Binjhwars a Dravidian tribe and is considered to be an offshoot of the Baiga of Mandia and Balaghat district. In the present study the Incidence of colour blindnees among three engogamous groups of Binjhwars have been recorded. The present investigationwas carried out on 240 Binjhwars of Brule Blnjhwars (130 males and 110 females), Saunjharas (90males and 100 females) and 21 O in Binjhwars (110 males and 100 females) with the help of Ishihara Charts. The incidence of colour blindness were absent in all the three groups in females whereas in males, the highest frequency was observed among the Bade Binjhwars (5.38%) followed by Saunihars (2.22%). On the whole, low incidence of colour blindness was observed. The three groups of Binjhwars show a non-significant difference with-respect to the incidence of colour vision defect. The present populations were also compared with other tribal groups of Madhya Pradesh (reported by different investigators). All the three sub-groups of Binjhwans did not show significant difference with any other tribal groups of Madhya Pradesh except with the Bhatra, Muria, Dhurwa and Gond.
Cite this article:
Guha (1992). Incidence of colour blindness among three groups of Binjhwars of Chhattisgarh. Journal of Ravishankar University (Part-B: Science), 5(1), pp.17-21.