Head-worn illuminators and magnifiers with optical rejection coatings to assist medical and dental professionals

摘要

An improved head-mounted optical illuminator or magnifier of the type worn by a medical or dental professional includes an optical coating applied to one or more optical surfaces associated with the illuminator or magnifier, and wherein the optical coating is a rejection coating operative to blocks wavelengths in the green, blue, violet and/or ultraviolet portions of the electromagnetic spectrum, depending upon the embodiment. Short-wavelength coatings (blue/violet/uv) may be applied to the surface of a lens used in a head-worn illuminator, for example to the beam-forming optics. The head-worn illuminator may be an LED illuminator, xenon illuminator, or other high-intensity source. In the case of the green notch filter coatings, these would typically only be applied to a head-worn magnifier, including flip-up and through-the-lens styles. In all embodiments, the optical coating may be a multilayer dielectric coating, a holographic filter, or utilize other optical filter technology.

主权项

1. A head-mounted optical illuminator or magnifier of the type worn by a medical or dental professional, the improvement comprising:
an optical coating applied to one or more optical surfaces associated with the illuminator or magnifier, the coating being applied entirely across each respective optical surface, leaving no non-coated areas; wherein the optical coating is a rejection coating operative to attenuate wavelengths in the blue, violet and ultraviolet portions of the electromagnetic spectrum; and wherein the optical coating exhibits a transmission curve with a slope and a non-zero minimum transmission characteristic.