Twitches of the eyes and facial area can be there due to multiple factors , the prominent amongest them being -
1. post hereps attack
2. any growth pressing on the nerve to the face and eye muscles (trigeminal nerve
3. as part of the anxiety
4. from no cause what so ever - idiopatic.
you need to consult a good neuro physician who would be able to examine you in detail and help ameliorate the problem
get well soon