• NABDad@lemmy.world
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    3 days ago

    Checked with my wife who is an optometrist, and she said cornea.

    Edit:

    She added, “cornea has more nerve endings”

    Edit 2:

    She also added that the inside of your eyelid is a mucus membrane, so soap is no more irritating to it than it would be to the inside of your mouth.