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Blinking Patterns Altered

Smartphone gaming induces dry eye symptoms and reduces blinking in school-aged children, researchers at UNSW have found.

Associate Professors Isabelle Jalbert and Blanka Golebiowski and PhD candidate Ms Ngozi Charity Chidi-Egboka studied children playing games on a smartphone continuously for one hour. They found symptoms worsened following one hour of smartphone gaming, but tear film remained unchanged.

Blink rate reduced from 20.8 blinks per minute to 8.9 blinks per minute. Interblink interval increased from 2.9 seconds to 8.7 seconds within the first minute of gaming relative to baseline conversation, and this effect remained unchanged throughout one hour of gaming.

From Insight News August 2022 p.10

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