Pannus n. : A very vascular superficial opacity of the cornea, usually caused by granulation of the eyelids.

Example:
Anyone have any experience with the common German Shepherd disease Pannus?

Taxonomy
pannus, disease, tissue, free encyclopedia, a hanging, eye disease, granulation tissue, corneal, abdomen, peripheral cornea, search, Unsourced, the eye, dogs, medical term, flap, sizes, shapes.

Defination from the web:
Pannus is a medical term for a hanging flap of tissue. ... A pannus can come in many different sizes and shapes and can become very large, even hanging down below the knees. ... Pannus can be removed by plastic surgery operation called a panniculectomy (which is a type of tummy tuck) ...