Intermediate
Technical
In the Industry Vocabulary Test
IOL
Pronunciation: EYE-oh-el
Also written as: IOL — Intraocular Lens
Intraocular lens; an artificial lens implanted in the eye to replace the natural crystalline lens.
Full Definition
An intraocular lens (IOL) is a synthetic optical device surgically implanted within the eye to restore focusing ability after cataract removal or to correct refractive errors. IOLs are manufactured from biocompatible materials such as acrylic, silicone, or PMMA. Types include monofocal, multifocal, accommodating, and toric lenses, each designed for specific visual outcomes and patient needs.
Usage
Usage note: Always capitalize when used as an abbreviation; lowercase when spelling out the full term.
In Context
- "A multifocal IOL was selected to reduce the patient's dependence on reading glasses." — Pre-operative consultation note
- "IOL calculation was performed using optical biometry to determine appropriate lens power." — Surgical planning document
Also known as
intraocular lens
artificial lens
Contrasted with
natural lens
crystalline lens
Don't confuse with
ICL
IOD