It is important to be able to measure the range of clear focus in clinical practice to advise on
presbyopia correction techniques and to optimise the correction power. Both subjective and …

Objectives To assess the visual performance of multifocal contact lenses (MFCLs) with high
addition powers designed for myopia control. Methods Twenty-four non-presbyopic adults …

Background: This study aims to evaluate subjective visual fatigue and objective optical and
morphological changes in ocular structures after intermediate-duration reading on an iPad …

Background Refractive errors are common eye disorders affecting people of all age groups
worldwide. Aim To determine the prevalence and determinants of refractive errors among …

Abstract MALULEKE, Khisimusi D.; HASROD, Nabeela and RUBIN, Alan. Refractive errors
and the uniform patient fee scheme at a public hospital in South Africa. AVEH [online]. 2024 …

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 …

Purpose: To compare the outcomes of corneal collagen cross-linking (CXL) for the treatment
of progressive keratoconus using 2 different techniques for epithelial removal: transepithelial …

Background Advancements in ophthalmic surgery now hinge on intricate interplays among
ocular parameters. Angle kappa, measuring deviation between visual and pupillary axes, is …

Algorithms for wavefront sensing and error correction from intensity attract great concern in
many fields. Here we propose Bayesian optimization to retrieve phase and demonstrate its …

We report an 18-year-old male patient with a progressive diminution of vision in both eyes.
On examination, he had bilateral anterior lenticonus and sensorineural hearing loss. Slit …