Stichting Right on Sight

Willem Peter Louwerse

Gerrit Ludolph Van Der Heijde

Glasses, comprising a frame and a lens system for the correction of defective vision, which comprises at least one pair of lenses formed by a first lens and a second lens, which first and second lens, viewed in the path of vision, are disposed one behind the other and are mutually adjustable for realizing a desired degree of correction of vision, wherein the first lens is position-invariantly received in the frame, and the second lens can be moved longitudinally along the first lens.

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Hilversum, Netherlands

Willem Peter Louwerse