eye lens


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eye lens

[′ī ‚lenz]
(optics)
The lens in a two-lens eyepiece which is nearer to the eye.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
These crystallins are present at high concentrations in the eye lens, and preserving their proper structure and arrangement is an important factor in keeping the lens clear.
Twentieth-century refinements by Rudolf Konig and Chester Brandon of the original 1860 design place the interior surfaces almost in contact to minimize ghost reflections and employ an eye lens of shorter focal length than the field lens.
Predicting the age of an individual from eye lens dry mass requires the species-specific relationship to be estimated, and this must be done using known-age animals (Dapson 1980).
Earlier studies have mostly focused on water soluble lens proteins while limited studies have been conducted on water insoluble lens proteins from mammalian eye lens (Ruttenberg, 1965; Lasser and Balazs, 1972).
Designed to correct these shortcomings, Pacific Northwest National Laboratory and Avegant's Glyph uses a micromirror array and a combination of proprietary optics in a head-mounted display to reflect an image from a media source directly onto the retina using the viewer's own eye lens, effectively making the back of the eyeball into a screen.
The amyloid levels found in the eye lens correlated significantly with the deposits identified in the brain through positron emission tomography (PET) brain imaging.
"A friend bought me an SLR camera a few years ago, and I wanted to get a fish eye lens for it.
People with diabetes are also at greater risk for cataracts, which is a clouding of the eye lens, and glaucoma, which damages the optic nerve.
ANSI 787.1 Rx "Almost Lenses" (not inserts) fit in wrap-frame sports glasses with an inverted bifocal lens (adjusted to your front sight) built into the dominant eye lens. When walking around, the bifocal portion stays out of the way and gives the wearer normal distance vision with peripheral vision in focus.
In short, they cause a clouding of part of the eye lens which results in blurred, dim and, sometimes, yellow-tinged vision.
This review article presents new, useful information about the eye lens, epithelial cells and fiber cells.