The effect of caffeine on pupil size and accommodation

Twenty-two young and healthy participants were recruited in this study. The authors showed that pupil size increased as a result of caffeine consumption. A more stable (lower variability of accommodation) accommodative response (AR) was induced by caffeine intake, whereas the...

Self refracting – child’s play?

Uncorrected refractive error was the leading cause of vision impairment in the world in 2010. Although refractive error may be safely and effectively corrected with spectacles, lack of well-trained refractionists in settings of limited resources may be a major barrier....

Vision measurements vs. self-rating

The aim of this study was to evaluate the association between self-rated vision status and tests of visual acuity, contrast sensitivity, stereoacuity, bilateral visual field and self-reported visual function in specific domains of near and far vision. The goal was...