J Korean Ophthalmol Soc.
1990 Jun;31(6):739-745.
Gas-Liquid Chromamgraphic Analysis of Residual Ethylene Oxide and MMA Monomer in Various lntraocular Lenses
- Affiliations
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- 1Dept of Ophthalmology, Medical School, Chung Ang University , Korea.
- 2Chemical Analysis Laboratory, Korea Institute of Science and Technology, Korea.
Abstract
- Recently, we performed an ezperi nlent to detect residual ethylene oxide(EO) gas and methylmethacrylate(MMA) monomer in the intraocular lenses from eleven different makers using gas-liquid chromatography. The residual EO gas over 25ppm was seen in 2 makers and also the MMA monomer over 2% was present in two makers. As a result, we recommend that the precise product quality-control of the IOLes is necessary especially for the lenses from foreign manufacturers.
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