Invention Grant
US09274350B2 Ophthalmic lens comprising a unique lens identification code 有权
眼透镜包括独特的镜片识别码

Ophthalmic lens comprising a unique lens identification code
Abstract:
An ophthalmic lens (1) has a front surface (2) and a rear surface, each of the front and rear surfaces comprising a central optical zone (4) which is surrounded by a peripheral zone (3). The ophthalmic lens (1) further comprises a unique lens identification code which is arranged in the peripheral zone (3) of one of said front and rear surfaces. The unique lens identification code has the form of an N×M dot matrix (5) comprising N rows and M columns of matrix elements (50), and the N×M dot matrix (5) represents a binary code.
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