在日常生活中,灰尘沙土进入眼睛,有的人用口对准眼睛猛吹,试图把沙土吹出。眼科专家认为,这种做法不科学,因为人的眼晴是呈球形、上下均弯的穹窿,而且有眼脸遮盖,进入眼睛的灰尘沙土经口一吹,很容易吹入上下穹窿的角落,反而使灰尘沙土不易找到和清洗,同时眼睛表面有一层泪膜,特别 In everyday life, dust and sand into the eyes, some people aim at the eyes blowing, trying to blow out the sand. Ophthalmologists believe that this approach unscientific, because the human eye is spherical, up and down are curved domes, but also face cover, into the eyes of dust and sand blowing through the mouth, it is easy to blow up and down the dome of the corner, Instead, dust and sand make it hard to find and clean, while the eye surface with a layer of tear film, in particular