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.
Usually the focusing comes back faster than the dilation just as you have described. Most dilation drops last 3-4 hours with a small number of patients staying dilated for 24-36 hours. If they used homatropine or atropine for some reason, you can stay dilated several days to several weeks. It is always a good idea to let the office know if you are still dilated the next day.