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Pupils of both sexes dilated after seeing pictures of people of the opposite sex. In females, the difference in pupil size occurred also after seeing pictures of babies and mothers with babies. This examination showed that pupils react not only to the changes of intensity of light (pupillary light reflex) but also reflect arousal or emotions.
Dilation and constriction of the pupil. Pupillary response is a physiological response that varies the size of the pupil, via the optic and oculomotor cranial nerve.. A constriction response (), [1] is the narrowing of the pupil, which may be caused by scleral buckles or drugs such as opiates/opioids or anti-hypertension medications.
16th episode of the 13th season of The Simpsons "Weekend at Burnsie's" The Simpsons episode Episode no. Season 13 Episode 16 Directed by Michael Marcantel Written by Jon Vitti Production code DABF11 Original air date April 7, 2002 (2002-04-07) Guest appearance Phish as themselves Episode features Couch gag The couch is replaced by a hedge. A gardener comes in and creates a topiary statue of ...
Both pupils are dilated (mydriasis) because of hyper-activation of the sympathetic system caused by the psychedelic drug LSD Mydriasis with the pupil dilated to 9mm in diameter as a result of dim lighting. Most individuals are not able to achieve pupillary dilation to this extent without mydriatic agents
Here’s what we know about Nedoroscik’s vision: He has a disease that leaves his eyes permanently dilated, according to the Athletic.In the past, he competed while wearing goggles — given to ...
Light entering the eye strikes three different photoreceptors in the retina: the familiar rods and cones used in image forming and the more newly discovered photosensitive ganglion cells. The ganglion cells give information about ambient light levels, and react sluggishly compared to the rods and cones.
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The red-eye effect in photography is the common appearance of red pupils in color photographs of human eyes. It occurs when using a photographic flash at low lighting or at night. When a flash passes through the eyes and rebounds at the back of the eye, it causes a red reflex in an image, turning the subject's eyes red.