Intraocular lens | 合法醫療器材資訊網

Implantswithorwithoutremovalofnaturalcrystalline—Intraocularlens(IOL)isalensimplantedintheeyeaspartofatreatmentforcataractsor ...

Lens implanted in the eye to treat cataracts or myopia

An Intraocular lens (IOL) is a lens implanted in the eye usually as part of a treatment for cataracts or for correcting other vision problems such as short sightedness and long sightedness; a form of refractive surgery. If the natural lens is left in the eye, the IOL is known as phakic, otherwise it is a pseudophakic lens (or false lens). Both kinds of IOLs are designed to provide the same light-focusing function as the natural crystalline lens.[1] This can be an alternative to LASIK, but LASIK is not an alternative to an IOL for treatment of cataracts.

IOLs usually consist of a small plastic lens with plastic side struts, called haptics, to hold the lens in place in the capsular bag inside the eye.[2] IOLs were originally made of a rigid material (PMMA), although this has largely been sup...