Definition

Noun: An artificial lens that is surgically implanted inside the eye. Its primary function is to replace the eye's natural lens when that lens has become clouded by a cataract or is otherwise damaged. The intraocular lens focuses light onto the retina to restore clear vision.

Usage

The term "intraocular lens" is used specifically in medical and ophthalmological contexts to refer to the prosthetic lens device. It is typically discussed in relation to cataract surgery. - It is often abbreviated as IOL. - It is a countable noun (e.g., an intraocular lens, intraocular lenses).

Examples

• After cataract surgery, the patient's vision was restored with an intraocular lens.
• The surgeon selected a premium multifocal intraocular lens for the procedure.
• Modern intraocular lenses can correct for astigmatism as well as nearsightedness or farsightedness.

Advanced Usage

• IOL Power Calculation: A critical preoperative step where the required optical power of the intraocular lens is determined based on the unique measurements of the patient's eye.
• Phakic IOL: A specific type of intraocular lens implanted removing the eye's natural lens, typically used for correcting very high refractive errors.
• IOL Exchange: A secondary surgical procedure to remove and replace a previously implanted intraocular lens.

Variants and Related Words

• IOL: The standard acronym for "intraocular lens."
• Pseudophakia: (Noun) The condition of having an intraocular lens implant after the natural lens has been removed.
• Pseudophakic: (Adjective) Describing an eye that contains an intraocular lens implant.
• Aphakia: (Noun) The absence of the eye's natural lens, which an intraocular lens is designed to correct.

Synonyms

• Artificial lens implant
• Lens prosthesis (for the eye)

Related Phrases and Terms

• Cataract extraction and IOL implantation: The full name for the standard surgical procedure.
• Toric IOL: An intraocular lens designed to correct corneal astigmatism.
• Monofocal IOL / Multifocal IOL / Accommodating IOL: Different types of intraocular lenses that offer varying ranges of vision (e.g., single focus, multiple focuses, or lens movement to focus).

Noun

1. an artificial lens that is implanted into the eye of someone to replace a damaged natural lens or someone who has had a cataract removed