Prevalence of color vision deficiency among Chinese college students and their quality of life

AIM: To investigate the prevalence of color vision deficiency (CVD) among college students and their quality life (QoL) in a Chinese college. METHODS: This cross-sectional study was performed Sichuan University Chengdu, China. The questionnaire containing participants' demographic data, as well CVD related QoL distributed to who were screened [by Color Vision Examination Plates (Version 6)] 2022 freshman entrance examination. blindness (CBQoL) utility analysis used evaluate students. RESULTS: There 381 17 303 (2.20%) CVD, including 368 (4.11%) males 13 (0.16%) females. A total 317 completed questionnaire, response rate 83.20%. Only 166 participants (52.3%) knew they have before physical examination for examination, while 145 (45.74%) hoped be diagnosed earlier. medians CBQoL score 5.85 (range 2.2-6) 1 0-1), respectively. proportions whose is affected by 67.63% (211/312) 42.27% (134/317) measured CONCLUSION: much higher than that time when first became aware relatively late. population quite high, large proportion students' are CVD. It suggested congenital defect, screening China should earlier, appropriate guidance support needed patients help them better adapt life, study, work.