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Postoperative Cataract Lenses
Lewis C. Gordonson, MD
Arch Ophthalmol. 1970;84(1):62.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings. |
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POSTOPERATIVE temporary lenses of many types are currently on the market. Most are tinted, and the cost is above $5. In large municipal institutions, the procurement, maintenance, and return of these lenses have been a chronic problem. Recently, we have been able to fashion a paper thin, plastic, disposable postoperative cataract lens of about +14.00 diopters for 30 cents (Fig 1).
Comment
August Fresnel, in the early 1800s, first conceived the idea of a wafer thin lens of high dioptric power. The principle is a simple one. One side of the lens is flat. The other side is a series of concentric grooves engraved in the surface so that each groove is at a slightly less steep angle as one progresses from the periphery of the lens to the center. This produces a series of prisms in decreasing powers as one proceeds from the periphery to the center. Light entering
. . . [Full Text PDF of this Article]
Author Affiliations
New Hyde Park, NY
From the Long Island Jewish-Queens Hospital Medical Center, Queens, NY.
Footnotes
Submitted for publication Oct 7, 1969.
Reprint requests to 1300 Union Turnpike, New Hyde Park, NY 11040 (Dr. Gordonson).
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