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dioptre |
Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson | 0.09 sec. |
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dioptre or US diopter [die-op-ter] Noun a unit for measuring the refractive power of a lens [Greek dia- through + opsesthai to see]
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The implants are scleral constrictor bands, segments or ribs for inducing accommodation of a few diopters, to correct refractive errors. The lens can treat nearsightedness between the ranges of -4 to -20 diopters with up to 3 diopters of astigmatism. The Food and Drug Administration warned that the implants are only for mildly nearsighted people, whose vision is formally diagnosed as ``minus 1 diopters to minus 3 diopters. |
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