The SPH section corrects nearsighted or farsighted vision. The CYL and AXIS sections correct an astigmatism. There may also be a fourth section on the Rx, NV-ADD (for Near Vision-Reading ADDition), which could be used to order a pair of bifocal or progressive glasses with a close-up vision section in the bottom part of the lens. How to Read Your Eyeglass Prescription Zenni OpticalThis is the most common format with clearly printed fields for OD, OS, SPH, CYL, etc.; values are usually entered with computer, but may be handwritten by doctor.
OD -2.00 SPH +2.00 add 0.5 p.d. BD OS -1.00 -0.50 x 180 +2.00 add 0.5 p.d. BU In this case, the eye doctor has prescribed -2.00 D sphere for the correction of myopia in the right eye (OD). There is no astigmatism correction for this eye, so no cylinder power or axis is noted. OD vs. OS:How to Read Your Eyeglass PrescriptionNov 12, 2018 · SPH is an abbreviation of sphere which indicates the power of the lens your doctor is prescribing to correct your vision. If youre nearsighted (myopia), the number will have a minus sign (
- The Sphere
SPH, CYL, Understanding your Glasses Prescription
- The Sphere
How bad is my eye prescription? Understanding the numbersApr 21, 2020 · Spherical correction (SPH):The spherical correction (SPH) refers to the lens strength needed to correct vision that affects the whole eye. This is usually the first number listed.
Other Terms on Your Eyeglass PrescriptionYour eyeglass prescription contains other terms and abbreviations as well. These include:Sphere (SPH). This indicates the amount of lens power, meaAn Example of An Eyeglass PrescriptionConfused? Let's use an example to clear things up. (Pun intended.)Here is a sample eyeglass prescription:In this case, the eye doctor has prescribeAn Eyeglass Prescription Is Not A Contact Lens PrescriptionEyeglass and contact lens prescriptions aren't the same. An eyeglass prescription is for the purchase of eyeglasses only. It does not contain certaYour Eyeglass Prescription:It's Yours to KeepThe Federal Trade Commission is the U.S. government's consumer protection agency, and in 1980 the FTC's Prescription Release Rule became law. The r Eyeglass Prescription Glossary / Abbreviations
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', or '00', this means your there is a 0.00 power as should be entered as so. AC Lens can create lenses for prescriptions with sphere ranges between
- The Sphere How bad is my eye prescription? Understanding the numbersApr 21, 2020 · Spherical correction (SPH):The spherical correction (SPH) refers to the lens strength needed to correct vision that affects the whole eye. This is usually the first number listed.