夜晚临睡前,小华不断地说眼睛疼痛、怕光,而且不时地流眼泪,不敢睁眼。在医院急诊室,医生认为他得的是电光性眼炎。原来,小华下午放学后,出于好奇在马路边观看电焊操作。蓝色的闪闪电焊光引起的电光性眼炎,主要是由于电焊光中含有大量的紫外光。当眼睛角膜上的上皮细胞吸收这种紫外线后,使角膜上皮细胞的正常活动受到抑制、破坏,角膜上皮细胞便发生较大面积的脱落,十分 Before going to sleep at night, Xiaohua continued to say that his eyes ached, afraid of light, and from time to time shed tears, afraid to open his eyes. In the hospital emergency room, the doctor thinks he has electro-optic ophthalmia. Originally, Xiaohua afternoon after school, out of curiosity watching the welding operation in the street. Electro-optic ophthalmia caused by the blue flash of welding light is mainly due to the large amount of UV light contained in the welding light. When the epithelial cells on the cornea of ​​the eye absorb such ultraviolet rays, the normal activities of the corneal epithelial cells are inhibited and destroyed, and a large area of ​​corneal epithelial cells will fall off.