Lenses - MeSH

Select item 680079091.

Pieces of glass or other transparent materials used for magnification or increased visual acuity.

Select item 680541202.

Lenses, generally made of plastic or silicone, that are implanted into the eye in front of the natural EYE LENS, by the IRIS, to improve VISION, OCULAR. These intraocular lenses are used to supplement the natural lens instead of replacing it.

Year introduced: 2008

Select item 680079103.

Lenses, Intraocular

Artificial implanted lenses.

Year introduced: 1979

Select item 680032634.

Contact Lenses, Hydrophilic

Soft, supple contact lenses made of plastic polymers which interact readily with water molecules. Many types are available, including continuous and extended-wear versions, which are gas-permeable and easily sterilized.

Year introduced: 1974(1971)

Select item 680032625.

Contact Lenses, Extended-Wear

Hydrophilic contact lenses worn for an extended period or permanently.

Year introduced: 1989(1984)

Select item 680032616.

Contact Lenses

Lenses designed to be worn on the front surface of the eyeball. (UMDNS, 1999)

Select item 20234557.

Multifocal Intraocular Lenses

Artificially implanted lenses that direct light toward distant and near focal points allowing clear vision for a range of distances.

Year introduced: 2018