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Medical Forum / General / Vision / January 2006question on contact lenses and olive oil
Hi: I just had salad dressing splash a small amount on my eye while wearing contacts. Is the lense going to be ruined or will it just be washed off when I clean them? Any answers are welcome. I love my contacts and can't affort to keep replacing them. Thanks Muffler Clean the lens with an alcohol based cleaner like Miraflow or Pliagel. This will remove the oil. dr grant Dr. Grant Thanks much. I haven't been using that stuff. I have been using the no rub cleaners. Would that do the same job? Thanks Muffler no. alcohol based cleaners can clean oil-based organic material better than no-rub cleaners. no-rub cleaners aren't very effective cleaning solutions but they are "good enough" for disposable contacts. > no. alcohol based cleaners can clean oil-based organic > material better than no-rub cleaners. no-rub cleaners > aren't very effective cleaning solutions but they are > "good enough" for disposable contacts. What do you think of Optima ESC? And will this take care of most everything? I use that to rub my XO(?) RGPs at night, rinse with tap water and soak in Unique PH overnight to sterilize. Seems that I get crud on my lenses from my eyes so I use the ESC every night. -Quick I couldn't tell you about that, but I now have changed to 1 step solutions for RGP's due to the prevalence of acanthamoeba, especially as many of my patients are on tank water. I use Menicon Menicare and Progent monthly, the Progent eliminates everything from the lens surface, better than polishing. dr grant Catman X: You said that the alcohol based cleaner will work on the olive oil. Do you mean on soft lenses or RGPs. I have soft lenses? Thanks Stew Yes soft lenses. dr grant > I couldn't tell you about that, but I now have changed to 1 step > solutions for RGP's due to the prevalence of acanthamoeba, especially [quoted text clipped - 4 lines] > > dr grant For Dr. Grant: FYI, doc: Here in the USA, Miraflow contains alcohol and Pliagel, the same surfactant, does not. Also Progent is not available to patients, only practitioners for in-office use. Menicare is likewise unavailable to patients. PS: Do you have any experience with the Menifocal RGP? It's not available here, but perhaps soon. For Stew: Miraflow is fine for your soft lenses with two little exceptions: If it's made Proclear's omafilcon material or hioxifilcon A material, limit contact time with the cleaner to 10 seconds and rinse thoroughly with saline or you could damage the lens. (If you notice the lens shriveling up, you've been there too long!) LB, O.D. >PS: Do you have any experience with the Menifocal RGP? It's not >available here, but perhaps soon. FYI- Received on 12/20/05 from Kaz Murakami, President, Menicon America: ==== We plan to conduct a test marketing of the Menifocal Z at limited doctor sites in the Q2-3 of 2006 in the US and, then, we expect to launch it officially late next year. ==== I'm interested. The docs in Aus reported some good things: ==== Clinical Vision Research Australia (CL, SAG, CAW), Victorian College of Optometry, and Department of Optometry and Vision Sciences (CL, CAW), University of Melbourne, Melbourne, Australia. PURPOSE.: The Menifocal Z is an alternating vision, concentric, bifocal gas-permeable (GP) contact lens; center distance is connected to near periphery by a smooth transition zone. The lens is produced using tisilfocon A (Menicon Z material), which is approved for up to 30 days of continuous wear (CW). The aim of this study was to evaluate the clinical performance of the Menifocal Z when worn for up to 30 days of CW for 6 months. METHODS.: Thirty-five existing GP lens wearers were enrolled in the study. Subjects were fitted with Menifocal Z lenses and follow-up visits were conducted after 2 weeks of daily wear and 1 day, 1 week, 6 weeks, 3 and 6 months of CW. A range of objective and subjective clinical performance measures were assessed, including distance and near visual acuity, the physiological response to CW, and subjective evaluation of vision and comfort. RESULTS.: Twenty-seven subjects (77%) completed the study and eight (23%) discontinued: five (14%) as a result of lens-related problems (four vision, one comfort) and three (9%) as a result of non-lens related reasons. Average CW time achieved by the subjects was 22 +/- 2 days. Mean binocular logarithm of the minimum angle of resolution (logMAR) acuities at 6 months were: high contrast distance 0.03 (20/20-), low contrast distance 0.63 (20/80-), and high contrast near 0.26 (20/25, N4). Adverse responses and lens binding were minimal, and there were no significant increases in corneal staining, corneal vascularization, or superior palpebral conjunctival papillae over time (p > 0.05). Problems with night vision (distance and near) with the lenses were the most common difficulties reported by the subjects. CONCLUSIONS.: The Menifocal Z appears to be a promising option for presbyopic vision correction, providing successful correction of distance and near vision in a group of experienced GP lens wearers. The hyper Dk tisilfocon A (Menicon Z) material allowed for safe wear of the lenses on a CW basis.  SignatureLive simply so that others may simply live |
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