Tag Archives: colour blindness

Incidence of colour blindness among university students in port harcourt.

INCIDENCE OF COLOUR BLINDNESS AMONG UNIVERSITY STUDENTS IN PORT HARCOURT. ABSTRACT Colour blindness testing was done using the Ishihara test chert (1980 Edition) is 1,000 randomly selected male and female University student in Port Harcourt, River state Nigeria. 7.5% of the total number of subjects were found to be colour-blind out of …

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