眼疾的英文：
眼疾，眼病。

Eye diseases are prevalent in some tropical countries.
眼疾在一些热带国家很普遍。

He has trouble in his eyesight.
他患眼疾。

Eye problems can indicate an unhealthy lifestyle with subsequent suppression of the immune system.
患眼疾可能表明生活方式不健康，而且免疫系统同时受到抑制。

This bird, sharp of eye and deft of beak, can accurately peck the flying insects in the air
这只鸟眼疾嘴快,能准确地把空中的飞虫啄住。