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| Frequency 55 Aspheric |
| By eyeTopics Review Editor |
Published
03/30/2006
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Contact Lens Reviews , Monthly Disposable Contacts , CooperVision
| Unrated
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Frequency 55 Aspheric
Mildly astigmatic patients are given crisp, irritant-free vision when wearing Frequency 55 Aspheric contact lenses. For optimum comfort, Frequency 55 lenses are replaced with new lenses after one month, avoiding the buildup of pollutants that can irritate your eyes and cloud your vision. You will be able to locate your Frequency 55 disposable contacts in the Cleaning solution with ease because of the light tint that the lenses are infused with. Lens Material
The lens material methafilcon A , is a random copolymer of hyroxyethylmethacrylate and methacrylic acid. The lenses are tinted edge to edge for visibility purposes with the color additive, Reactive Blue No. 4. | Lens Parameters | | | Diameter: | 14.2mm to 15.0mm | | Base curve: | 8.0mm to 9.5mm | | Center Thickness: | 0.15mm to 0.60mm (varies with power) | | Powers: | -20.00 to +20.00D | | Multifocal Add Powers: | +0.50 to +4.00D | | Central Zone Diameter: | 2.3 to 2.6mm (D) | | | 1.7 to 2.0mm (N) |
Lens Properties | | | Light Transmittance: | >96% | | Water Content: | 55% | | Oxygen Permeability: | 19.7 x 10-11 (cm2/sec) (ml 02/ml x mmHg) at 35 degrees C (Fatt method for determination of oxygen permeability) |
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Frequency 55 Aspheric
For optimum comfort, Frequency 55 Aspheric lenses are replaced with new lenses after one month, avoiding the buildup of pollutants that can irritate your eyes and cloud your vision.
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