Foraminated optical contact lens

Details Foraminated optical contact lens Foraminated optical contact lens

1985-02-14

1986-11-11

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

219 69R, G02C 704, B23K 916

Patent

active

046219129

ABSTRACT:
A transparent microporous optical contact lens having a lens body including a contact surface and a frontal surface. A plurality of micro-passageways extend through the lens body between the contact surface and the frontal surface. Each of the micro passageways has a pair of generally cylindrical inwardly converging end portions which communicate with a diametrically enlarged generally spherical intermediate portion located between said end portions.

REFERENCES:
patent: 3227855 (1966-01-01), Meyer, Sr. et al.
patent: 3833786 (1974-09-01), Brucker
Lombard Lenses (advert.); "Micropore: The Hard Lens that Breathes"; Optometric Weekley; Oct. 12, 1972; p. 33.
Neill, J. C.; "Electronic Venting of Corneal Contact Lenses"; Contacto; vol. 11, No. 2; Jun. 1967; pp. 9-11.

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