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Class 351/230 - With individual lens holder


Subclass of Class 351 - Optics: eye examining, vision testing and correcting
Definition: Subject matter including individual lens holders for single
No. of patents: 8
Last issue date: 09/07/2004


NumberTitleIssue Date
6786601Method of conveniently thwarting infant amblyopia after cataract removal
A flexible transparent mask having a vision blocking portion is positioned over the infant's “good” eye to prevent amblyopia and a large plastic corrective lens is positioned over the eye under correction, and is heat laminated to the mask during manufacture. Si...
09/07/2004
5488439Lens holder system for eyeglass frame selection
A lens holder system for temporarily holding a prescription lens in the openings eyeglass frames having perimeter grooves so that the patient can see what a pair of eyeglass frames will look like on him or her. The system has a plurality of pairs of lens ...
01/30/1996
4801200Optometric lens trial frame
A trial frame is disclosed presenting pairs of lens holders on one or both sides of a common beam for ocular therapy and testing by a plurality of test lenses. Each lens frame holder is grooved to simultaneously accommodate plural lenses and may completel...
01/31/1989
4783162Spectacle mounted variable neutral density filter holder
A filter holder which clips on to an ophthalmic trial refraction frame or clip on to a person's spectacles with a clip on attachment is disclosed comprising a knob which rotates a shaft and a gear. The gear engages a ring with teeth in it. This ring is at...
11/08/1988
4494837Pupil location gauge
A pupil location gauge having an index member movable in relation to a graduated scale may be used in an ophthalmic test lens holder for subjective measurement of both vertical and horizontal pupillary distance. Either monocular or binocular measurements ...
01/22/1985
4381143Ophthalmic test lens holder
A lens holder having a pair of spring connected clamping members with apertures therein mountable over a lens socket of spectacle frames. The clamping members have an extent which is sufficient to completely span lens sockets and extend a distance beyond....
04/26/1983
4129361Eye testing device for prescribing eyeglasses
A device for determining a prescription lens for eyeglasses to be used by highly hyperopic patients, in which a frame mounted lens is inserted in a trial lens mounting to project on either side of the frame with one surface of the lens formed with an asph...
12/12/1978
4029402Optical aid for use in the selection of spectacle frames
An optical aid for use in the selection of spectacle frames is in the form of a trial lens mount having a lens holder with a plurality of resilient arms extending outwardly therefrom which carry at their extremities members which engage a lens-retaining g...
06/14/1977
 
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