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Bascom Palmer Eye Institute

Research Cores » Ocular Microbiology

Top Ocular Pathogens

Jauary – September 2006

Top Ten Ocular Pathogens
2000-2005 		Number of
Isolates 		%
of Isolates 		Rank Number %
1. Staphylococcus aureus 983 21.7 2 155 15.5
2. Pseudomonas aeruginosa 696 15.3 1 160 16.0
3. Haemophilus influenzae 218 4.8 8 20 2.0
4. Streptococcus viridans group 195 4.3 7 21 2.1
5. Fusarium species 187 4.1 3 93 9.3
6. Serratia marcescens 175 3.9   34 3.4
7. Coagulase Negative
Staphylococci 		163 3.6 4 47 4.7
8. Streptococcus pneumoniae 153 3.4 5 29 2.9
9. Candida species 128 2.8 6 27 2.7
10. Propionibacterium acnes 117 2.6 12 11 1.1
Total Isolates (N=4538) 3015 66.4 N=1000 597 59.7
Top Five Cornea Isolates
2004-2005 		Number of
Isolates 		%
of Isolates 		Rank Number %
1. Staphylococcus aureus 412 36.5 1 34 29.1
2. Haemophilus influenzae 162 14.3 2 13 11.1
3. Pseudomonas aeruginosa 82 7.2 2 13 11.1
4. Streptococcus pneumoniae 56 5.0 3 11 9.4
5. Streptococcus viridans group 39 3.4   3 2.6
Total Isolates N=1130) 751 66.5 (N=117) 74 63.2
Top Five Conjunctiva Isolates
2004-2005 		Number of
Isolates 		%
of Isolates 		Rank Number %
1. Pseudomonas aeruginosa 430 28.3 1 92 32.4
2. Staphylococcus aureus 214 14.0 3 27 9.5
3. Fusarium species 145 9.5 2 52 18.3
4. Serratia marcescens 62 4.1   7 2.5
5. Streptococcus viridans
group 		54 3.6   3 11
Total Isolates N=1519) 905 59.6 N=284 181 63.7
Top Five Five Vitreous Isolates
2004-2005 		Number of
Isolates 		%
of Isolates 		Rank Number %
1. Coagulase Negative
Staphylococci 		90 29.3 1 19 44.2
2. Candida species 28 9.1 2 4 9.3
3. Staphylococcus aureus 24 7.8 3 2 4.6
4. Propionibacterium acnes 21 6.8 3 2 4.6
5. Enterococus species 14 4.6   0 0
Total Isolates N=307) 177 57.6 N=43 27 62.8