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[In vitro adherence of bacteria to intraocular lenses of different materials]
1Department of Ophthalmology, Affiliated Second Hospital, Zhejiang Medical University, Hangzhou 310009.
Objective:
To compare the in vitro adherence of different bacteria onto the surface of various intraocular lenses (IOLs).
Method:
Electron microscopic and bacterial culture quantitative methods were used to study the adherence of Staphylococcus (S) epidermidis, Staphylococcus aureus and Pseudomonas (P) aeruginosa onto the surface of PMMA and other three foldable IOL materials (HEMA, ACRY, SI).
Results:
S. Epidermidis: HEMA < ACRY < SI < PMMA; S. aureus: HEMA was the least and PMMA was the most, no significant difference between ACRY and SI IOLs; P. aeruginosa: HEMA was the least while no significant difference among PMMA, SI and ACRY IOLs (P > 0.05).
Conclusion:
The foldable IOLs have the potent ability to reduce the infectious endophthalmitis after surgery of extraction of cataract with IOL implantation.