An eyeglass prescription is an order written by an eyewear prescriber, such as ....
Stacking lenses combines their power by simple addition of diopter strength, ...
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',
Finally, the ADD number of +1.75 represents the power that needs to be "added" to the distance prescription
to give the patient clear vision at a close range for reading and near point activities. This number is usually absent in younger people's eyeglass prescriptions
... More »
Understanding Your Prescription | How to read your eyeglasses prescription
code and ... The strength of lens correction you need may be different for each
Learn how to read your eyeglasses prescription and the meaning of each
number, term and letter used at ... It also tells the lens strength needed to fix it.
Nov 12, 2013 ... WebMD helps you understand what your eyeglass prescription means.
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 ...
Once your eye examination is complete and all the necessary tests have been
done, the optometrist will give you a copy of your prescription. This contains the ...