My Eyes Can Practice

After Wang Xiaoguai traveled through time, when he wondered what thing he had traveled through time, the system was activated... Wang Xiaoguai: "System, why can't I see clearly with my eyes?" System: "Ding! Congratulations to the host for awakening the skill - Eyes of Blue Light!" Wang Xiaoguai: "System, what happened to my eyes?!" System: "Ding! Congratulations to the host for awakening the skill - Cataractic Eye!" Wang Xiaoguai: "..." In short, this is a brand new world of eye repair.