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Pupils dilate after death because of the pupillary sphincter muscles associated with the iris (colored portion) of the eye. The pupil is just a hole in the eye! it is not a piece of tissue, skin or something tangible it is just a hole. The pupil appears as though it gets bigger or smaller because of the movement of the iris around it
The Iris is a muscle: It is the IRIS that is actually expanding or contracting in order to regulate the amount of light that enters the eye, when the iris gets bigger the pupil looks smaller when the iris gets smaller the pupil looks bigger.
When you pass away and your system shuts down your muscles experience rigor mortis where your muscles become stiff and locked in a certain position. The iris loses its ability to control movement and becomes locked in a loose retracted state, making the pupil appear to dilate.
Wiki User
∙ 7y ago
Wiki User
∙ 11y agoAfter my dad took his last breath and the last heartbeat was heard 7 minutes later, he was declared dead. Some few minutes after everyone left the room, I opened his eyelid to be sure the eye was dilated but it was not.
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Can steroids cause pupils to dilate
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They don't, narcotics make your pupils dilate.
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Dilated pupils are bigger, and constrictred pupils are smaller.
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Your pupils would dilate
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Pupils don't dilate from light, the constrict. They dilate in the dark, to take in more light, and constrict in the light so your eyes don't get damaged. Hallucinogenics, stimulants and alcohol and make your pupils dilate and opiates and diazepam can make them constrict. Im not sure what that's called though..
What OTC drugs dilate pupils?
Dramamine, Diphenhyramine:)
