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INTRAOCULAR LENS, METHOD FOR DESIGNING THE SAME, AND METHOD FOR MANUFACTURING THE SAME
专利权人:
Hoya Corporation
发明人:
Sanger DEMAS
申请号:
US16328133
公开号:
US20190262127A1
申请日:
2017.08.28
申请国别(地区):
US
年份:
2019
代理人:
摘要:
Provided is an intraocular lens including a lens body having a back surface disposed on a retinal side and a front surface disposed on a corneal side, wherein an entire back surface is shaped in such a way as to protrude from a peripheral edge of the back surface toward the retinal side in a direction of an optical axis, in a shape of a truncated cone, and the front surface has any of the following shapes (i) to (iii);(i) the front surface is shaped in such a way as to start to be recessed toward the retinal side in the direction of the optical axis when viewed toward a center from a peripheral edge of the front surface,(ii) the front surface is shaped in such a way that an initial part from the peripheral edge of the front surface toward the center is flat,(iii) the front surface is shaped in such a way as to start to protrude toward the corneal side in the direction of the optical axis when viewed toward the center from the peripheral edge of the front surface, but a rate of rise of a protrusion from the peripheral edge of the front surface is smaller than a rate of rise of a protrusion from the peripheral edge of the back surface.
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