Abstract

SO.20.06

The dependency of different types of IOL implantation on the frequency of endophthalmitis development in cataract surgery

Khakimov A. M. 
St. Petersburg S. N. Fyodorov Eye Microsurgery Complex

Objective: It is well known that microorganisms are not all equal in their ability to adhere to different materials from which IOLs are made. To find the dependency between different types of IOLs and the frequency of acute infectious endophthalmitis after cataract extraction.
Methods: The research includes 39 cases with the acute postoperation endophthalmitis diagnosis, reviewed during the period from 1991 to 2007. They have been divided into groups depending on the types if IOL’s implants: T-26, T-19-PMMA with polypropylene gaptic (Moscow); T-26M PMMA with polypropylene gaptic (St. Petersburg); C-7 leicosapphire with tantalum gaptic (St. Petersburg); IOL from Alcon (USA) (lx10bd) – PMMA monobloc; AcrySof (single piece) acryl monobloc, AcrySof (multi piece) acryl monobloc with polypropylene gaptic. Statistical evaluation of the data has been performed using the Statistica 5.0 computer program employing non-parametrical methods of data analysis.
Results: After statistical data evaluation no positive differences have been revealed.
Conclusions: 1. Retrospective research showed no direct correlation between the IOL type and the frequency of endophthalmitis development in cataract surgery. 2. The different adhesive capability of microorganisms to the materials the IOLs are made from is not the major risk factor of acute infectious endophthalmitis development.

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