眨眼能防止眼睛干燥,也是遭遇恐吓、闪光、接触刺激的生理性反射,在维持结膜清洁和角膜营养也很重要。婴儿眨眼率为每分钟2次,至15岁时增加至14～17次,眨眼正常增加是对有害的刺激(如疼痛、闪光、温度、干燥)和谈话的反应。眼病时也有过度眨眼,但很少无附加的症状和体征。例如虹膜炎、白化病、白内障可伴有眼内散光增加和畏光也引起眨眼率增加,但这些病人有流 Blinking can prevent the eyes dry, but also encounter intimidation, flash, exposure to the physiological stimuli of reflection, in the maintenance of conjunctival cleanliness and corneal nutrition is also very important. Infant blink rate is 2 beats per minute and increased to 14-17 by 15 years old. Normal blinking is a reaction to harmful stimuli such as pain, flash, temperature, dryness and conversation. Eye blinks also have excessive blinks, but few have no additional symptoms and signs. For example, iritis, albinism, cataract may be associated with increased intraocular astigmatism and photophobia also caused an increase in blink rate, but these patients flow