....the inserts of information in with Glaucoma drops lists all the side effects in eyes and also the side effects in our bodies; but what choice do we have? Ingredients all seem to be chemicals... even dry eye drops, i put some on my arm and 2 hours late the skin was "raised" not red but still can see the outline of where I put those drops! Our poor eyeballs! Lately mine red sore burning and puffy and cannot see my top eyelashes, but 79 so area is "old" ... just wish they didn't sting ..... but, keeping our vision hasn't been a rose garden by any means but one of my worse fears losing it as am sure is for most people.... marsha46 you had Iridotomies 4 times? J.