Is negative 1.75 vision bad?

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. If your number is lower than -5.00, you have high nearsightedness.

Are 1.25 reading glasses strong?

Reading glasses in the 1.25 range are for low to moderately-farsighted wearers. If strengths below 1.00 aren’t adequate, lenses in the 1.00-2.00 range should do the job. 2.25 is a relatively high prescription for reading glasses. Many of us will find this strength appropriate once we reach around fifty years old.

What is a bad vision?

20/30 to 20/60, this is considered mild vision loss, or near-normal vision. 20/70 to 20/160, this is considered moderate visual impairment, or moderate low vision. 20/200 or worse, this is considered severe visual impairment, or severe low vision.

What do the numbers mean on an eye prescription?

In this article, we look at how to read an eye prescription and what the numbers mean. A person may require a different eye prescription for each eye. Identify a + sign: Positive numbers, such as +1.00, explain how strong a lens needs to be to correct for farsightedness.

Are you confused with your prescription eyewear?

Whether you are purchasing your first pair of prescription eyewear or have been wearing prescription eyewear for some time, we’re sure that you have at least glanced at your eye prescription. Especially if you are a new wearer of prescription glasses, the letters, numbers, and characters in your prescription may be confusing.

Which lens number is worse for nearsightedness?

Lens Prescription for Nearsightedness. There is an important point to be made. Regardless of whether or not there is a + or – before the sphere number, the rule of thumb is: The higher the number, the worse the eyesight. So a -6.50 is always worse than a -2.50, and a +7.50 is always worse than a +2.50.

What does a 1 75 add mean on an eyewear prescription?

Ultimately, a 1.75 add can be negative or positive. Let’s start with -1.75. A -1.75 eyewear prescription essentially signifies that you need some additional power to see some objects that are further away. Specifically, we are talking about things like watching television or objects or people at a distance when you are driving.