Fig. 4From: Blepharoptosis among Korean adults: age-related prevalence and threshold age for evaluationThe cutoff age for recommending blepharoptosis evaluation was 66 years in the total population, 63 years in males, and 71 years in females. The cutoff age used in the prediction of blepharoptosis was defined as the point of largest statistical values using the Rao-Scott chi-square testBack to article page