CAAC Medical
I have held for the last 32 years, a Class One FAA Aeromedical certificate. When I failed my CAAC medical in PVG due to eye surgery, I was very upset.
Interesting fact is that I have never-ever, (repeat....never-ever) had any form of surgery to my eyes. NEVER........
The VOR agent told me it is not uncommon for the examining specialist to be wrong, but you as the applicant have no recourse.