春季总的气候趋势是日渐温暖,但春季又是个冷暖空气交汇最频繁的时节,天气常常是变化无常的,即所谓的“春天孩儿脸,每天变三变”。乍暖还寒,多风沙,是春季的主要气候特征。也正是因为这种特征,春季的眼部疾病相对较多。1.病毒性角膜炎。每次冷空气过 Spring general trend of the climate is getting warmer, but the spring is a cold and warm air meet the most frequent season, the weather is often volatile, the so-called “spring child face, change three times a day.” Turns warm and cold, more sand, is the main spring climate characteristics. It is also because of this feature, the spring eye disease is relatively more. Viral keratitis. Every cold air too