... letters and the nochange group (p < 0.01). The association between visual acuity and HRQLResults of GLMs examining the link between best eyeETDRS visual acuity and the VFQ-25 are presented ... follow-ing the guidelines proposed by Cohen [33]. The primary analyses focused on the link between visual acuity (i.e., ETDRS) and HRQL (i.e., the VFQ-25 and to alesser extent, the SF-36) over ... for age, gender, and baseline visual acu-ity. In these models, the change group is a five-level inde-pendent variable. Age and baseline visual acuity arecontinuous covariates, and gender is a...