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Intraocular lenses

The material has been prepared by

Dr. Elena Belikova, Ph.D.

What is an artificial lens (IOL)?

Artificial lenses or intraocular lenses (IOLs) are implanted (inserted) into the patient's eye instead of a natural lens for the treatment of cataracts. In this case, the cloudy lens is removed from the capsule using ultrasound, water and vacuum, and in its place is placed artificial - transparent. IOLs do not change their properties for a hundred years.

Artificial lenses are made from inert materials that do not cause rejection reactions (for example, PMMA, silicone and acrylic). Like a natural crystalline lens, an artificial lens has a refractive power that helps focus light rays and the image on the retina. Thanks to this ability of artificial lenses, correction of myopia, hyperopia, astigmatism, presbyopia became possible. 

Implantation of artificial lenses 

Doctors of the Eye Clinic Dr. Belikova offer patients a choice of IOL from leading manufacturers. We select the lens most suitable for you from seven categories. 

The first category (hydrophilic white) 

AKREOS AO IOL - Baush & Lomb (USA) and I-flex (Germany) - white lenses that have an ultraviolet filter, but lack a yellow filter to protect the retina. The disadvantage of intraocular lenses of the first category is that they do not allow you to completely get rid of glasses - you will need glasses for distance or near vision.

The second category (spherical hydrophobic white) 

AcrySof SA IOL - ALCON (USA) is made of hydrophobic acrylic - a material resistant to opacification of the posterior lens capsule. As well as the IOL of the first category, AcrySof SA do not have a yellow filter and require additional spectacle correction.

The third category (spherical yellow) 

Artificial lenses of the American manufacturer ALCON AcrySof Natural are equipped with a yellow filter, which means that they protect the retina from damage more reliably. To refuse glasses for good vision into the distance or in the vicinity, unfortunately, will not succeed.

Fourth category (aspherical hydrophobic yellow and white) 

Four IOLs are classified in the fourth category: Aspira - HumanOptics (Germany), CT ASPHINA - Carl Zeiss (Germany), Hoya 251 (Japan), AcrySof IQ - ALCON (USA) and Tecnis ZCB00 - Abbott (USA).  All of them give high-quality image and color reproduction, but require additional amplification of vision near or into the distance with the help of glasses.

Fifth category (toric) 

Artificial lenses AcrySof IQ Toric (hydrophobic, yellow) - Alcon (USA) and AT Torbi (hydrophilic white) - Carl Zeiss (Germany) allow the patient to get rid of glasses in case of astigmatism, but still require additional "amplification »Glasses for a clear image of objects in the distance or near, depending on individual characteristics.

The sixth category (two-focus and two-focus toric) 

AcrySof IQ RESTOR IOL (hydrophobic, yellow) - ALCON (USA), Tecnis ZMB00 (hydrophobic white) - Abbott (USA) and AT LISA (hydrophilic, white) - Carl Zeiss (Germany) form a clear image at any distance. The patient no longer needs glasses in ordinary life, but sometimes they may be needed to work with a computer.

Seventh category (three-focal and three-focal toric) 

The seventh category includes the most modern types of multifocal lenses - multi-focal trifocal lenses Acrysof PanOptix - ALCON (USA), toric Acrysof PanOptix Toric ALCON (USA) and AT LISA tri - Carl Zeiss (Germany).

The peculiarity of these IOLs is that they allow the patient to see equally well both in the distance and in the vicinity, and at medium distances with absolutely no glasses. Take a comprehensive examination of the organs of vision in the Eye Clinic of Dr. Belikova. We go with each patient his path in the clinic from the beginning to the end - from the first visit to full recovery and the maximum possible return of the level of vision.