RESUMEN
Objective: To describe the frequency of color vision deficiency among Pakistani adults presenting for pre-employment health screening in a tertiary care hospital
Methods: The cross-sectional study was carried out at the Aga Khan University Hospital, Karachi, and the data was collected for color vision deficiency, age, gender, and job applied for from pre-employment examination during 2013-2014. IBM SPSS 20 was used for statistical analysis
Results: Three thousand four hundred and thirty seven persons underwent pre-employment screening during 2013 and 2014; 1837 [53.44%] were males and 1600 [46.65%] females. The mean age was 29.01 [+/-6.53] years. A total of 0.9% [32/3437] persons had color vision deficiency with male being 1.4% and female 0.4%
Conclusion: Color vision deficiency was observed in 0.9% of candidates screened for pre-employment health check up in a tertiary care hospital. The color vision deficiency was predominantly present in male individuals