Dichromacy: Color Vision Impairment and Consanguinity in Heterogenous Population of Pakistan Journal title: The International Journal of Frontier Sciences Authors: Muhammad Shoaib Akhtar, Muhammad Aslamkhan, Mian Sahib Zar, Asif Hanif and Abdul Rehman Haris Subject(s): Biological Sciences, Medicine, Dentistry and Oral Surgery, Nursing, Health and Wellness