Is light colorblind an issue for joining big 4? I got an offer from K and they ask me to perform medical checkup next week.

I have a bit colorblind (can see color but sometimes hard to differentiate) and if they test me on Ishihara Color Vision Test, I dn think I can make it. simple one maybe can.

will this be an issue?

I will be going to pre-employment medical check up soon.

I would like to know what would the medical check up cover?

I am colorblind(not severe, can see colors no problem, but cannot see the number in some Ishihara diagram) and not sure if this will cause them reject my employment.