PLoS ONE (Jan 2021)
Sleep and subjective happiness between the ages 40 and 59 in relation to presbyopia and dry eye.
Abstract
PurposeThe aim of this study was to explore the status of quality of life between the ages 40-59 in relation to presbyopia and dry eye.MethodsNear add power and preferred contact lens power were examined in 219 participants at three clinics. 2000 participants completed a web-based survey on presbyopic symptoms, symptomatic dry eye, sleep quality, and subjective happiness.ResultsMean preferred corrected visual acuity was less than 20/20 in women (vs men, PConclusionPresbyopia and dry eye were significantly associated with sleep quality and subjective happiness in middle-adulthood.