Before the oculoplastic surgeon decides on surgery they will examine your eyes and evert your eyelid. Whilst this is being done, you should keep your eyes open and look down, then it doesn't hurt.. The chalazion has a typical "grey" appearance of the other side of the eyelid, which helps confirm the diagnosis.

	Look down.
	The doctor gently holds the eyelashes and pulls the lid a tiny bit and uses a cotton bud / Q-tip or similar to flip the eyelid.
	Typical grey appearance is seen on the under surface of the eyelid