Yes This Could Lead To Swelling And Burning!
This is bad, because that means your shih tzu has bad allergies..
Yes, do not scratch the affected area.
depends on how bad the scratch is if it's not bad hand it into a shop that does disc cleaning machines if it's too bad then they won't take it in
Usually not.
*scratch
what is the cornea and what does it do
i don't think so but DO NOT SCRATCH IT ANYMORE it shouldn't be serious
scratch ,attack
Cornea transplant
welll it is the lower cornea
Chicken scratch
The cornea is dome shaped