Specimen Page 
VETERINARY OPHTHALMOLOGY. 77 
of vascularity, and no ulcers existing^ the Jequirity 
infusion offers good results. Opacities are frequently 
the result of corneal inflammations and cicatricial 
deposits. While they are classifled according to de¬ 
gree, they are practically divided into superficial and 
deep, the former affecting the epithelial layer, the 
latter the parenchyma. A faint superficial opacity is 
Fig. 39. Fig. 40. 
called nebula (L. fog), a thick dense one leucoraa 
(Gr. white). A cicatrix combined with prolapse and 
adhesion of the iris is called leucoma adherans. May 
see white, chalky deposits, which may be the result of 
an application of lead lotion where ulceration was pre¬ 
sent in the corneal tissues. Many opacities disappear 
spontaneously in the young and robust. As a rule the 
more recent and superjicicd the opacity the better the 
