed with glasses, contact lenses, or other standard treatments like medicine or surgery. You may have low vision if you can’t see well enough to do things like: Read. Drive.