Cat - Tear Ducts
One of the most common questions regarding feline tear ducts concerns the dark, crusty accumulation often found in the corner of a cat’s eyes. Is this a sign of a blocked tear duct?
: This is a symptom where tears spill onto the face instead of draining properly. It often leaves reddish-brown staining on the fur, which is common in flat-faced breeds like Persians due to their facial structure. cat tear ducts

