Feeling off balance walking and unsteadiness

Hello people I have been feeling very unsteady when walking , i feel like something is swaying me side to side.i have been to hospitals but cant tell what wrong with me.the fact is i don’t feel sick at all but balance is a problem. no body can notice that of course but i can feel it on myself.i cannot operate fast running machines.this problem is also affecting my career.because i do work i computer industry as ICT Consultant, but being in front of computer is affecting me.has anybody experienced the someone gone through this. it keeps changing severity time to time but at the beginning of April its now cooling but not gone completely i can feel all the time .
i sometimes experience mild headache
but rarely.please help me .

get your ears and eyes checked ASAP.

get your ears and eyes checked ASAP.

get your ears and eyes checked ASAP.