Are lumify eye drops safe to use for occasional or even long term use ?

Lumify: Contains brimonidine tartrate which is the ingredient in Alphagan an anti glaucoma eye drop - it lower the eye pressure. The dose in Lumify is 1/4 that of Alphagan thats why it can be sold over the counter. It is an alpha-2 agonist and causes ocular hypotension and decreases aquaeous humor and decreases outflow. https://www.rxlist.com/alphagan-p-drug.htm#medguide