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EYEBALL ARTIFICAL CRYSTAL OF MULTI-FOCUS, ESPECIALLY, DUAL-FOCUS
EYEBALL ARTIFICAL CRYSTAL OF MULTI-FOCUS, ESPECIALLY, DUAL-FOCUS
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机译:多焦点,尤其是双焦点的眼球人工晶体
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摘要
A multifocal, especially bifocal, intraocular, artificial ophthalmic lens of transparent material, whose optical lens portion is divided into near range and far range zones and, each of which is disposed on the optical lens portion with approximately equal surface proportions and symmetrically with the lens axis.
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