The ongoing worries of the medical examiner are as follows:

Are there any medical reason may call into the question of flight safety?

The goal of the medical Aptitude is to assess to the physical and mental Candidate of air palne.

If in doubt, we must make tests for either reassure the pilot, or to apply for exemptions to the fitness standards, the pilot declared unfit.
Let us not forget that in case of medical problem, not only the driver can lose life, but that in crashing to the ground plane can cause real disaster!

Therefore , a very important responsibility during this review that goes beyond the strict implementation of regulations for fitness: it plays a major role in the security area! (Do not want so if he refuses to sign your license!)