Cool site goodluck <a href=" http://www.lescols.com/side-effects-of-viswiss-pills/ ">is viswiss fda approved</a> The diseases collectively known as glaucoma damage the eye's optic nerve and often lead to the slow loss of peripheral vision. Glaucoma also affects about two million U.S. adults, but only about one million people know they have it, according to the Glaucoma Research Foundation. Neither glaucoma nor macular degeneration is reversible.