Method of making an eye color change contact lens

Details Method of making an eye color change contact lens Method of making an eye color change contact lens

1986-06-20

1987-12-01

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

264 27, 351162, 425808, B29D 1100

Patent

active

047103280

ABSTRACT:
A cosmetic contact lens is made by providing an iris segment piece shaped from a polymer having a daylight fluorescent colorant dispersed on it and which has a cone shaped depression in its center. A colored transparent monomer is polymerized in this depression. The iris segment piece also has a convex cone shaped periphery that is filled in with a clear transparent monomer which is then polymerized. A contact lens is cut from the thus formed cylinder to form a contact lens having a colored transparent pupil area, a daylight fluorescent iris area and a clear transparent peripheral area.

REFERENCES:
patent: 3189914 (1965-06-01), Guscwitch et al.
patent: 3270099 (1966-08-01), Camp
patent: 3560598 (1971-02-01), Neefe
patent: 3984506 (1976-10-01), Isvetaki
patent: 4460523 (1984-07-01), Neefe

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