What is a normal blink rate?
The average person blinks between 15 and 20 times per minute at rest. Each blink spreads a fresh layer of tear film across the surface of the eye, keeping it lubricated and clear. Below 10 blinks per minute, the tear film starts to break down between blinks, causing dryness and irritation.
Why do we blink less at screens?
Studies consistently show that blink rate drops by 60–70% during screen use. The leading theory is that cognitive focus suppresses the blink reflex — the same way you blink less when threading a needle or reading something difficult. The result is a condition known as computer vision syndrome, affecting an estimated 50–90% of regular computer users.
What causes a low blink rate?
Beyond screen use, low blink rate is associated with Parkinson's disease, certain medications, contact lens wear, and dry or air-conditioned environments. If you consistently blink fewer than 8 times per minute at rest (away from screens), it's worth mentioning to an eye care professional.
How to increase your blink rate
The most effective approach is awareness — simply knowing your rate tends to bring it up. Conscious blinking exercises (five slow, deliberate blinks every 20 minutes) help reset the tear film. Using a tool like blink! to monitor your rate in real time means you get nudged the moment it drops, rather than hours later when the damage is done.