If you are a person who uses the computer for many hours, or do other work that involves a great visual demand, you will surely appreciate to dedicate a few minutes of your time to your eyes and perform this simple exercise, getting almost completely stop the activity of most of the processes related to vision in just a few minutes.
Kim Focal Dance
Asanas - Ocular Yoga
Introduction to unblocking exercises
Unblocking exercises: eye and body distension
Unlocking exercises: Elephant Dance
Eye expansion along the three axes