I Want Your Guidance Please While Chewing My Left Eyelid

I want your guidance please
While chewing my left eyelid moves involuntary...
i feel really ashamed and I cannot eat in-front of anyone
I don’t know its a dermatological issue or ophthalmological issue
Please guide me what should i do as its happening with me since my early childhood
PS: i am going to be married soon I don’t know how to hide this issue from husband and in-laws
I really need your help