| 摘要 |
A new type of intraocular posterior chamber lens is provided for implantation in the eye following cataract extraction. The new lens is uniquely structured at its rear face such that, when implanted, a separation or an open zone is provided at the visual axis between the lens body and the posterior capsule so that, in the event of haziness or opacification of the posterior capsule, corrective surgery can later be provided in this open zone means that will allow a corrective or restorative opening to be made in the posterior capsule.
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