If you find that your eyelashes fall out now and then, you should check out whether you have the problems at the whole body health. If you use the eyes make up often like using the eye liners or eyes shadows, you may have high possibility of falling out the eyelashes. You could use the vitamin E to adopt on the eyelashes to help them grow again.
All right, I know that you are worrying about your eye health because your eyelashes keep falling out. So, generally speaking, it is due to some factors such as work stress, depression, fatigue, or some infections with your eyes. So if you cannot identify what exactly led to your problem, you need to see a doctor and take later actions against it. Hope you fix it as soon as possible.