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Dry Eye
Keratoconjunctivitis sicca (KCS) — insufficient tear production causing chronic eye irritation.
Key Facts
- Most common cause: immune-mediated destruction of tear glands
- Predisposed breeds: American Cocker Spaniel, Miniature Schnauzer, Westie
- Schirmer Tear Test: <10mm is dry, <5mm is severely dry
- Cyclosporine eye drops: breakthrough treatment, restores tear production
- Even eyes with Schirmer values of 2mm have 80% chance of responding
- Treatment almost always lifelong
- Tacrolimus alternative for cyclosporine non-responders