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A cataract is cloudiness of the lens of the eye. Trauma, among other reasons.drug-induced problems such as topical and systemic use of steroids; congenital, developmental and systemic diseases such as diabetes and arthritis – aging being the most common cause cataract formationCataract symptoms are blurred vision, blurred vision, hypersensitivity to bright sunlight, lamps or headlights, double vision, decreased night vision, and changes in color vision, says Karol, an ophthalmologist at Apollo Spectra Delhi. Dr. Sanjeev Taneja of Berg said.
Cataract surgery removes the eye’s natural lens. Cloudy“The lens is replaced with an artificial lens called an intraocular lens implant (IOL), which is placed as close as possible to the normal physiological position of the natural lens. can be worn,” said Dr. Taneja.
“Different types of IOLs are available with the aim of reducing reliance on glasses after surgery. IOLs can be made with different focusing powers, much like prescription glasses or contact lenses. , check with your doctor about the pros and cons of each type of replacement lensYour doctor will help you choose the best type for you, depending on your age, vision requirements, and other co-existing eye conditions,” explained Dr. Taneja.
Some types of IOLs to consider are:
monofocal intraocular lens
This type of intraocular lens is designed for nearsightedness or farsightedness. If you have this type of his IOL implanted in your eye, you may not need glasses for certain working distances. “For example, it is common for intraocular lenses to be chosen to provide better distance vision than intraocular lenses. myopiaSecond, spectacles are used for clear near vision and require no or minimal spectacles for distant vision,” Dr. Taneja said.
multifocal trifocal IOL
This type of intraocular lens design has rings for different focal powers and can focus on both near and far objects simultaneously, thus correcting both near and far vision. “The brain must learn to select the visual information needed to form images of near and far objects, so multifocal intraocular lenses may require some adjustments. Wearing an intraocular lens in both eyes may allow adaptation to a multifocal intraocular lens. lens Not an option for some people. This can be considered a premium lens, so it can be more expensive than a monofocal IOL,” he said, Dr. Taneja.
EDOF IOLs
Extended depth of focus lens A lens that provides sharp distance vision while at the same time providing nearly sharp near vision, better than single vision but less than multifocal/trifocal. “You may still need reading glasses, but less than you’d need with a single focus. It’s better than a multifocal because it doesn’t give you halo glare because you don’t have different focus rings.” says Dr. Taneja.
Toric IOL
This is a type of monofocal IOL that helps correct astigmatism. It can be considered a premium lens, so it can be more expensive than a single vision IOL.
According to Dr. Taneja, most people choose a far vision IOL over a near vision IOL and use glasses for clear near vision. “However, some people choose IOLs that improve near vision for reading and use glasses for distance vision. You may. monovisionIn monovision, an IOL in one eye provides better near vision and an IOL that provides better far vision is implanted in the other eye. Many people who try monovision can get used to it, but it’s not an option for everyone,” says Dr. Taneja.
He said one of the drawbacks of monovision is that each eye must function “more independently.”
“This can cause problems with depth perception. You may need to adjust your gaze more often to get one eye to see correctly. , can be customized according to the patient’s needs and the guidance of the ophthalmologist.Although a practical concept, monovision is not very popular. appropriate counseling Before we continue, we have to do it,” advised Dr. Taneja.
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