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| PureVision is a trademark of Bausch & Lomb. References: 1. Harvitt DM, Bonanno JA. Re-evaluation of the oxygen diffusion model for predicting minimum contact lens Dk/t values needed to avoid corneal anoxia. Optom & Vis Sci 1999:76(10):713-719. 2. Sweeney DF. Clinical signs of corneal hypoxia with high Dk soft lens extended wear: Is the cornea convinced? Eye & Contact Lens 2003:29(1S):S22-S25. 3. Papas E. On the relationship between soft contact lens oxygen transmissibility and induced limbal hyperaemia. Experimental Eye Research 1998: 67:125-131. 4. Ghormley R. How Much Oxygen is Enough for Safe Lens Wear? Contact Lens Spectrum, March, 2005, 19. 5. Jones L, Senchyna M, Glasier MA, Schickler J et al. Lysozyme and lipid deposition on silicone hydrogel contact lens materials. Eye & Contact Lens 2003: 29(1S):S75-S79. 6. Jones, L. Corneal Staining Associated with Silicone Hydrogel Materials Used on a Daily Wear Basis with Renu and AOSEPT Care Regimens. American Academy of Optometry Annual Meeting in Hawaii, 2004. Available at www.aaopt.org. 7. Mueller NC, Central and Peripheral Corneal Thickness Changes in Individuals Wearing High and Low Dk/t Extended Wear Contact Lenses. Master’s Thesis. Department of Augenoptik at the University of Applied Sciences, Aalen, Germany, 2001. Brief statement of intended use: NIGHT & DAY lenses (lotrafilcon A) are indicated for daily wear or extended wear for up to 30 continuous nights. Warning: The risk of serious ocular complications is greater for extended wear as compared to daily wear of contact lenses and smoking increases the risks. The long-term risk of microbial keratitis has not been determined for this lens. Post-marketing studies are in progress. Precautions: Not all patients can achieve the maximum wear time of up to 30 nights of continuous wear. Patients should be monitored closely during the first month of 30-night continuous wear. The maximum suggested wearing time should be determined by the eye care professional based upon the patient's physiological eye condition because individual responses to contact lenses vary. Side effects: Infiltrative keratitis was reported at a rate of approximately 5% during the one-year US study of 1300 eyes. Other side effects included conjunctivitis, GPC, and lens discomfort, including dryness, mild burning, or stinging. Contraindications: The lens should not be used when an inflammation or infection of the eye is present, or when there is any disease or injury in or around the eye or eyelids. The lenses should not be used by individuals who have medical conditions that might interfere with contact lens wear. Consult the package insert for complete information about NIGHT & DAY lenses, available without charge from CIBA Vision Corporation at 1-800-241-5999 or cibavision.com. |
