06.01.2008 · Best Answer: When bright light is shone on the eye, it will automatically constrict. This is the pupillary reflex, which is an important test of brainstem
Dilation (or the enlargement of the pupil) is caused when the dilator muscles of the iris is contracted. This pulls the iris outwards, causing the pupil to enlarge

• How Long Do Pupils Stay Dilated After an.

The pupil is a hole located in the center of the iris of the eye that allows light to enter the retina. It appears black because light rays entering the pupil are
Mydriasis / m ɨ ˈ d r aɪ. ə s ɪ s / is a dilation of the pupil, usually defined as when having a non-physiological cause, but sometimes defined as potentially

Pupil - Wikipedia, the free encyclopedia

Mydriasis - Wikipedia, the free.

Do barbiturates cause pupil dilation

One pupil bigger than the other · Eye.

Why do your pupils get bigger when your.

Which drugs cause pupils to dilate? Obviously E, but what about weed, LSD, coke + speed?

Drugs That Cause Pupil Dilation

Do barbiturates cause pupil dilation

Which Drugs Cause Pupil Dilation?

Does Alcohol Cause Pupil Dilation