Table 1.
Spectrum of bacteria implicated in contamination of lenses, slit lamps, ophthalmoscopy helmets, and ultrasound probes
| Bacterial contamination | Lenses | Slit lamps | Ophthalmoscopy helmets | Ultrasound probes |
|---|---|---|---|---|
| CNSA: median | 2 | 0 | 0 | 0 |
| CNSA: mean | 5 | 1 | 1 | 0 |
| CNSA: range | 0–71 | 0–3 | 0–2 | 0–1 |
| SA: median | 0 | 0 | 0 | 0 |
| SA: mean | 0 | 0 | 0 | 0 |
| SA: range | 0–7 | 0–3 | 0 | 0 |
| Micr.: median | 0 | 0 | 0 | 0 |
| Micr.: mean | 1 | 0 | 0 | 0 |
| Micr.: range | 0–36 | 0–1 | 0–1 | 0 |
| Aerob.: median | 0 | 0 | 0 | 0 |
| Aerob.: mean | 0 | 0 | 0 | 0 |
| Aerob.: range | 0–3 | 0–1 | 0–1 | 0–1 |
Aerob. aerobic bacteria, CNSA coagulase-negative Staphylococcus aureus, Micr. Micrococcus, SA Staphylococcus aureus