The hooded eyes are that when you laugh, there is the convex beneath the eyelash.It is actually made of the orbicularis oculi. There are three main reasons for the cause of hooded eyes, including the born-to-be one. First of all, it is caused by the congenital lid muscle hypoplasia. With the age growing, the inside and outside canthus ligament is flabby and the orbicularis oculi power becomes weak. This can also cause the hooded eyes. Secondly, after the operation, too much fat and muscle tissue are lost which also cause lower eyelid tissue. Last of all, after doing the scar elimination surgery or the capsular contracture, the eyelid elastic ability is damaged which may also cause the hooded eyes. However, not like the blepharoptosis, the hooded eyes are regarded beautiful. And many stars have this kind of eyes.