4 reasons: What are the causes of eye strain?

1. A screen with poor illumination or glare

2. Vision issues that go untreated and necessitate glasses

3. Bad posture or screen positioning

4. Additional elements that contribute to common eye dryness

For instance, many people already experience some degree of eye dryness, which is exacerbated by computer use. 

Your eyes must be cleaned and moisturized by blinking. Although the average individual blinks approximately 20 times per minute while at rest,

gazing at a screen causes that rate to drop to only four to five times per minute. Eyelid twitching may also be brought on

by dryness associated with ocular strain. One explanation is that you blink less while you're concentrating on a screen.

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