VETERINARY OPHTHALMOLOGY. 49 



paralysis, individually and collectively. When indivi- 

 dual muscles are affected we find restricted motion^ 

 converse to the action of the muscle when physiolo- 

 gically exerted. If complete paralysis of the third pair 

 occurs, then have ptosis, some exophthalmus, ditto 

 dilatation of the pupil and accommodation paralyzed. 

 Movements restricted in all directions, except directly 

 outward. 



Strabisimus or Squint-Many varieties. Usually 

 mono-lateral, which is a faulty position of one eye. May 

 be alternating-the ability to fix with either eye. 

 Also have intermittent or constant. 



Treatment is operative; divide the tendon of the 

 contracting muscle. 



4 



