RESUMO
Background: This study was carried out to assess colour vision in school children and to detect colour blindness
Material and Method: Colour vision in 1115 school children [595 males and 520 females] of Multan was assessed with the help of Ischihara's charts. Their ages ranged between 6 to 12 years
Results: Colour blindness was present in 5.4% [30] of the male children and 0.02% [1] of the female children studied. Red-green colour deficiency in male children was 2.19% [13] while no school girl was redgreen colour deficient. Total colour blindness was found in 2.86% [17] males and in 0.02% [1] of the female children
Concluslon: It is concluded that an appreciable number of school children has colour blindness and it is much more common in males as compared to female school children