Prevalence of Color Vision Deficiency in Qazvin

Background: color vision deficiency (cvd) is an x chromosome-linked recessive autosomal dominant. determine the prevalence of color blindness in qazvin population.materials and methods: in a cross sectional study color vision deficiency examined in 1853 individuals with age 10-25 years old who participated in private clinics and eye clinic of bu-ali hospital in qazvin in 2010. the screening of color vision deficiency was performed using ishihara test. data were analyzed by spss-16 with ?2 test with p < 0.05.results: mean age of participant was 17.86±4.48 years. 59.5% of them were female. 3.49% of the total population had color vision deficiency that 0.93% and 2.56% were female and male respectively.conclusion: color vision deficiency must be noticed by decision makers in health field for screen planning.