If your eyes feel strained after screen time, try this quick calibration test 👀⬇️� After 20–60 minutes on your device, look up and notice how long it takes to refocus on something far away. If it’s slow or blurry, test each eye separately. Then, with the weaker one open, alternate between near and far targets 10 times for 5 sets. If your focus improves afterward, that’s your brain and eye system finally syncing up again — a clue that you’ve been in visual spasm. Spend more time outdoors looking