Background: The reported prevalence of colour vision deficiency in the world is 1 in 12 men (8%) and 1 in 200 women. The perception of colour is an integral part of clinical diagnosis, laboratory investigations and follows up of patients in the medical profession. We aimed to find the prevalence of colour vision deficiency (CVD) among medical students and identify the problems faced by them in their training. A cross sectional observational study conducted over 6 month’s duration in a medical college. Materials and Methods: 600 medical students aged 18-25 years were in included in this study. After obtaining informed consent, and a complete ocular examination, colour vision testing was done on Ishihara’s chart and students were asked to fill a questionnaire related to the problems faced by them during various stages of their training.Statistical analysis was done on JASP software. Categorical data was analyzed using Chi square test and a p < 0.50 was considered significant.