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.
Normal pupils get smaller, or constrict, with bright light levels, and enlarge, or dilate, with low or dim light. Changes in pupil size also occur with focusing your eyes and in response to emotion. Pupil dilation can also result from a variety medications or drugs. Eye care professionals often take advantage of eye drops that cause pupil dilation so they can get a better look at the back of the eye during an eye exam. In most other circumstances, pupil dilation from medications or drugs is considered a side effect.