“…Hypoplasia and agenesis of the lacrimal gland, chronic blepharoconjunctivitis, traumatic lesions causing glandular parasympathetic denervation, iatrogenic glandular exeresis, and protrusion and hyperplasia of the third eyelid superficial gland are some causes of KCS in dogs (ALMEIDA et al, 2004;FARIAS et al, 2002;MAITCHOUK et al, 2000). KCS can occur as an isolated phenomenon or secondary in association with various types of systemic autoimmune disorders (Sjögren´s syndrome-like syndrome), azosulfapyridine toxicity and canine distemper (KASWAN et al, 1984).…”