Method of obtaining particulars of ophthalmic lens

Details Method of obtaining particulars of ophthalmic lens Method of obtaining particulars of ophthalmic lens

2006-05-30

2006-05-30

Turner, Samuel A. (Department: 2877)

Optics: measuring and testing

Lens or reflective image former testing

C250S459100, C250S461100

Reexamination Certificate

active

07053997

ABSTRACT:
A method of obtaining particulars or characteristics of an ophthalmic lens by detecting a fluorescent light which is emitted from the ophthalmic lens upon exposure to an excitation light (UV light). The particulars or characteristics of the ophthalmic lens include, for instance, identifying marks such as characters, figures, symbols, etc. which are formed in the ophthalmic lens to identify the ophthalmic lens, a thickness of the ophthalmic lens such as a contact lens and an intraocular lens, and an angular position of the ophthalmic lens, particularly of a special contact lens having circumferential portions having respective different thickness values.

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