An Intraocular Lens Implant Is An Artificial Lens That Replaces The Lens Of The Eye In Cataract Surgery

Intraocular Lens
Intraocular Lens

An intraocular lens (IOL) is a lens that is implanted in the eye to treat cataracts or myopia. If the natural lens is retained, the IOL is referred to as phakic; otherwise, it is referred to as a pseudophakic, or false lens. A lens of this type is typically implanted during cataract surgery, after the cloudy natural lens of the eye (cataract) has been removed. The pseudophakic IOL performs the same function as the natural crystalline lens in terms of light focusing. The phakic type of Intraocular Lens is used in refractive surgery to change the optical power of the eye as a treatment for myopia. It is placed over the existing natural lens (nearsightedness). This is a non-LASIK procedure.

IOLs are typically made up of a small plastic lens with plastic side struts called haptics that hold the lens in place inside the eye's capsular bag. IOLs were previously made of an inflexible material (PMMA), but this has been largely replaced by the use of flexible materials such as silicone. The majority of IOLs used today are fixed monofocal lenses designed for distance vision. Other options include multifocal Intraocular Lens, which provide multiple-focused vision at far and reading distances, and adaptive intraocular lenses, which provide limited visual accommodation. Multifocal IOLs can also be Trifocal IOLs or lenses with an extended depth of focus (EDOF).

The global Intraocular Lens Market is expected to be worth $5,076.1 million in 2022, with a CAGR of 7.2% during the forecast period (2022-2030).

Every year, over six million lenses are implanted. The procedure can be performed under local or topical anaesthesia, with the patient awake throughout. A flexible IOL allows the lens to be rolled for insertion into the capsular bag through a very small incision, eliminating the need for stitches. In the hands of an experienced ophthalmologist, this procedure usually takes less than 30 minutes, and the recovery time is about 2-3 weeks. Patients should avoid strenuous exercise or anything else that significantly raises blood pressure after surgery. They should see their ophthalmologists every three weeks for three weeks to monitor the implants.

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