Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Combined
Patent
1992-07-31
1995-01-24
Bertsch, Richard A.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Combined
351 57, 359399, 451 42, G02C 100
Patent
active
053846079
ABSTRACT:
A pair of telescopic spectacles includes a frame having a top bar and a bottom rim disposed to provide an aperture and a lens having a bore therein disposed in the aperture of the frame. The telescopic spectacles further include a telescope assembly disposed through the bore of the lens at a predetermined convergence and declination angle. The telescope assembly includes a first housing having a first aperture, a first region with a bore therein and a second region having a cavity therein, a second aperture and a first surface. The telescope assembly further includes a lens retainer disposed in the first aperture of the first housing, and an eyepiece assembly disposed in the first region of the first housing. The eyepiece assembly includes a lens housing having a first end with a first aperture and having a second opposing end with a second aperture. A first lens is disposed in the first aperture of the lens housing, a second lens is disposed in the second aperture of the lens housing a predetermined distance from the first lens. The telescope assembly further includes a prism, disposed in the second region of the first housing with a first surface of the prism spaced a predetermined distance from the eyepiece assembly. The telescope assembly further includes a second housing having a third lens disposed therein with a first surface of the third lens spaced a predetermined distance from a first surface of the prism.
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Clark Bernard
Morris Frederick
Bertsch Richard A.
Luxtec Corporation
Richman Howard R.
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