Glaucoma and cataracts are common and painful eye conditions in dogs that significantly impair vision and quality of life, requiring prompt diagnosis and appropriate medical or surgical treatment to prevent unnecessary suffering.
Glaucoma causes severe ocular pain equivalent to a persistent migraine headache. Dogs with acute glaucoma frequently show pain signs including head pressing, squinting, tearing, and reluctance to be touched around the head. Without emergency treatment, irreversible blindness occurs within 24-72 hours. Even with treatment, many dogs require eventual enucleation (eye removal) when the eye can no longer be managed medically — a procedure that, while drastic-appearing, relieves chronic pain and is well-tolerated by dogs. Cataracts cause progressive visual impairment that reduces confidence and increases anxiety in unfamiliar environments, though surgical correction provides excellent outcomes. Regular ophthalmological screening in predisposed breeds allows early detection and management before acute crises develop.