Decoding Your Eyewear Prescription: How to Read Prescription on Glasses Frame
To read a glasses prescription, find the sphere column. The number shows the strength needed for eyesight correction. A plus sign (+) means farsightedness, while a minus sign (-) means nearsightedness. Also look for cylinder values for astigmatism and axis measurements for complete lens specifications. The axis refers to the orientation of the astigmatism correction. … Read more