Background Many patients voice concerns regarding poor night vision, even when they see
20/20 or better in the exam room. During mesopic and scotopic conditions the pupil size …

Purpose: Night myopia is discussed to be a possible reason of vision problems in dark light
conditions. The aim of this study was to investigate whether quality of vision in twilight or …

Purpose. The purpose of this study was to determine how optometric practitioners modify the
subjective refractive result when prescribing spectacles. Methods. Refractive data were …

Aim: To determine whether UK optometrists routinely prescribe the subjective refraction
result, or whether adjustments are made to aid patient comfort and adaptation. Method: A …

A study was conducted with 115 subjects who regularly drove at night to validate a refraction
protocol for detecting refractive visual changes from daytime to nighttime conditions …

Purpose We investigated the effect of luminance on refraction and visual function under
twilight conditions. Methods Twenty young adults (mean age 20.5±0.5 years) without ocular …

Purpose: To investigate the reproducibility of the sphero‐cylindrical prescriptions provided
by 40 optometrists. Methods: Forty registered optometrists were randomly selected from the …

Although experiential prescribing maxims are quoted in some optometric textbooks their
content varies significantly and no direct research evidence was available to support their …

PURPOSE: To investigate mesopic contrast sensitivity and night driving ability in eyes
undergoing overnight orthokeratology, and to analyze the relationship among mesopic …

Purpose: To evaluate the clinical performance of a meridional subjective refraction method,
that requires relatively simple equipment, consisting minimally of spherical lenses and …