noun
blepharospasm; spasmodic winking
Medical term for involuntary eyelid twitching or spasms.
眼瞼痙攣は、まぶたの筋肉が無意識に収縮する症状です。
Blepharospasm is a condition in which the eyelid muscles contract involuntarily.
眼瞼下垂 is drooping of the eyelid, while 眼瞼痙攣 is involuntary twitching or spasms.
Compound of 眼瞼 (eyelid) + 痙攣 (spasm, convulsion).