THE MODERN HORSE DOCTOR. 181 



ating the system. The medicine best calculated to produce 



this result is 



Powdered goldenseal, "| 



" gentian, 



" sulphur, V of each 1 ounce. 



" ginger, 



- salt, J 



Oatmeal, 1 pound. 



Mix ; divide the mass into twelve parts, and give one in the 



food, night and morning. The eye may be bathed twice a day 



with the following astringent lotion : — 



Powdered bayberry bark, . . 1 ounce. 

 Boiling water, 1 pint. 



When cool, strain, and add a table-spoonful of tincture of blood- 

 root; it is then fit for use. A good nutritious diet is indis- 

 pensable. 



Should amaurosis be the sequel of cerebral disease, little hope 

 can be entertained of recovery. Should the reader, however, 

 desire to treat such case, he must have recourse to counter irri- 

 tation as well as internal medication. As counter irritants, some 

 recommend a seton under the jaws; but probably a mustard 

 poultice applied behind the ears would have the same effect. 



SPECIFIC OR PERIODIC OPHTHALMIA. 



The specific or periodic form of ophthalmia differs from com- 

 mon ophthalmia. 



1st. The inflammation is deep-seated, and on examining the 

 eye, after death, we find the choroid coat highly inflamed, pre- 

 senting a scarlet appearance. The vitreous humor appears of a 

 light yellow tint ; all the internal structures, and especially the 

 lens and its capsule, are highly injected, presenting a network of 

 blood vessels ; whereas, in simple ophthalmia the tunica con- 

 junctiva alone is commonly affected. 



2dly. Specific ophthalmia, unlike simple, is considered consti- 

 tutional, and is subject to regular paroxysms, lasting for two or 

 three days at a time. The intermission is noticed by a disap- 

 pearance of the acute symptoms, and a restoration of the sight. 

 The intermissions are sometimes of several months' duration, 

 and we are often led to suppose that the disease has entirely 



ie 



