Described are multifocal contact lenses that contain high energy visible (HEV) light absorbing compounds and their use for improving one or more vision attributes.

Described are multifocal contact lenses that contain high energy visible (HEV) light absorbing compounds and their use for improving one or more vision attributes.

Embodiments of the disclosure relate to a series of PC resin additives for maintaining the color stability and blue-cut performance during injection molding. The additives may be used to adapt a PC resin customarily used for sun protection lenses for clear lens applications.

Embodiments of the disclosure relate to a series of PC resin additives for maintaining the color stability and blue-cut performance during injection molding. The additives may be used to adapt a PC resin customarily used for sun protection lenses for clear lens applications.

Described are polymerizable high energy light absorbing compounds of formula I: ##STR00001##
wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, and X are as described herein. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.

Described are polymerizable high energy light absorbing compounds of formula I: ##STR00001##
wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, and X are as described herein. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.

An ophthalmic device for slowing, inhibiting or preventing myopia progression which is a polymerization product of a monomeric mixture comprising (a) greater than 50 wt. %, based on the total weight of the monomeric mixture, of one or more non-silicone-containing hydrophilic monomers; (b) one or more crosslinking agents; and (c) one or more red-light blocking compounds blocking greater than 5% to about 25% of red-light transmission through the ophthalmic device at a wavelength of from about 550 nm to about 800 nm, wherein the one or more red-light blocking compounds have one or more ethylenically unsaturated reactive end groups.

An ophthalmic device for slowing, inhibiting or preventing myopia progression which is a polymerization product of a monomeric mixture comprising (a) greater than 50 wt. %, based on the total weight of the monomeric mixture, of one or more non-silicone-containing hydrophilic monomers; (b) one or more crosslinking agents; and (c) one or more red-light blocking compounds blocking greater than 5% to about 25% of red-light transmission through the ophthalmic device at a wavelength of from about 550 nm to about 800 nm, wherein the one or more red-light blocking compounds have one or more ethylenically unsaturated reactive end groups.

A polymerizable composition for an optical material includes a compound represented by General Formula (1) and a polymerization reactive compound. ##STR00001##

A polymerizable composition for an optical material includes a compound represented by General Formula (1) and a polymerization reactive compound. ##STR00001##