FIELD: chemistry.
SUBSTANCE: described are benzotriazole compounds of formula
,
where R1=H or CH3; R2=C1-C4 alkoxy; and R3=H, CH3, CH3O, F, Cl or CF3, which absorb UV/visible light, ophthalmic device material which contains said compounds and the ophthalmic device itself, which is selected from a group consisting of an intraocular lens, a contact lens, keratoprosthesis and corneal inlay or ring.
EFFECT: improved properties.
9 cl, 6 tbl, 18 ex, 11 dwg
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