Acute toxicity is generally higher for inorganic arsenic compounds than for organic arsenic compounds. Oral intake of more than 100 mg is lethal. The lethal dose of arsenic trioxide is 10-180 mg, and for arsenide this is 70-210 mg. The mechanism of toxicity is binding and blocking sulphur enzymes.
Second, you can wear coloured-contacts that can constricts pupils. Third, you can stay in a brighter place to undilate your eyes faster. In all, if you really suffer from a dilated eyes, the healthy way is to wait until it undilated by themselves. 05/13/2013. good (1) Report Abuse.
Rating Newest Oldest. Best Answer: It depends on the kind of drops that the Dr. uses and how your eyes react to them. Usually they will stay dilated 3-5 hours, but you will be sensitive to the light for almost 6 hours. Everyone is different. When I get my eyes dilated they tend to stay dilated for almost 12 hours. There is a drop that the Dr. can use to return your pupil to normal in about 30 minutes, but it puts a lot of stress on your eyes so they don't recommend it.