Prab: Reverted edits by Prab (talk) to last revision by Kondreddy Naveen

2024-02-25T05:04:45Z

Reverted edits by Prab (talk) to last revision by Kondreddy Naveen

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= Intraocular Lens (IOL) =

An '''Intraocular Lens (IOL)''' is an artificial lens implanted in the eye to replace a damaged natural lens or one that has been removed during cataract surgery. IOLs are a key component in the treatment of cataracts and some other vision impairments, restoring vision by focusing light on the retina after the natural lens has been removed.

[[File:Visian Implantable Collamer Lens.jpg|thumb|right|Intraocular lens being implanted in the eye.]]

== Types of Intraocular Lenses ==
There are several types of IOLs designed to meet different visual needs:
* '''Monofocal IOLs:''' Provide clear vision at one distance, typically set for distance vision, while reading glasses may be needed for near tasks.
* '''Multifocal IOLs:''' Offer the ability to see clearly at multiple distances without glasses or contact lenses.
* '''Toric IOLs:''' Correct astigmatism in addition to nearsightedness or farsightedness.
* '''Accommodating IOLs:''' Designed to move or change shape inside the eye, allowing focus at multiple distances.

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== Surgical Procedure ==
The implantation of an IOL is typically performed during cataract surgery, which involves:
* Removing the clouded natural lens through a process called phacoemulsification.
* Inserting the IOL into the empty lens capsule of the eye.
This surgery is usually done on an outpatient basis using local anesthesia.

== Benefits ==
The primary benefit of an IOL implant is the restoration of clear vision after the removal of a cataract-affected lens. Other benefits include:
* Improved quality of life
* Decreased dependence on glasses or contact lenses
* Long-lasting solution for vision correction

== Potential Risks and Complications ==
As with any surgery, there are potential risks, which may include:
* Infection
* Inflammation
* Eye pressure increase
* Dislocation of the lens
* Residual refractive errors, requiring glasses or additional surgery

== Aftercare ==
After IOL implantation, patients typically need to:
* Use prescribed eye drops to prevent infection and inflammation
* Attend follow-up appointments to monitor healing
* Avoid strenuous activities and protect the eye from injury during the recovery period

== See Also ==
* [[Cataract surgery]]
* [[Refractive surgery]]
* [[Visual acuity]]
* [[Astigmatism]]

== References ==
* American Academy of Ophthalmology. (2022). "What Are Intraocular Lenses?"
* National Eye Institute. (2021). "Cataract Surgery."

== External Links ==
* [https://www.aao.org/eye-health/diseases/intraocular-lenses-iols American Academy of Ophthalmology: Intraocular Lenses]
* [https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/cataracts/cataract-surgery National Eye Institute: Cataract Surgery]

[[Category:Ophthalmology]]
[[Category:Eye surgery]]
[[Category:Medical devices]]
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Intraocular lens - Revision history

Prab: Reverted edits by Prab (talk) to last revision by Kondreddy Naveen