sph optical

How Do I Read My Prescription? Zenni Help Center

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.

How to read your eyeglasses prescription

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 Definitive Guide to Understanding your Prescription

Leave a Comment