HEAD-WEARED DEVICES

Abstract

The invention relates to a head-worn device employing an optical lens assembly comprising five lens elements, the five lens elements being, in order from magnifying to reducing side: the first lens element, the second lens element, the third lens element, the fourth lens element, and the fifth lens element. Each of the five lens elements has an m-sided surface facing the magnifying side and an r-sided surface facing the reducing side. The m-sided surface of the second lens element is concave in the near-axial region of the lens. At least one surface of at least one of the five lens elements comprises at least one inflection point.

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