Frequency of color blindness in pre-employment screening in a tertiary health care center in Pakistan

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

Ocular manifestation, complications and aetiological factors in Stevens Johnson syndrome/toxic epidermal necrolysis

To describe the ocular manifestations of Stevens-Johnson Syndrome/Toxic Epidermal Necrosis among inpatients at a tertiary care hospital. The retrospective observational descriptive study was carried out at the Aga Khan University Hospital, Karachi, and comprised data on age, gender, aetiology and ocular findings related to patients diagnosed with Stevens-Johnson Syndrome/Toxic Epidermal Necrosis between January 2000 and December 2011. SPSS 19 was used for statistical analysis. There were 87 patients; 48[55.2%] of them being males. The overall mean age was 33.2 +/- 22.2 years, ranging from 1 month to 84 years. The most common aetiology was idiopathic 20[23%] followed by non-steroidal inflammatory drugs and anti-epileptics 11[12.6%] each. Besides, 84[96.6%] patients had oral mucosal involvement whereas 45[51.7%] had ocular and 27[31.0%] had genital-mucosal involvement. Glassroding was performed in 16[18.4%] patients due to minor conjunctival adhesions. Ocular manifestations of varying severity were frequent, with drugs being the most common aetiology