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Cellular debris present on contact lens surfaces after cleaning with each bacteria/solution combination. Residual bacteria and debris were stained with BacLight. Viable bacteria (green), nonviable bacteria and extracellular DNA (red). (A–D) Lenses inoculated with S. aureus. (E–H) Lenses inoculated with S. maltophilia. (I–L) Lenses inoculated with P. aeruginosa. (MP) Lenses inoculated with S. marcescens. Scale bar: 20 μm.
