Toric soft contact lens holder

Details Toric soft contact lens holder Toric soft contact lens holder

1986-01-08

1989-03-28

Rosenberger, Richard A.

Optics: measuring and testing

Lens or reflective image former testing

For optical transfer function

356244, G01B 900

Patent

active

048158461

ABSTRACT:
An apparatus for positioning a toric soft contact lens in relation to an optical measuring instrument includes discs for supporting the contact lens and a handle for rotatably holding the discs. Separate discs are provided for front vertex power measurements and for back vertex power measurements. Spacers are provided for advantageously positioning the discs on the lens rest of the measuring instrument. Methods are described for verifying lens markings with the device. The device can also be used as an aid in lens inspection.

REFERENCES:
patent: 996017 (1911-06-01), Haynes
patent: 3731670 (1974-06-01), McCormack
patent: 3779648 (1973-12-01), Poster
patent: 4072428 (1978-02-01), Moss
patent: 4232966 (1980-11-01), Schpak et al.
patent: 4277172 (1981-07-01), Richards
patent: 4415076 (1983-11-01), Campbell
patent: 4496243 (1985-01-01), Machida

Affiliated with

Also associated with

Rating

Toric soft contact lens holder does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Toric soft contact lens holder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Toric soft contact lens holder will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1655026