Fog-resistant sunglasses incorporating ventilation channels

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With moisture prevention or absorption

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351 41, G02C 1108

Patent

active

060506849

ABSTRACT:
Protective eyeglasses resistant to fogging while being worn by a wearer. The eyeglasses comprise a frame front which spans across the wearer's face and includes a forward side, an aft side, at least one middle portion extending over the wearer's eyes, and a pair of end piece portions near the wearer's temples. Attached to the middle portion of the frame front is at least one lens which is positioned over the wearer's eyes and defines front and back surfaces. Additionally, disposed within the frame front is at least one forwardly directed aperture which defines a ventilation channel for facilitating airflow through the frame front adjacent the lens. The ventilation channel defined by the aperture is sized and configured to facilitate the circulation of air over the back surface of the lens to resist the fogging thereof.

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