ABO NOCE Practice Test 2026 - Free Optician Certification Practice Questions and Study Guide

Question: 1 / 400

Which technique is commonly used to manage digital eye strain?

The 10-10-10 rule

The 20-20-20 rule

The technique known as the 20-20-20 rule is widely recommended for managing digital eye strain. This rule suggests that for every 20 minutes spent looking at a digital screen, one should take a break by looking at something 20 feet away for at least 20 seconds. This practice helps to alleviate eye strain by allowing the eye muscles to relax and reduce focusing fatigue.

In addition to providing relief from discomfort, this technique also encourages shifts in focus which can help prevent issues such as dry eyes and blurred vision, both of which are common when using screens for extended periods. By adhering to this simple guideline, individuals can effectively manage and reduce the symptoms associated with prolonged screen time, promoting overall eye health.

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The 15-15-15 rule

The 30-30-30 rule

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