Difference between revisions of Blur

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m (adding some of the other defocus definitions being discussed on the forum.)
m (→‎Myopic vs Hyperopic Blur: full article links added.)
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==Myopic vs Hyperopic Blur==
==Myopic vs Hyperopic Blur==
''Full Articles at [[Myopic defocus]] and [[Hyperopic defocus]]''
Myopic blur is the type of blur normally experienced by people with uncompensated [[myopia]].  Hyperopic blur is the type  normally experienced by people with uncompensated hyperopia.  In order to induce blur, use a lens with the opposite [[diopter]] sign as the lens normally used for blur correction, so a plus lens will give myopic blur to an [[emmetrope]].  A weak negative lens will give myopic blur to a myope.
Myopic blur is the type of blur normally experienced by people with uncompensated [[myopia]].  Hyperopic blur is the type  normally experienced by people with uncompensated hyperopia.  In order to induce blur, use a lens with the opposite [[diopter]] sign as the lens normally used for blur correction, so a plus lens will give myopic blur to an [[emmetrope]].  A weak negative lens will give myopic blur to a myope.