Contact lenses with off-center sphere surface

Contact lenses with palpebral protuberances

Contact or intraocular lens from lightly crosslinked polymer...

Continuous focal contact lens

Continuously variable contact lens

Control of myopia using contact lenses

Convertible eyeglasses

Convex lens and stepped prism combined glasses

Copolymers and hydrogels of unsaturated esters

Copolymers and hydrogels of unsaturated heterocyclic compounds

Corneal and epithelial remodelling

Corneal contact lens

Corneal contact lens

Corneal contact lens and method for making the same

Corneal contact lens with peripheral clearance

Corneal contact lenses

Corneal onlays and wavefront aberration correction to...

Correcting bifocal lenses arangements for spectacles

Correction of peripheral defocus of an eye and control of...

Corrective eye-glasses