Contact lens with a hydrophilic, polyelectrolyte complex coating

Details Contact lens with a hydrophilic, polyelectrolyte complex coating Contact lens with a hydrophilic, polyelectrolyte complex coating

1978-01-05

1979-09-18

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

427164, G02C 704

Patent

active

041681126

ABSTRACT:
Soft and hard contact lenses with an ionic charge on their surface are treated with a lens solution containing an oppositely charged ionic polymer to form a hydrophilic polyelectrolyte complex on the lens surface, which complex acts as a hydrogel and improves the properties of the lens.

REFERENCES:
patent: 3560424 (1971-02-01), Glaser et al.
patent: 3963662 (1976-06-01), Fujiwara et al.

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