What is a 20 30 eye prescription?

Summary: Are prescription lenses required for a 20/30 vision prescription? 20/30 vision suggests that you can view details from 30 feet away than the average person can make out at 20 feet away. So, while your vision isn’t perfect, it’s not far below average.

Does 20 30 vision require glasses?

Do you need glasses for 20/30 vision? This depends on your eyes and prescription. If your vision is affecting your daily routine, glasses are an excellent option. Corrective eyewear can also benefit you if you have a refractive error, such as astigmatism, by clearing up your vision at various distances.

What is a 20 40 vision prescription?

Someone with perfect vision (20/20) would be able to see the same line of letter from 20 feet away that a normal person sees at 20 feet away. However, someone with 20/40 vision sees at 20 feet away what a normal person sees at 40 feet away.

What does 20 / 15 mean on an eyeglass prescription?

Any line below that would be 20/15 or below and indicates that you have exceptional visual acuity. Each eye is tested separately as your eyes are designed to compensate for each other and would not give an accurate reading. The prescription you receive may be a chart with headings that are filled in, or it may just be written out.

What does it mean to have normal 20 / 20 Vision?

If you can read the line 8, “D E F P O T E C”, you have 20/20, normal vision. The line 1, 20/200, means if you have the normal 20/20 vision, then you can see the big E on line 1, from 200 feet away. If you can read the lines below 20/20 from 20 feet away, you have what’s called “ Super-normal” vision.

What does the plus sign on eyeglass prescription mean?

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 should the prescription be for diopters 20 / XX?

If you’re nearsighted and look at a sample of fine print and find that it begins to blur at 20cm away, your prescription would be -5.00.