Long, invisible lump from corner of eye to cheek bone. it's hard, and fairly fixed; feels like a hard vein. no tear duct infection present. any ideas?

Dermoid cyst: It's caused by protrruding lining of scalp between the bone and the skull. Found at junctions if the skull bones. The corner of eye is a junction between the zygomatic arch ( which protects the eyeball - forming lower border ) and the facial -temporal bones at the corner of the eyeball. It's firm, not usually mobile, non tender under skin. If small and not growing : leave It Alone see Ophthalmo