Based on the information it seems that you are having twitching near eyelid and its painless, and wanting to know what is it.
Their are many possible causes for the twitching viz.
2) low calcium may lead to twitching.
3) High caffeine intake may lead to twitching.
1) Try to relax and take some time off.
2) Reduce caffeine intake.
3) If above two method do not work that go and consult physician and get your blood calcium level check.
Hope it helps,
Dr. JAY PATEL