DilateMiosisPupillaryDilationGlassyDilatesAnisocoriaIpsilateralStimulantsReactivityOcularRapidlyReact to lightSizeIrisProfessorsStimuliImpairmentEarsExaminationFindingsEyesSymptomsMovementsLightSobrietyDiameterDropsTestsExplanationResponseBackFocusNerveResearchersCloseRequiresSideDaysBodyProvideVarietyVaryObjectsMoment
Dilate8
- When the person focuses on a more distant object (say the far side of the room), the pupil (which would normally dilate immediately) remains constricted for several minutes, and then slowly dilates back to the expected size. (wikipedia.org)
- The eyes are such a fantastic assessment tool," he said, pointing to the fact that if a person is on depressants, their pupils constrict, while on stimulants, they dilate. (trucknews.com)
- In this test, a light is shone into your eye and the iris is observed for its ability to constrict (reduce in size) and dilate (increase in size). (vision-surgery.com)
- Stimulation of thesympathetic nervous system, which is known for triggering a fight-or-flight response when the body is under stress, can also cause the pupil to dilate. (papasindiagrill.com)
- In Horner's syndrome, the pupil in the involved eye is smaller and does not get bigger (dilate) as well as the other eye. (papasindiagrill.com)
- The pupils consensually constrict in the presence of light, and rapidly re-dilate when the light source is removed. (derangedphysiology.com)
- With rapid sequential light stimulus, the affected pupil will paradoxically dilate in response to light. (derangedphysiology.com)
- With the darkness stimulating the dilation of both pupils, and the light stimulating nothing (owing to the optic nerve pathology on the tested side), the pupil exposed to light will dilate abnormally, until it is the same diameter as the unlit pupil. (derangedphysiology.com)
Miosis2
- Horner syndrome (Horner's syndrome or oculosympathetic paresis) results from an interruption of the sympathetic nerve supply to the eye and is characterized by the classic triad of miosis (ie, constricted pupil), partial ptosis , and loss of hemifacial sweating (ie, anhidrosis), as well as enophthalmos (sinking of the eyeball into the bony cavity that protects the eye). (medscape.com)
- 2. Miosis [constricted pupils] has been observed in 14% of cases while disorientation has been seen in 39% of the cases. (envirosagainstwar.org)
Pupillary2
- These neurons supply the pupillary sphincter muscle, which constricts the pupil, and the ciliary muscle which contracts to make the lens more convex. (wikipedia.org)
- The pupillary change was quantified using the post-illumination pupil response (PIPR) amplitudes after blue-light (experimental condition) and red-light (control condition) pulses in the time window between 2 s and 6 s post-illumination. (bvsalud.org)
Dilation4
- However, are you on any medications which may cause pupil dilation? (papasindiagrill.com)
- Pupil dilation is not a conclusive way to assess sobriety. (papasindiagrill.com)
- Sudden pupil dilation that isnt caused by light change. (papasindiagrill.com)
- A mydriatic is an agent that induces dilation of the pupil. (papasindiagrill.com)
Glassy1
- The trooper further noted that Housley's eyes appeared to be watery and glassy and that his pupils looked constricted. (wisnerbaum.com)
Dilates1
- The pupil dilates to observe distant objects, and constricts to regard near objects. (derangedphysiology.com)
Anisocoria2
- A person with anisocoria (one pupil bigger than the other) whose pupil does not react to light (does not constrict when exposed to bright light) most likely has Adie syndrome - idiopathic degeneration of the ciliary ganglion. (wikipedia.org)
- Anisocoria (both pupils are different sizes). (papasindiagrill.com)
Ipsilateral1
- During the swinging light test, there is a moment when the contralateral (healthy) pupil is again submerged in darkness, while the ipsilateral (affected) pupil has light shining upon it. (derangedphysiology.com)
Stimulants1
- The officer's observations of slow/belabored movements, as well as getting HGN (i.e. nystagmus in her eyes), was inconsistent with one who is under the influence of a stimulants. (duidefendersorlando.com)
Reactivity1
- This important topic has come up in Question 5 from the first paper of 2007, which asked about pupil reactivity and diameter in the context of coma. (derangedphysiology.com)
Ocular1
- The ocular motor module (OMM), a video-based image processing computer system, generates visual stimuli for testing ocular motor and pupil function. (druglibrary.net)
Rapidly1
- When a person with an Adie pupil attempts to focus on a nearby object, the pupil (which would normally constrict rapidly) constricts slowly. (wikipedia.org)
React to light1
- Diseases of the ciliary ganglion produce a "tonic pupil", which is a pupil that does not react to light (it is "fixed") and has an abnormally slow and prolonged response to attempted near vision (accommodation). (wikipedia.org)
Size6
- Measures include nystagmus, smooth pursuit, pupil size in darkness, and pupil response to dim light (approx. (druglibrary.net)
- No significant effects were noted on corneal sensitivity, tear secretion, or pupil size. (theodora.com)
- Obviously, doctors and healthcare professionals quickly learn to recognize the symptoms of opioid overdoses, which include very constricted pupils the size of a pinhead. (medscape.com)
- I decided to run a few short experiments that could test the basic eye-tracking metrics: point-of-regard estimation accuracy and precision, saccade trajectory and velocity, and changes pupil size. (pygaze.org)
