1) depends on the brand you use, otherwise, it is not difficult to find the solution for contact lens.
2) If your health insurance covers your prescribed medicine cost, you can think about getting it here. But I think you need the german description first. (correct me if i am wrong)
please consider the voltage and frequency differnecies between taiwan and Europe if you carry over those electric kithcen appliance. I don't know if one can find a rice cooker with european electrical system.