The reason is (My epilepsy has never been fully under control. 32 years or so, the number of seizes isn’t the problem, although 1 is to many) might create uncomfortable situation and not able to control normal life. Most of the time the businesses applications have a column where the applicant tells if s/he need a special needs or accomodation during the work. Which I believe the main goal of that is to empower and enhance the employees for achieving their goals and help preventing any unsatisfied results or disturbances during the work which would affect the employees and the company. I feel how important is for everyone of us today to be safe and live the life with its full expectations without worries. Good luck for you!