Are there requirements that say you will fail a class 1 if you undergo eye muscle surgery ?
Overall, the answer to that question is probably "NO", but as usual there is too little information to give individual advice ( which is not
really to be recommended, anyway ! ).
Put in just a little effort yourself, and search for the information !
This very thread itself is a potent source of facts and ideas about vision
problems as they affect aviators.
More information here :
Vision | Medical | Safety Regulation
though bear in mind this is the UK CAA - Hong Kong may differ subtly.