Home 2018 - Volume 18 (1) PREVALENCE OF CONGENITAL COLOUR VISION DEFICIENCY AMONG SECONDARY SCHOOL MALE STUDENTS IN ALMADINA ALMUNAWARA (SAUDI ARABIA)
PREVALENCE OF CONGENITAL COLOUR VISION DEFICIENCY AMONG SECONDARY SCHOOL MALE STUDENTS IN ALMADINA ALMUNAWARA (SAUDI ARABIA) PDF Print E-mail
Saturday, 12 May 2018 22:31

 

The aim of this cross-sectional study is to determine the prevalence of congenital colour vision defects among male secondary school students in Al-Madinah Al-Munawara city, Saudi Arabia. A total of 1154 male secondary school students were selected randomly through a multi-stage sampling method. Ishihara 24-plates was used to screen for colour blindness. The overall prevalence of congenital colour vision defects was 3.3% with 1% protanopes and 2.3% deuteranopes. The prevalence of congenital colour vision defect among Saudis was 2.48% and (5.48%) among non-Saudis. In conclusion, the prevalence of congenital colour vision defect among male secondary school students of Al-Madinah Al-Munawara city is comparable to previously reported in central Saudi Arabia, but lower than for Caucasian.

Key words: congenital, colour vision deficiency, Ishihara colour testing, prevalence, Saudi Arabia, protanopes, deuteranopes.

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Last Updated on Saturday, 12 May 2018 22:35