Among the subtle ways cats communicate, the slow blink is a unique gesture. It consists of a deliberate, languid closing and opening of the eyes, often lasting for more than half a second. This non-verbal language conveys information to humans and other animals. Understanding this behavior offers insight into a cat’s emotional state and its perception of the environment.
The Meaning of a Cat’s Slow Blink
The feline slow blink is interpreted by animal behavior experts as a signal of trust and contentment. From a biological standpoint, closing one’s eyes is an act of vulnerability. A cat must remain alert to potential dangers, so by slow blinking at a person, it indicates that it feels secure enough to lower its defenses.
This gesture is sometimes called a “cat kiss” and functions as a non-threatening signal. A study by the University of Sussex found that cats were more likely to slow blink at their owners after their owners had slow blinked at them. The study also showed that cats were more inclined to approach a person who slow blinked compared to someone with a neutral expression.
This behavior is not just reserved for human interaction; cats also use it with each other to show they are not a threat. This communicates peaceful intentions.
How to Slow Blink at a Cat
To communicate with a cat in its own language, you can initiate a slow blink exchange. It is best to attempt this when the cat is already calm and in a familiar setting. Gain the cat’s soft focus from a comfortable distance; avoid a direct, hard stare, which can be interpreted as confrontational.
Once you have the cat’s attention, relax the muscles in your face. Slowly close your eyes for a couple of seconds, then slowly open them again. The entire motion should be gentle and deliberate to signal that you are not a threat.
After you have blinked, observe the cat’s response. A returned slow blink is a sign that the cat has understood and accepted your gesture. Even if the cat does not blink back, it might hold your gaze softly or look away, which is a positive outcome indicating the cat feels secure. The interaction should always feel calm and never be forced.
When Blinking Isn’t a Sign of Affection
It is important to distinguish the slow blink of a contented cat from eye behaviors that may signal a medical problem. A squint often indicates pain or discomfort. Rapid blinking, squinting in one or both eyes, or the cat holding an eye completely shut may be a sign of inflammation or injury.
A cat’s third eyelid, or nictitating membrane, may also become visible if there is an issue. Contact a veterinarian if you see accompanying symptoms such as:
- Redness of the eye
- Excessive tearing
- Colored discharge, such as yellow or green mucus
- Pawing at the eye
These signs could point to conditions like a corneal ulcer, allergies, or an infection. If your cat doesn’t slow blink, it is not a negative reflection of your bond. Cats display affection in other ways, including purring, kneading, or head-butting, as every cat has a unique personality.