Know Before You Buy
Buying something at retail means you are paying the marked up cost to help businesses make a profit. However, where you buy it can make a huge difference where it matters most - your wallet. Before you buy your next pair of glasses - shop smart and leave the markups behind.
Three Questions You Should Always Ask When Buying Prescription Eyewear
- 1) Do you have a private label (more affordable) equivalent for my frames and lens options?
- 2) Which frames are included within my vision benefit allowance?
- 3) Do my glasses come with a warranty if I break them?
Call Davis Vision and let us know how we can help - (800) 999-5431
Making Sense of Your Prescription
Click on the sample prescription pad to understand more.
See a description of each item highlighted on the sample prescription pad (below) to understand more.
Doctor of Optometry
175 East Houston Street
San Antonio, Texas 78205
Vertex lenses used in this examination; finished lenses to correspond.
OD Add reading
OD Add Intermediate
OS Add Reading
OS Add Intermediate
1 Sphere: Represents the amount of power, measured in diopters, the lens needs to provide clearer vision. Farsightedness is represented when written with a (+) symbol, whereas nearsightedness is represented when written with a (-) symbol.
2 Cylinder: Represents the amount of lens power, measured in diopters, which is needed to correct astigmatism. Farsightedness is represented when written with a (+) symbol, whereas nearsightedness is represented when written with a (-) symbol.
3 Axis: Represents the position of the amount of astigmatism and is used by labs to determine how to orientate the cylindrical lens to correct the astigmatism. Orientation measurements range from 0 - 180 degrees.
4 Prism: A measurement amount used to correct eye alignment. The prism targets eye turn, or "lazy eye", and double vision.
5 Base: Works with the Prism in correcting eye alignment. The base can be positioned up, down, in, or out.
6 Distance: Signifies the prescription lens power needed to clearly see objects far away.
7 Add: This is the near prescription needed for presbyopes. Additional positive power is necessary to magnify the distance prescription and restore the near vision.
8 OD: Right eye.
9 OS: Left eye.