Is minus 8 eyesight bad?
Is minus 8 eyesight bad? The difference between mild and severe nearsightedness is just a few inches. Those with mild nearsightedness (-2 prescription) start to have blurry vision for objects more than 20 inches away, and those who are very highly nearsighted (-8 prescription) start to see blur for objects more than 5 inches away.
What is the highest eye prescription?
SPH: Prescription spherical correction ranges between 0.00 and +/- 20.00. The farther away from 0 your prescription is, the stronger the lenses are made to correct vision problems.
Is minus 7 legally blind?
What Eye Prescription is Considered Legally Blind? 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.