Being diabetic my eyes were starting to go blurry and according to my Optometrist there was nothing that could be done to help as what causes this is the blood vessels in the back of the eye become dilated and can no longer carry enough oxygen to the eye, and therefor the eyes become blurry. HOWEVER I read in a diabetic magazine that QUERCETIN can reduce this problem by helping the blood vessels. No longer being able to see it was time to turn in my drivers licence, and I hated to do that, so I figured that for the price of a bottle of pills what did I have to lose! If you have this problem TRY THIS!!!!! It has worked wonders for me and my Dr. can not beleive the difference! My eyesight is at 20/20 and I am 71 with diabetes, copd, CHF,RLS,PAD and arthritis. If I didn't know better I think it helps the arthritic problem also but it is hard to tell. I do know that since taking this stuff it hasn't gotten worse!!!! Give it a try if your vision is getting blurry!! God Bless and hug a VET TODAY!