Soft optical element for use in eye-protecting devices

Details Soft optical element for use in eye-protecting devices Soft optical element for use in eye-protecting devices

2006-03-21

2006-03-21

Sugarman, Scott J. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S041000

Reexamination Certificate

active

07014315

ABSTRACT:
An optical element is disclosed comprising at least one transparent eye-protecting portion comprising a plastic material, preferably having a hardness within a range of about 40 Shore A to about 77 Shore D, as measured according to ASTM Standard D2240, and an elongation at break within a range of about 200% to about 700%, as measured according to ASTM Standard D638.

REFERENCES:
patent: 4818801 (1989-04-01), Rice et al.

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