Ophthalmic article
AssigneeEssilor Italia Societa Per Azioni
InventorMatteo LAGASI
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Abstract
The invention relates to an ophthalmic article (1) in particular for sunglasses, comprising: —a first layer (9) made of photochromic cellulose triacetate having a rear face (9R) to be oriented toward an eye (7) of a user and a front face (9F) to be oriented toward the field of vision (13) of the user, and—a second layer (10) made of polyamide having a rear face (10R) to be oriented toward an eye (7) of a user and a front face (10F) to be oriented toward the field of vision (13) of the user, —the first layer (9) being disposed proximate to the field of vision (13) of the user with regard to the second layer (10) being disposed proximate to the eye (7) of the user.
Claims13
An ophthalmic article particular for sunglasses, comprising:
- a first layer made of photochromic cellulose triacetate having a rear face to be oriented toward an eye of a user and a front face to be oriented toward the field of vision of the user;
- a second layer made of polyamide having a rear face to be oriented toward an eye of a user and a front face to be oriented toward the field of vision of the user,
- the first layer being disposed proximate to the field of vision of the user with regard to the second layer being disposed proximate to the eye of the user.
Dependencies are inferred from the claim text.