期刊
OPTOMETRY AND VISION SCIENCE
卷 93, 期 8, 页码 963-972出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/OPX.0000000000000928
关键词
contact lens; protein deposition; lens care solutions; lysozyme
资金
- Johnson and Johnson Vision Care, Inc., Jacksonville, Florida
- Alcon
- Allergan
- Bausch + Lomb
- Johnson & Johnson Vision Care
- Menicon
- CooperVision
- Sauflon Pharmaceuticals
- Essilor
- Ultravision
- Advanced Vision Research
- AlgiPharma
- CIBA Vision
- Ocular Dynamics
- Oculus
- Ocusense
- TearScience
- Visioneering Technologies
Purpose. To evaluate the effect of four contemporary lens care solutions on total protein, total lysozyme, and active lysozyme extracted from three contact lens materials. Methods. Adapted contact lens wearers were recruited at three sites, and all subjects were randomly assigned to daily wear of either etafilcon A, galyfilcon A, or senofilcon A for 2 weeks. Four lens care solutions (Biotrue, OPTI-FREE PureMoist, RevitaLens OcuTec, and ClearCare) were used by each subject in random order with a new pair of lenses after a washout period between solutions of at least 4 days. After 2 weeks of daily wear, contact lenses were collected for analysis. Proteins were extracted from a subset of contact lenses (n = 568) and total protein, total lysozyme, and lysozyme activity were quantified using a modified Bradford assay, an enzyme-linked immunosorbent assay, and a micrococcal assay, respectively. Results. Higher levels of total protein were extracted from etafilcon A when used with Biotrue compared to other solutions (p = 0.0001). There were higher levels of total lysozyme extracted from galyfilcon A lenses when used with PureMoist than with Biotrue or ClearCare (p < 0.006). Higher total lysozyme was extracted from senofilcon A when used with RevitaLens OcuTec compared to Biotrue (p = 0.002). Lower lysozyme activity was recovered from senofilcon A lenses with RevitaLens OcuTec when compared to all other care solutions (all p < 0.004). When Biotrue, PureMoist, or RevitaLens OcuTec were used, higher total lysozyme was extracted from galyfilcon A compared to senofilcon A(p < 0.01). When RevitaLens Ocu Tec was used, higher levels of active lysozyme were extracted from galyfilcon A compared to senofilcon A (p = 0.02). Conclusions. The ability of lens care solutions to remove protein from lenses varies depending upon the care solution composition and also the polymeric make-up of the contact lens material.
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