The most fundamental aspect of a contact lens is its optics; the manner in which the
refraction of light is managed to optimise vision to the clinical benefit of the lens wearer. This …

Advances in contact lens technology over the past 50 years since the commercialisation of
the first soft lenses in 1971 have been incredible, with significant changes in contact lens …

Purpose To investigate whether optical quality could be improved by cylindrical correction
for low astigmatic eyes with different amounts and axis orientations in patients with myopia …

Purpose This study investigates how both the peripheral zone design and corneal shape
affect the behaviour of soft contact lenses on-eye. Methods In this study, soft contact lenses …

Purpose The present study aimed to estimate how orientation position, recovery time, and
contact lens decentration, associated with visual performance, may vary on several designs …

Objectives: To evaluate the optical quality of different toric contact lens (CL) designs and
compare their on-eye visual correction performance. Methods: Twenty soft CL wearers aged …

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The concept of orthonormal polynomials is revisited by developing a Zernike-based
orthonormal set for a non-circular pupil that is transmitting an aberrated, non-uniform field …

Background The purpose of this study is to investigate and compare spectacle and contact
lens (CL) prescription trends, with an emphasis on astigmatic refractive error prescribing …

Purpose The aim of the study was to evaluate the objective and subjective visual
performance of custom toric contact lenses (TL) and their spherical off-the-shelf counterparts …