IN SITU ADJUSTABLE OPTICAL MASK
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United States of America
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Issued Date -
Jan 9, 2020
app pub date -
Jul 15, 2019
filing date -
Jul 15, 2019
priority date (Note) -
Published
status (Latency Note)
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Abstract
Implantable corneal and intraocular implants such as a mask are provided. The mask can improve the vision of a patient, such as by being configured to increase the depth of focus of an eye of a patient. The mask can include an aperture configured to transmit along an optical axis substantially all visible incident light. The mask can further include a transition portion that surrounds at least a portion of the aperture. This portion can be configured to switch from one level of opacity to another level of opacity through the use of a controllably variable absorbance feature such as a switchable photochromic chromophore within a polymer matrix.
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