I am considering the 145 to 190 position in China. The medical is a concern for me. Does any one have any information on the color vision test. What do they use? Isharia dot test or and if so how many plate version. I passed a different one in the USA. American medical optical it was a series of shapes. I have difficulity with Ishaira. The rest is no problem. Always had a unrestricted first here but......