5 Fast Eye-Health Facts for Screen Users

The 20-20-20 rule is practical guidance, not trial-proven proof.

Symptoms include blurred vision, dryness, headaches, and sore eyes; artificial tears and more blinking may help.

Keep screens arm's length away, slightly below eye level, and reduce glare with lighting changes.

Blue-light glasses are not recommended for eye strain, but night mode is suggested before bed.