Hello! Do you have a lot of near work, as in computer usage?
If so it is advisable to do a few exercises to reduce eyestrain. If you can do 1-2 hrs of outdoor activity per day it would be best. if that is not possible just look out of the window at distant objects for 20 to 30 minutes. This will relax your eyes and also force it to do distant viewing as well.
Health Tips
Good diet and proper posture will also help