Prescription

How do I read my glasses prescription and how do I upload them?
How do I read my glasses prescription? Common abbreviations Below you will find some abbreviations that are often used by ophthalmologists and opticians: Abbreviations Meaning OD Right eye (Oculus Dexter) OS Left Eye (Oculus Sinister) OU Both eyes (Oculi Uterque) ADD Addition SPH Atmosphere/Strength CYL Cylinder What do the strengths mean? Prescription strengths are usually expressed in 0.25 diopter increments. Each eye may require a different correction. For far-sightedness (distance vision) Positive values (e.g. +2.00) mean that you are farsighted (hyperopia). Negative values (e.g. -3.00) mean that you are nearsighted (myopia). Values... Read more...