PURPOSE To investigate the effect of various presbyopic vision corrections on nighttime driving performance on a closed-road driving circuit. METHODS Participants were 11 presbyopes (mean age, 57.3+/-5.8 years), with a mean best sphere distance refractive error of R+0.23+/-1.53 DS and L+0.20+/-1.50 DS, whose only experience of wearing presbyopic vision correction was reading spectacles. The s...

Contributors: AH and DK designed, initiated, and coordinated the study. DP assisted with the design, interpretation, and direction of the study. FP collected the data and assisted with their analysis and interpretation. The paper was written jointly by AH, DK, DP, and FP. AH and DK are guarantors for this study. Funding: Cambridge and Huntingdon Health Authority. Conflict of interest: None. 1 F...