✔ 最佳答案
there are many method to cure this.
some use drops, some use burning, some use cold therapy.
i think you need to go to the doctor to see what treatment is suitable for you.
my family doctor in Tai Wai (Dr. Ho) is quite good on this and he can tell you what happen (because my friend have seen him 1 months ago for the same problem),
he is very nice and may be you can see him if he can help you.
His clinic Tel no 2634 5530
Hope he can help you.