The 20-20-20 Rule: Fact or fiction?
Communications Committee BC Doctors of Optometry Have you ever heard of the “20-20-20 Rule”? – it might not be what you thought it was! The “20-20-20 Rule” is an unofficial guideline that optometrists may sometimes use to help patients prevent eye strain and preserve their vision. It requires people to take a break every 20 […]
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