Vision

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Vision

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Depending on the spherical aberration profile of the IOL and the patient's cornea, some intermediate vision may also be obtained.
The lens has three different focal parts: for near, far and intermediate vision.
The vision system consists of subsystems with the following basic functions: early vision (selection of local objects, intermediate vision (construction of global objects), and approximate qualitative classification of global objects selected at the intermediate stage.
To treat presbyopia, some surgeons have begun replacing the natural crystalline lens with implantable, variable-focus lenses that correct for near, distance and/or intermediate vision.
Both are multifocal lenses, meaning they offer correction of near vision, intermediate vision and far vision at once.
Good distance and near vision are well demonstrated in multifocal IOLs but intermediate vision is often variable, particularly in dim light.
8220;The TRULIGN Toric lens both reduces the negative impact of pre-existing astigmatism on postoperative vision and also imparts excellent distance and intermediate vision and functional near vision, all through a single surgical procedure,” said Dr.
The EuroKLEAR trial: Early results using an aspheric corneal inlay to improve near and intermediate vision in emmetropic presbyopes" was presented by Beatrice Cochener, M.

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