Looking into the future.Your article states that farsightedness farsightedness or hyperopia, condition in which far objects can be seen easily but there is difficulty in near vision. It is caused by a defect of refraction in which the image is focused behind the retina of the eye rather than upon it, either 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 or myopia, defect of vision in which far objects appear blurred but near objects are seen clearly. Because the eyeball is too long or the refractive power of the eye's lens is too strong, the image is focused in front of the and astigmatism astigmatism (əstĭg`mətĭz'əm), type of faulty vision caused by a nonuniform curvature in the refractive surfaces—usually the cornea, less frequently the lens—of the eye. be treated as well? Could binoculars, telescopes, and microscopes use this technology? ROGER CURNOW, GRAND RAPIDS, MICH v. i. 1. To lie hid; to skulk; to act, or carry one's self, sneakingly. . 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. |
|
||||||||||||||||||
Printer friendly
Cite/link
Email
Feedback
Reader Opinion