Colour Vision Deficiency and Consanguinity in Pakistani Pukhtoon Population

Background: Color vision deficiency is an X-linked recessive condition. This is more common among males as compared to females. This inherit from maternal grandfather to grandson usually. This study was aimed to find prevalence of color vision deficiency and consanguinity in Pukhtoon population of Pakistan.Methods: Three hundred and fourteen (314) high school individuals of both genders were screened for color vision deficiency using pseudoisochromatic Ishihara Plates. Consanguinity of parents were also recorded. Frequency of color vision deficiency over entire sample was used to calculate prevalence. Chi-square is used to see association between color vision deficiency and consanguinity.Result: Prevalence of CVD among males and females were 5.32% and 2.06%. Prevalence of consanguinity among parents of participants were 73.9%.Conclusion: Study showed prevalence of CVD among males as comparable to already reported but among females the rate is relatively higher. Rate of consanguinity among study population is also higher than previously reported ones.Keywords: Color vision deficiency; consanguinity; Pukhtoo