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. 2007 May 2;91(10):1265–1268. doi: 10.1136/bjo.2007.116897

Table 2 Eye medications and contamination (n = 101).

Eye medication Number tested Contaminated Tip contaminated Tip/drop contaminated Drop contaminated Contaminants
Mydriatics 56 4 (7%) 3 (5%) 1 (2%) Haemophilus spp, Bacillus spp, Micrococcus spp, Staphylococcus epidermidis
Tetracaine 10 1 (10.0%) 1 (10.0%) Micrococcus sp
Antibiotics 18 0
Steroids 14 1 (7%) 1 (7%) Gram negative rod
Others 3 0
Total 101 6 (6%) 5 (5%) 1 (1%)