To have blurred vision; to see flying flies and dangling pearls (describing dimness of sight)
爷爷年事已高，最近常感觉眼前飞蝇垂珠，看东西也越来越模糊了
Grandpa is very old; recently, he often feels his vision is blurred, like seeing flying flies and dangling pearls, and his sight is becoming increasingly dim.
Era:
Ancient
Frequency:
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