Eyelids are the eyes and faces that can be closed up and down outside the eyes, and are divided into upper eyelids and lower eyelids. From the outside to the inside, it is composed of skin, connective tissue, muscle, gland and conjunctiva. Eye-face weakness is difficulty in opening and closing eyelids. < P > No force is needed, and my eyelids feel heavy. Children's eyelid muscle weakness is generally caused by congenital abnormalities, and the onset is often around 7 years old. Most adults are caused by eyelid diseases. The specific reason is to go to a specialized hospital for examination, so it is better to treat the symptoms'.