Pannus is a form of superficial keratitis, or inflammation of the cornea, found most commonly in German Shepherd Dogs, Greyhounds, and Siberian Huskies.
Australian Shepherd - retinal dysplasia occurs with other eye disorders, such as an oval pupil, microcornea (small cornea), cataracts, and retinal detachment.
Conclusion: There is more therapeutic effect of cornea toxicide for treating superficial lamella and middle groundsubstance herpes simplex viral keratitis.
Then there's orthokeratology or Ortho-k lenses… hard contact lenses worn only at night that reshape the wearer's cornea while they sleep… so that they can see at a distance during the day.
Light comes in through the cornea and pupil and hits the lens — the convex, transparent disc that focuses that light and projects it onto the retina, which makes up the inner layer of the back of the eyeball.