Two exercises for your eyes that were shared as part of a good posture workshop at the office. The 20-20-20 is important to stop only focusing on the short distance like we do reading or looking at screen.
20 20 20
Every 20 minutes, look 20 meter away for 20 seconds
round the clock
Close your eyes, imagine a clock and point your eyes toward 12, then 1, then 2 …