The crystalline lens in our eyes has innermost cells that last a lifetime.
From the usatoday.com
A cataract is a clouding of the crystalline lens in the eye.
From the sciencedaily.com
One of these is the vitreous humour, the gelatinous liquid that is found behind the crystalline lens of the eye.
From the sciencedaily.com
Cataracts, which affect about 22 million Americans over 40, are a clouding of the eye's naturally clear crystalline lens.
From the nytimes.com
Light entering the cornea from water is hardly refracted at all, leaving only the eye's crystalline lens to focus light.
From the en.wikipedia.org
The EPI-RET device contains 25 electrodes and requires the crystalline lens to be replaced with a receiver chip.
From the en.wikipedia.org
The cornea accounts for approximately two thirds of this refractive power and the crystalline lens contributes the remaining third.
From the en.wikipedia.org
Cataract-when the eye's crystalline lens becomes clouded and hardens-is the leading cause of vision impairment in older people.
From the sciencedaily.com
A cataract is a clouding that develops in the crystalline lens of the eye or in its envelope, varying in degree from slight to complete opacity and obstructing the passage of light.