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Which INTRAOCULAR LENS is best for me?

INTRAOCULAR-LENSOnce the Cataract is removed, a permanent, artificial lens, called an Intraocular lens or IOL is implanted. There are two types of IOL available; non-foldable and foldable.

Non-foldable Lenses (IOL) : Are made of a hard plastic material, are bigger in size & bigger incisions need to be made to insert them.

Foldable Lenses (IOL) : Are made of a soft acrylic material.

Advantages of Foldable IOL

  • Foldable IOLs are made up of soft Acrylic material.
  • Need very small incision for insertion of Lens in the eye usually it is 2.6mm
  • Does not require stitches
  • Very short healing time upto 4-5 days only
  • Chance of infection minimal.

Patients who undergo cataract surgery now also have options for ‘upgrades’ for intraocular lenses that have never been available in the past.

Foldable Lenses (IOL)

Are either MONOFOCAL or MULTIFOCAL.

Monofocal Lenses (IOL)

Are designed to provide patients with enhanced distance vision but typically patients still require the use of glasses for near vision.

A Monofocal lens implant can fix your vision for one distance only. The implant can not change shape like your original lens. Thus, the patient has no ability to focus in or out and the patient will often be dependent on progressive bifocals for near vision.

Multifocal Lenses (IOL) : Have Two Options

  • Have revolutionized existing state-of-the-art cataract surgery. Multifocal IOL helps to achieve the ultimate goal of INDEPENDENCE from glasses.
  • A multifocal intraocular lens has both distance and near focal points. 80% of patients who get these lenses will never need glasses for any activity. Of those 20% of patients who need glasses for certain activities, 95% say that they would still get the bifocal lens because it gives them good vision for most activities at distance or near.

Diagram of MFIOL : Zeiss, Acrysof Restor etc.

There are 2 types namely Bifocal and the more recently introduced Trifocal Lenses. As the name suggests, the Bifocal Intraocular Lenses correct for 2 aspects of vision – distance and near. This lens may produce night-time glare and/or haloes around light in a small amount of people. The patient may require glasses when using the computer use, driving, etc. Trifocal Lenses correct for distance, intermediate and near vision, however reduced contrast sensitivity maybe a concern in a smaller subset of patients.

There are multiple tests to be done to evaluate the cornea and retina prior to deciding what lens is best for you. Consult our Doctors to get more information on the same.
 
Types of IOL

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For Further Information or Query

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