His smart lenses are designed to release drugs slowly into the eye over a long period.
他的这种智能眼镜可以使药物在长时间内缓慢地释放到眼睛里。
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The vitamin, which is normally associated with anti-ageing properties, forms a mesh inside the lens, which slows the release of the drug, ensuring it spends much longer in the eye.
Other techniques focus on delaying blindness, including one involving a capsule implanted in the eye to release proteins that slow the decay of light-responding cells.