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Pupils dilate when there's not enough light in the room or area you're in. They dilate to let in as much light as possible so you can see as well as you can in the dark. When outside and it's bright, your pupils get smaller because there is too much light. ~
~Imadork881 changed to Sleenky ^.^
What else can I help you with?
Does adrenaline constrict pupils of the eyes?
dilates them
Does cocaine cause constricted pupils?
No. It actually dilates them. Opiates (hydrocodone, heroin etc) constrict pupils.
What reason will your pupils dilate at night?
When there is insufficient lights. Pupil will dilates so as to see better in dim light.
Why do your geckos pupils get bigger then get smaller?
The same as ours do... light constricts (smaller), darkness dilates (larger) the pupil.
When your pupils get bigger do your irises get smaller?
No, when your pupils get bigger (dilate), your irises do not get smaller. The iris is the colored part of the eye that controls the size of the pupil. When the pupil dilates, the muscles in the iris relax, allowing the pupil to expand, but the overall size of the iris remains the same.
Why are both eyes dialated with NO drugs?
The part of the eye that dilates is known as the pupil. It sometimes dilates when you look at someone that you are physically attracted to. This happens because of a chemical reaction in your brain. Pupils also dilate according to how much light is present to allow better vision. Pupils are dilated when there is little light available. You can test this out by looking in a mirror where there is a lot of light (your pupils should be very small because allowing too much light in damages the eyes). Then look into a mirror where there is less light and your pupils will have dilated. During a concussion, a person may also have dilated pupils. I'm not sure why, but probably as a result due to the force of impact sustained by the head.
What effect does psilocybin drug have on your pupils?
If taken orally, the drug will just dilate your pupils very much. If taken through the nostril in a crushed form, it may cause your eyes to water, redden, and will dilate them even more because the ecstasy hits the bloodstream near your eyes quicker this way.
Does alcohol constrict or dialate your pupils?
Alcohol dilates peripheral blood vessels, but has been known to actuallyconstrict some blood vessels in the brain, lowering the oxygen content.
What happens to the pupil when the eye focuses on distant objects?
The pupils' size change in response to the degree of light that is entering the. Dilation depends less on the distance of the object from the eye and more on how many light rays are in the field of vision.
Why pupils becomes bigger in Dim light?
In dim light, the iris of the eye dilates to allow more light to enter the eye. This dilation is a natural response to low light conditions and helps improve visibility by letting more light reach the retina. This is why pupils appear larger in dim light.
What does the medical term dilated mean?
Dilate means "to become wider."For example:His pupils dilated when he saw her.The cervix dilates prior to giving birth so that the fetus can transit the vagina.
What does dilate mean?
Dilate means "to become wider."For example:His pupils dilated when he saw her.The cervix dilates prior to giving birth so that the fetus can transit the vagina.
