What does a negative diopter mean?

Oct 19, 2018 ... To some extent, the "short-sighted" view on education is reminiscent of Mrs. Malaprop's view on the education of young women, which should ... Myopia occurs if the eyeball is too long or the cornea (the clear front cover of the eye) is too curved. As a result, the light entering the eye isn't ... Feb 17, 2022 ... In essence, being short sighted means that whilst you can focus on objects which are close to you, those further away look blurry. That happens ... Aug 2, 2024 ... What does SPH mean? ... SPH stands for sphere and is the amount of lens power you need for clear vision. It describes how long or short-sighted ... Nov 7, 2024 ... Severe nearsightedness (more than 6 diopters of myopia) is also called high myopia. Nearsighted children usually become more nearsighted as they ... Oct 17, 2015 ... In people with short-sightedness, the clear front surface of the eye (the cornea) curves too steeply or the eyeball is too long. This means that ... adjective · unable to see far; nearsighted; myopic. · lacking in foresight: a shortsighted plan. Synonyms: improvident, careless, heedless, unthinking. Antonyms: ... What is short-sightedness (myopia)?. If you are short-sighted you have problems seeing things in the distance clearly, but can see things that are close to you. The medical term for farsightedness is hyperopia. It's the opposite of nearsightedness. Hyperopia is usually caused by an eyeball that's too short, causing ... Nov 5, 2021 ... Short-sightedness, or myopia, is a very common eye condition that causes distant objects to appear blurred, while close objects can be seen clearly.