Table 2

Factors predisposing to microbial keratitis

Predisposing risk factorNo of patients (n=98)%
Factors predisposing to microbial keratitis (n = 98 subjects). Sum of the percentages of patients with each risk factor does not add up to 100% because of overlap of subgroups.
Ocular surgery2929.6
Contact lens wear2525.5
Topical corticosteroid use2424.5
Ocular trauma2323.5
Previous herpes simplex keratitis1313.3
Dry eye77.1
Suture related77.1
Previous herpes zoster keratitis66.1
Trichiasis/entropion55.1
Multiple risk factors3333.7
No risk factors1515.3