The meaning of ASTIGMATISM is a defect of an optical system (such as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image.
astigmatism meaning, definition, what is astigmatism: difficulty in seeing clearly that is cau...: Learn more.
astigmatism(əstĭgˈmətĭzˌəm), type of faulty vision caused by a nonuniform curvature in the refractive surfaces—usually the cornea, less frequently the lens—of the eye. As a result, light rays do not all come to a single focal point on the retina. Instead, some focus...
Looking for online definition of astigmatism against the rule in the Medical Dictionary? astigmatism against the rule explanation free. What is astigmatism against the rule? Meaning of astigmatism against the rule medical term. What does astigmatism agai
Therefore, if one meridian focuses in front of the retina while the other is on it, it would be called simple myopic astigmatism. When the principal meridians line up perpendicularly — meaning that they meet at a 90° angle — it is known as "regular" astigmatism. If the angle is off,...
actually, i astigmatism in my left eye and i can use acuvue2 lenses that only cost 22usd a box. that is for me a 6 month supply. Bylucychandler— On May 04, 2008 Hi there, I have an astigmatism in my left eye, and I have a very slight color change in either eye, its unnotice...
prefix meaning "not, without," from Greek a-, an- "not" (the "alpha privative"), from PIE root *ne- "not" (source also of English un-). In words from Greek, such as abysmal, adamant, amethyst; also partly nativized as a prefix of negation (asexual, amoral, agnostic). The ancie...
Therefore, if one meridian focuses in front of the retina while the other is on it, it would be called simple myopic astigmatism. When the principal meridians line up perpendicularly — meaning that they meet at a 90° angle — it is known as "regular" astigmatism. If the angle is off,...