First you should know ,not only does this eyelid muscle spasm feel strange, it also becomes distracting as it interrupts your vision.
So do something to stop it immediately is so important .
If you take coffee too much,so you need to decrease your caffeine intake. Too much caffeine is an identified cause of eyelid twitches, and by eliminating or minimizing caffeine from your diet, you can naturally stop the muscular spasms.
Another reason may be the lack of sleep,then you need to get more sleep.
If you don't know the reason,you need replenish your body with zinc supplements,which will help you relieving your eye muscle.