Translation and analysis of words by ChatGPT artificial intelligence
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eye lens - translation to English
![A photographic approximation of a naked eye view of the [[night sky]] from a small rural town (top) and a [[metropolitan area]] (bottom). [[Light pollution]] dramatically reduces the visibility of [[star]]s.](https://commons.wikimedia.org/wiki/Special:FilePath/Light pollution country versus city.png?width=200 "A photographic approximation of a naked eye view of the [[night sky]] from a small rural town (top) and a [[metropolitan area]] (bottom). [[Light pollution]] dramatically reduces the visibility of [[star]]s.")
.jpg?width=200 "newspaper=ESO Picture of the Week}}</ref>")
![ITESM-Campus Ciudad de México]]](https://commons.wikimedia.org/wiki/Special:FilePath/CCMDonation11.JPG?width=200 "ITESM-Campus Ciudad de México]]")
![Using a [[phoropter]] to determine a prescription for eyeglasses](https://commons.wikimedia.org/wiki/Special:FilePath/Man at Phoropter.jpg?width=200 "Using a [[phoropter]] to determine a prescription for eyeglasses")
Wikipedia
The lens, or crystalline lens, is a transparent biconvex structure in most land vertebrate eyes. Along with the cornea, aqueous and vitreous humours it refracts light, focusing it onto the retina. In many land animals the shape of the lens can be altered, effectively changing the focal length of the eye, enabling them to focus on objects at various distances. This adjustment of the lens is known as accommodation (see also below). In many fully aquatic vertebrates such as fish other methods of accommodation are used such as changing the lens's position relative to the retina rather than changing lens shape. Accommodation is analogous to the focusing of a photographic camera via changing its lenses. In land vertebrates the lens is flatter on its anterior side than on its posterior side, while in fish the lens is often close to spherical.
Accommodation in humans is well studied to allow artificial means of supplementing our focus such as glasses for correction of sight as we age. The refractive power of a younger human lens in its natural environment is approximately 18 dioptres, roughly one-third of the eye's total power of about 60 dioptres at infancy and 10 dioptres by the age of 25 years. Most of the reduction in our natural accommodation as we age is attributed to the aging of our lenses.
