Why Do We Blink?
Itisanessentialfunctionoftheeyethathelpsspreadtearsacrossandremoveirritantsfromthesurfaceofthecorneaandconjunctiva.,Blepharospasmisarareconditionthatcausesyoureyelidtoblinkortwitch.Youcan'tcontrolit.Thisiscalledinvoluntaryblinkingortwitching.,Bli...。參考影片的文章的如下: