US2008013045A1PendingUtilityA1
Ophthalmic devices having a highly selective violet light transmissive filter and related methods
Assignee: ADVANCED MEDICAL OPTICS INCPriority: Apr 30, 2004Filed: Sep 7, 2007Published: Jan 17, 2008
Est. expiryApr 30, 2024(expired)· nominal 20-yr term from priority
G02C 7/108A61F 2/1659
48
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Claims
Abstract
Ophthalmic devices are provided having a violet-light vertical cut-off filter abruptly absorbs light between the wave lengths of between approximately and 400 nm and 450 nm such that a curve when plotted as percent transmission versus wavelength has the shape as depicted in FIG. 2 . In one embodiment the ophthalmic devices are made from acrylates and the light absorbing compound is an Eastman Yellow 035 MA dye.
Claims
exact text as granted — not AI-modified1 . An ophthalmic device comprising a violet-light vertical cut-off filter incorporated therein wherein the violet-light vertical cut-off filter abruptly absorbs light between the wavelengths of between approximately 400 nm and 450 nm
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