Cataract: what is an IOL and how to choose the right one

12 April 2023, 02:47 | Health 
фото с e-news.com.ua

Cataract is one of the most common and insidious diseases among people over 50 years of age..

Hundreds of lens replacement surgeries are performed daily by specialists.. Doctors shared all the subtleties of choosing the optimal lens.

The disease is characterized by clouding of the lens of the eye.. Gradually, vision deteriorates, fog appears before the eyes, the features of objects become fuzzy, and the colors become cloudy.. The only way to get rid of cataracts is phacoemulsification surgery, that is, replacing the natural lens with an artificial one (IOL).

So what are the lenses?

Soft and hard Rigid lenses date back to the early days of cataract surgery. Now it is very rare to meet them, they are placed only in patients who are contraindicated in ultrasound intervention.. Mostly soft lenses.

Monofocal and multifocal The lens is essentially like a lens, their optical properties are also similar Monofocal lenses help to see into the distance. And near vision will have to be corrected with the help of glasses..

If this does not suit you, you can choose multifocal lenses. A worthy replacement for the natural lens.

If the situation is complicated by astigmatism, there is also a way out. In this case, multifocal toric IOLs are suitable..

They have a special shape - they have a built-in cylinder that compensates for the irregular shape of the cornea.. Thus, two problems are solved. You don't even need corrective glasses..

Spherical vs. AsphericalSpherical lenses refract light differently at the center of the lens and around the edge. The light is scattered, the picture seems fuzzy, like an overexposed photographic film. In an aspherical IOL, light is refracted equally across the entire area of \u200b\u200bthe lens.. They are more expensive but preferred..

Aspherical design lens gives:.

quality image;

better color reproduction and picture contrast;

minimal risk of glare (glare) in the dark.

Such lenses are suitable for those who work at night or drive a car in the dark..

Which lens to put in case of cataract, it is better to decide in advance, study the information, and go to the appointment at the ophthalmological center prepared, with a list of questions. Only after a thorough comprehensive diagnosis, the doctor will tell you which lens is better for cataracts in your particular case.. The choice is up to the patient. Depending on his profession, hobby, activity and financial capabilities, he will choose those IOLs that will give him clear vision and a qualitatively new standard of living..

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