Difference between revisions of Astigmatism
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(→Analogy with Chromatic Aberration: add analogy for the two different ways to prescribe cylinder.) |
Viceroy Sam (talk | contribs) (ce) |
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'''Astigmatism''' is | '''Astigmatism''' is an eye condition that means you have blur in a specific direction, or [[axis]] (technically, depending on the notation used for your prescription, the axis may indicate the angle of the eye's meridian where you have the least focusing power, or the one where you have the most). Astigmatism is compensated with [[cylinder]] lenses. A cylinder lens adds power along one particular meridian of the eye. | ||
Astigmatism often reduces spontaneously as myopia is corrected. | Astigmatism often reduces spontaneously as myopia is corrected. | ||