The eyelid, the skin fold that covers and protects the eye; includes the upper and lower eyelids used to open and close the eyes.
疲れてまぶたが重くなった。
I'm tired and my eyelids feel heavy.
まぶたをゆっくり閉じて深呼吸してください。
Slowly close your eyelids and take a deep breath, please.
まぶたにものもらいができて赤く腫れた。
I got a stye on my eyelid and it became red and swollen.