The removed cloudy lens does not return. Months or years later, the fine membrane that holds the implant can become cloudy, which is easily treated with a quick outpatient laser procedure.

For the technically minded: Posterior capsule opacification results from residual lens epithelial cell proliferation and migration onto the posterior capsule. Neodymium‑doped yttrium aluminium garnet laser capsulotomy creates a central opening of approximately three to four millimetres to restore the visual axis.

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