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How do you constrict your pupils under water?
practise how to use tiny muscles in your eyes to constrict your pupils
Can fear cause pupils to constrict?
It causes them to dilate not constrict.
Why do narcotics make pupils constrict?
They don't, narcotics make your pupils dilate.
Would your pupils be dialated in bright light?
No. It will constrict.
What happens to both pupils when light enters?
Pupils "constrict" when light enters, and "dilate "when the lighting dims
How do opiates effect you pupils?
Suboxone causes ocular miosis or small pupils.
Does methamphetemines cause constricted pupils?
no, uppers, acid & ecstacy will dialate your pupils. downers, like heroin and oxy's will constrict "pinpoint" your pupils
What is it called when a person's pupils no longer dilate from the light?
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..
Does adrenaline constrict pupils of the eyes?
dilates them
Do your puples get larger?
Your pupils enlarge in dark light so more light comes in. They constrict in bright light to reduce the amount of light. They are affected by drugs. Many abused/illegal drugs causes the pupils to constrict. This is a neat exercise. Rub the short hairs on the back of your neck below your hairline. Your pupils will constrict and enlarge. It is not known why this occurs. There is a theory that when people lie, their pupils dilate.
Does cocaine cause constricted pupils?
No. It actually dilates them. Opiates (hydrocodone, heroin etc) constrict pupils.
Why do your pupils constrict?
Pupils constrict in response to bright light to reduce the amount of light entering the eye and protect the sensitive retina from potential damage. Conversely, pupils dilate in dim lighting conditions to allow more light into the eye for improved vision in low-light environments.
