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defocus |
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defocus To put or go out of focus. hyperopic defocus State of the eye in which the retinal image is focused behind the retina. It may occur when placing a negative lens in front of an emmetropic presbyopic eye; in an uncorrected presbyopic hyperope; in a high hyperope unable to overcome the ametropia by accommodating; or as an accommodative lag in an uncorrected or corrected myope, as well as in an emmetrope viewing a near object. See lag of accommodation; over-correction. myopic defocus State of the eye in which the retinal image is focused in front of the retina. It may occur when placing a positive lens in front of an emmetropic eye; in an uncorrected or undercorrected myopic eye; or if there is a lead of accommodation, as is the case in some individuals viewing a distant object. See lead of accommodation; under-correction. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| When the beam is defocused and a beam diameter of 2 mm occurs, soft tissue is vaporized, whereas in the focused mode, with a 0. We would have had a bunch of defocused blobs and a couple of faces, and everything would have been dark. After all, the Nigerian-born curator, focusing on the issue of globalization, had in a sense defocused his event, dividing it into "platforms"--conferences and lecture series engaging figures from a wide range of disciplines--that took place at different locales around the world over the course of the year leading up to the installation in Kassel. |
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