Did a blocked sweat gland cause this?

HERE is a small, clear fluid-filled sac on the lower eyelid.

At this level it looks like a cystic basal cell carcinoma but it was soft and easily compressible. This is an eccrine hidrocystoma, probably derived from obstruction of a sweat gland.

The other lesion that can present like this is an apocrine hidrocystoma, but it is more closely associated with the eyelash follicle and the cyst has a bluish colour.

A simple way of dealing with this swelling is just to take a cutting needle and open it and drain it.

Sometimes the cyst walls adhere and it does not recur.