The eyes are the first to be harmed, which may develop cataract in serious cases, in addition to headache, tiredness, irritation, poor memory, sweat, heart-throb and insomnia.

• 眼睛首当其冲，严重时可造成白内障。并出现头痛、乏力、烦躁、记忆力减退、多汗、心悸、失眠等症状。