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FABRICATION AND DESIGN OF HYDROPHILIC LENSES
FABRICATION OF BIFOCAL AND MULTIFOCAL LENSES
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acid acrylic annular aperture apparatus aqueous axis base curve bevel bifocal bore cavity central portion colored concave surface contact lens convex surface cornea corneal contact cross-linking cutting tool cylindrical described desired diameter diopters edge ellipse ethylene glycol eyeball eyelid flange fluid formed grinding heat holder hydrogel hydrophilic index of refraction inner surface insert iris layer lens blank lens mount lens portion lens surface lenses limbal limbus liquid methacrylic acid methyl methacrylate mold half monomer operation optic zone optical surface peripheral portion plastic material plate poget polishing polyethylene polymer polymerization position posterior preferably pressure procettet produced pupil radius of curvature Referring to Figure refractive index removed resin rotation scleral portion screw segment shape shown in Figure sleeve solution solvent spherical spindle spinning bowl substantially suitable surfaces 16 temperature thereof transparent U.S. Patent vertical vision xerogel