For the nearsighted, the American Optometric Association (AOA) has determined the following levels of severity: If your number is between -0.25 and -2.00, you have mild nearsightedness. If your number is between -2.25 and -5.00, you have moderate nearsightedness.
Is 2.5 eye prescription bad?
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.
Is 2.75 eyesight bad?
If you have a minus number, like -2.75, it means you're short-sighted and find it more difficult to focus on distant objects. A plus number indicates long-sightedness, so objects up close appear more blurred or close vision is more tiring on the eyes.Aug 19, 2020
What does +0.75 eye prescription mean?
A plus sign would mean they are farsighted. This second number, -0.75, indicates the person has an astigmatism, which is a distortion in the shape of the cornea that causes blurred vision.May 14, 2017
What minus is 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.Oct 5, 2020
How bad is minus vision?
This number is used to identify how strong your lenses need to be to correct your vision. If the number has a minus (-) sign next to it, it means you're nearsighted.Dec 14, 2018
Is 2.75 legally blind?
Someone is legally blind if their better eye — while wearing any glasses or contacts — has a visual acuity of 20/200 or less or a field of vision of less than 20 degrees. Visual acuity is the medical term for the sharpness of your eyesight.