Method of making bifocal contact lenses

Details Method of making bifocal contact lenses Method of making bifocal contact lenses

1978-12-22

1980-05-13

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

51216LP, 51284R, 82 11, 82 18, B29D 1100, B29C 1710

Patent

active

042028485

ABSTRACT:
A method of making bifocal contact lenses by cutting the distant power on a lathe with an off center rotation to produce a prism lens, removing the lens from the lathe, turning the lens 180.degree., replacing the lens on the off center lathe, and cutting the near power segment.

REFERENCES:
patent: 2306868 (1942-12-01), Duckwall
patent: 2545447 (1951-03-01), Clement
patent: 3460928 (1969-08-01), Casko

Affiliated with

Also associated with

Rating

Method of making bifocal contact lenses does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of making bifocal contact lenses, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of making bifocal contact lenses will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-929598