The study of the visual function and optical quality of the eye has become a fundamental aim
in the characterization of visual performance, especially in binocular vision, as this is our …

An important part of the information that we receive from the world is through the sense of
vision: the eye projects images on the retina, which transforms them into nerve impulses that …

Although second-order surface analysis, mainly mean power and cylinder maps, are
commonly used to characterize progressive addition surfaces (PAL), recently it has been …

Frontiers | Corrigendum: Possible risk factors of opaque bubble layer and its effect on high-order
aberrations after small incision Lenticule extraction Skip to main content Download Article …

Objective The study aimed to compare the visual performance of contact lenses with and
without negative spherical aberration (SA) over 5 days of wear. Methods At baseline, 32 …

A visual just noticeable difference (VJND) is the amount of change in either an image (eg a
photographic print) or in vision (eg due to a change in refractive power of a vision correction …

Objectives To assess the feasibility of fitting soft toric contact lenses (STCL) in corneal
ectasias and their impact on optical quality and visual performance. Methods A total of 22 …

The ability of the visual system to compensate for differences in blur orientation between
eyes is not well understood. We measured the orientation of the internal blur code in both …

El queratocono es un desorden, generalmente bilateral y asimétrico que cursa con un
adelgazamiento progresivo del espesor del estroma central y/o paracentral corneal y una …

En las últimas décadas, se vienen desarrollando lentes de contacto tóricas con diferentes
diseños, fabricadas con materiales biocompatibles de alta transmisibilidad al oxígeno …