Page 987 - The Veterinary Care of the Horse

• a tendency to keep the eye half closed

• conjunctival swelling due to oedema
VetBooks.ir • increased tear production; the tears often overflow and run down the horse’s cheeks

especially if the nasolacrimal ducts become blocked as a result of the conjunctivitis

(Figure 21.10)
• a thick yellow discharge if bacterial infection is present (Figure 21.11)

• inflammation of the conjunctiva which appears red with numerous small blood vessels

clearly visible (Figure 21.12)
• possible development of follicles of lymphoid tissue.

Figure 21.10 This pony has conjuctival swelling and tear overflow; the eye is nearly closed because of the pain