What reason is bleb growing on eyelid

The cause of the disease is more complex. Allergens are difficult to identify. Small blisters on the eyelids are caused by patients suffering from eyelid eczema. It is an allergic disease. The cause of the disease is more complex. Allergens are difficult to identify. Sometimes it can occur in one eye, and sometimes it can be manifested as part of facial or systemic eczema. With eyelid eczema itching symptoms will be more intense, and in physical examination can see eyelid rash is mainly vesicles, sometimes there are flushing papules, severe vesicles will exude liquid, and there are scab is limited rash, the boundary is not clear, after healing there are recurrent attacks and performance for chronic tendency.