An eyeglass prescription is an order written by an eyewear prescriber, such as an
optometrist .... Stacking lenses combines their power by simple addition of diopter
strength, if their separation is...
Dr. Heiting explains how to read eyeglass prescriptions, including the numbers
and abbreviations, and why contact lens prescriptions are different.
Sphere or Power - SPH or PWR - This is the main strength of your eyeglass
prescription, and is written in 0.25 increments. If the field has 'SPH', 'PL', 'PLANO',
Dec 4, 2015 ... WebMD helps you understand what your eyeglass prescription means.
Just ask the optician who issued your glasses prescription - they are required by
law to provide it for you. ... A higher number shows the strength of lens required.
Understanding your eyeglass prescription takes a bit of work, but it can be ....
additional diopters of strength that are added onto your usual prescription in the ...
Confused about your glasses prescription? Watch our helpful video in order to
understand what all the different abbreviations mean.
Deciphering your eyeglass prescription can be confusing, especially if you're
getting glasses for the first time. Going to your eye exam armed with knowledge
Looking for new reading glasses, but unsure of which power or prescription is
best for you? Use the following steps and diopter chart!
Illustrated explanation of an eyeglass prescription. ... The strength of a lens is
measured in diopters, abbreviated D. The higher the number of diopters, the ...