INTRAOCULAR LENS Meaning and
Definition
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An intraocular lens (IOL) is a medical device used in eye surgery to replace the natural lens of the eye which has been affected by cataracts or other conditions. It is a tiny, artificial lens that is implanted inside the eye to restore clear vision.
In detail, the intraocular lens is made of a biocompatible material, typically silicone or acrylic, and comes in various shapes and sizes to accommodate different patient needs. The IOL is inserted into the eye through a small incision, usually during cataract surgery, and positioned precisely to replace the cloudy or opacified natural lens that has been removed. Once in place, the intraocular lens remains a permanent part of the eye.
The primary purpose of an intraocular lens is to refract light properly and focus it onto the retina at the back of the eye. This allows for clear vision at various distances, depending on the specific type of IOL used. Some intraocular lenses have a fixed focus for either distance or near vision, while others offer multifocal capabilities, enabling individuals to see objects both near and far without the need for glasses or contact lenses.
Overall, the intraocular lens has revolutionized eye surgery and significantly improved the quality of life for individuals with cataracts or other lens-related visual impairments.
Common Misspellings for INTRAOCULAR LENS
- untraocular lens
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Etymology of INTRAOCULAR LENS
The word "intraocular lens" is a combination of two terms: "intraocular" and "lens".
- "Intraocular" comes from the Latin prefix "intra", meaning "within" or "inside", and the Latin word "oculus", meaning "eye". Therefore, "intraocular" refers to something situated within or inside the eye.
- "Lens" originates from the Latin word "lens", which means "a lentil" or "lens-shaped object". In the context of the eye, a lens refers to the crystalline lens present between the iris and the vitreous humor that helps focus light onto the retina.
Combining the two terms, "intraocular lens" refers to an artificial lens implanted within the eye to replace the natural lens, usually during cataract surgery or to correct refractive errors.
Similar spelling words for INTRAOCULAR LENS
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