The chalazion often starts with an isolated pain located in the eyelid. Then in the space of a day or two a small, round, red, hot and painful mass appears in the eyelid. This small ball can be visible outside the eyelid, but it can also be located on the inside of the lid: in this case, from the outside, the eyelid is red and swollen and the ball can only be felt through palpation, and can only be seen by everting the eyelid.  `