他突然看不清了李老师是一名高中教师,患糖尿病有十几年了,患病以后对自己的病比较重视,平时也总看关于糖尿病的书籍,加上自己很注意饮食运动的控制,所以一直都没有出现并发症。但最近他发现,自己的眼睛总是看不清东西,一本书放在桌子上,近看看不清,远看也不清楚。一开始,他以为是自己岁数大了,有些老花眼。 He suddenly could not see the teacher Li is a high school teacher, suffering from diabetes for more than 10 years, after the illness more emphasis on their own disease, usually also always look at the books on diabetes, coupled with their attention to eating exercise control , So there has been no complications. Recently, however, he found that his eyes were always invisible to him. A book was on the table, unclear in the near future and unclear in the distance. At first, he thought he was too old and some presbyopic.