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The Sofclear Enhance, Colors, and Comfort (methafilcon A) contact lenses for daily wear are indicated for the correction of refractive error in aphakic and not aphakic persons with non-diseased eves with myopia or hyperopia. The lens may be worn by persons who exhibit refractive astigmatism of 0.75 diopters or less where the astigmatism does not interfere with visual acuity. The lens is available clear or tinted and may be used to enhance or alter the apparent color of the eye.

Daily wear replacement schedules may vary from patient and should be decided by eye care practitioners in consultation with their patients.

Eye care practitioners may prescribe any of the above lenses for frequent/planned replacement wear, with cleaning disinfection and scheduled replacement. When prescribed for frequent/planned replacement wear, the lens may be disinfected using a chemical disinfecting system.

Eye care practitioners may prescribe any of the above lenses for single use daily disposable wear. When prescribed for daily disposable wear the lens is to be discarded after each removal.

The Sofclear Enhance, Colors, and Comfort (methafilcon A) Daily Wear Contact Lenses are hemispherical shells with molded spherical base curves and molded front surfaces. The hydrophilic characteristics allow aqueous solutions to enter the lenses are fabricated from methafilcon A, which is a hydrophilic copolymer of 2-Hydroxyethyl methacrylate (2-HEMA) and methacrylic acid, cross-linked with ethylene glycol dimethacrylate (EGDMA), plus an initiator. The co-polymer consists of 45% methafilcon A and 55% water by weight when immersed in saline solution. The (methafilcon A) name has been adopted by the United States Adopted Names Council (USAN).

The Sofclear Enhance (methafilcon A) Daily Wear Contact Lenses are available tinted to enhance or alter the apparent color of the eye. The lenses are tinted with one or a combination of one or more of the following 'listed' color additives: Reactive Blue 21, Reactive Blue 19, Reactive Yellow 86.

The Sofclear Colors (methafilcon A) Daily Wear Contact Lenses are available printed to enhance or alter the apparent color of the eye. The lenses are printed with one or a combination of one or more of the following 'listed' color additives: Red Iron Oxide, Violet 23, Titanium Dioxide, Chromium Oxide Green, Blue 36.

The Sofclear Comfort (methafilcon A) Daily Wear Contact Lenses include a tint (1,4-Bis[4-(2methacryloxyethyl)phenylamino]-9,10-anthraquinone) in the composition of the lens for ease of handling and visibility.

The Sofclear Enhance, Colors, and Comfort (methafilcon A) Daily Wear Contact Lenses incorporate a UV absorbing monomer. The lenses block >88% in the UVB range (280mm - 315nm), and >68% in the UVA range (316nm - 380nm).

The Sofclear Enhance, Colors, and Comfort (methafilcon A) Daily Wear Contact Lenses will be manufactured in the spherical design configuration.

This document describes the pre-market notification (510(k)) for Gelflex Laboratories' Sofclear Enhance, Sofclear Colors, and Sofclear Comfort (methafilcon A) Daily Wear Contact Lenses. The submission asserts substantial equivalence to existing predicate devices.

1. Table of Acceptance Criteria and Reported Device Performance

The document does not explicitly present "acceptance criteria" in a typical quantitative clinical performance metric sense (e.g., sensitivity, specificity for a diagnostic device). Instead, it demonstrates performance by comparing physicochemical and mechanical properties to the predicate devices and by demonstrating safety through non-clinical testing. The "acceptance criteria" appear to be meeting established standards for contact lenses and comparability to predicates.

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