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What Is Dry Eye (Keratoconjunctivitis Sicca / KCS)? Signs and Treatment Process

Prof. Dr. Murat ŞaroğluUpdated on June 1, 2026

Dry eye disease — medically known as Keratoconjunctivitis Sicca (KCS) — is a chronic eye problem that develops as a result of insufficient tear production. It can become chronic over time and may require long-term follow-up. Below you will find its signs and treatment process.

What is dry eye (KCS)?

Dry eye, medically known as Keratoconjunctivitis Sicca (KCS), is a chronic eye problem caused by insufficient tear production. When tear production is inadequate, the surface of the eye becomes irritated and susceptible to infections.

What are the signs?

  • Sticky eye discharge
  • Recurring infections
  • Constant discomfort in the eye

Treatment process and the importance of follow-up

Dry eye disease can become chronic over time and may require long-term follow-up. Early diagnosis and regular treatment are important for maintaining eye health and preventing complications.

This article is for informational purposes only and does not replace a veterinary examination. If you have any concern about your companion’s eyes, please consult a veterinary ophthalmologist.

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