"Eyelid abnormalities" refers to any unusual or irregular conditions or issues that affect the eyelids, the part of our body that helps protect our eyes."
Common dog and cat ophthalmic problems include cataracts, glaucoma, corneal trauma, eyelid and third eyelid abnormalities as well as retinal diseases. (upstatevet.com)
Also eyelid abnormalities (entropion and ectropion), eyelash abnormalities, corneal dystrophy, retinal dysplasia, persistent pupillary membranes, and occasionally progressive retinal atrophy (PRA). (yourpurebredpuppy.com)