Looking into the future.Your article states that farsightedness farsightedness /far·sight·ed·ness/ (fahr-sit´ed-nes) hyperopia. far·sight·ed·ness (fär s will be treated with these new electric lenses (Switch-a-Vision: Electric spectacles could aid aging eyes;' SN: 4/22/06, p. 243). With some tweaking, could nearsightedness nearsightedness /near·sight·ed·ness/ (ner-sit´ed-nes) myopia.near·sight·ed·ness (nîr s and astigmatism compound astigmatism that complicated with hypermetropia or myopia in all meridians. corneal astigmatism that due to irregularity in the curvature or refracting power of the cornea. irregular astigmatism that in which the curvature varies in different parts of the same meridian or in which refraction in successive meridians differs irregularly. be treated as well? Could binoculars, telescopes, and microscopes use this technology? ROGER CURNOW, GRAND RAPIDS, MICH. Yes and yes, says Dwight P. Duston of PixelOptics in Roanoke, Va. However, he notes that it's instant switching between focus settings that distinguishes the new, liquid crystal lenses from standard lenses, not better vision correction. |
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