- Pupils change in size to control how much light enters your eye. (papasindiagrill.com)
- If the pupil doesn't vary in size in response to changes in lighting and gaze, there might be something wrong. (papasindiagrill.com)
Iris2
- This means that every time the patient accommodates her gaze to a near object, some of the innervation to the ciliary muscle will spill over into the iris and constrict the pupil. (wikipedia.org)
- Experimenting with mice, neuroscientists at Johns Hopkins Medicine report new evidence that the eye's iris in many lower mammals directly senses light and causes the pupil to constrict without involving the brain. (jhu.edu)
Professors2
- Number of of us, pupils or professors, choose it straightforward to complete. (jamesdevol.com)
- Very few of us, pupils or professors, get it trouble-free to attempt. (faa.org.au)
Stimuli1
- An image processing system generates visual stimuli for testing oculomotor and pupil function. (druglibrary.net)
Impairment2
- Eye measures are sensitive and reliable indices of impairing substances, and officers properly trained in observation methods tend to rely heavily on them as evidence of impairment. (druglibrary.net)
- Reasonable cause declares a legal duty for supervisors to immediately investigate any reports or observations of impairment, or on-the-job drug use, including prescription medication, as not all are safe to use in the workplace. (trucknews.com)
Ears1
- An anxious cat manifests physical symptoms, such as sideways or backward facing ears, widened eyes with dilated pupils, and an increased respiratory rate. (dutch.com)
Examination1
- Physical examination in the emergency department noted that Officer 1 was alert and there were "no constricted pupils. (cdc.gov)
Findings1
Eyes3
- In a report in the June 19 issue of the journal Current Biology , Neuroscience Professor King-Wai Yau and colleagues detail how the pupils in a mouse's eyes get smaller when the animal is moved from a dark to a lit room even when the nerve connections between the animal's brain and eyes are severed. (jhu.edu)
- Bug-eyed or Narrowed Eyes - A frightened cat will appear bug-eyed with pupils dilated. (modkat.eu)
- The experimenters found that when they shined a light in the eyes of one of the men, the pupils of the other man constricted just as if the light were shining in his eyes at that moment , though he was in that Faraday cage some distance away and no light was actually being shined in his eyes. (healingheartissues.com)
Symptoms1
- Activation of the sympathetic nerve system-such as in a dangerous situation that mobilizes the flight response-can result in dilated pupils, dry mouth, restlessness, higher risk readiness, and other observable symptoms. (aacc.org)
Movements1
- Eye signs, including nystagmus, a lack of smooth pursuit movements, and constricted or dilated pupils, are an important component of the testing procedures. (druglibrary.net)
Light6
- EMS providers noted that Officer 1's pupils were 4 mm (normal range is 2-4mm in diameter depending on ambient light) and reactive. (cdc.gov)
- The mammalian eye adapts to changing light conditions by constricting or enlarging the pupil. (jhu.edu)
- The traditional view of this reflex is that light triggers nerve signals traveling from the eye's retina to the brain, thereby activating returning nerve signals, relayed by the neurotransmitter acetylcholine, that make the sphincter muscle contract and constrict the pupil," says King-Wai Yau, Ph.D. , a neuroscientist at the Johns Hopkins University School of Medicine and an author of the report. (jhu.edu)
- The simplest explanation for that observation would be that the muscle is itself sensitive to light. (jhu.edu)
- Many years later researchers extended Keeler's observation, showing that mice genetically engineered to lack rods and cones (the light receptors involved in vision) nonetheless reacted to changes in light by adjusting their circadian clock-the internal timer that synchronizes hormone activity, body temperature and sleep. (stackexchange.com)
- Normal pupils are 2 to 4 millimeters in bright light and 4 to 8 millimeters in the dark. (papasindiagrill.com)
Sobriety1
- Thus, DUI cases involving prescription medications often rely on officer observations, field sobriety tests, and expert witness testimonies. (knoxcrimdefense.com)
Diameter1
- The effect of morphine was assessed by measuring pupil diameter and ventilatory response to a hypercapnic challenge. (silverchair.com)
Drops2
- A comprehensive eye exam requires that your pupils be dilated with eye drops. (vision-surgery.com)
- Optometrists and ophthalmologists often use drops todilate your pupils during an eye exam. (papasindiagrill.com)
Tests2
- Because there is no drug equivalent of a BAC test, law enforcement officers developed a series of 12 tests and observations to help identify drug intoxication. (dougmurphylaw.com)
- What additional tests (observations) would you do to confirm the location? (humangrossanatomy.us)
Explanation1
- Based on these observations, Loewenfeld proposed an explanation of the tonic pupil. (wikipedia.org)
Response1
- Fifteen individuals participated in the pupil response experiment and thirty-two individuals in the contrast sensitivity experiment. (bvsalud.org)
Back1
- When prescribed medications cause it, the pupils will go back to normal after the effect diminishes and you stop taking the medication. (papasindiagrill.com)
Focus2
- In an angry cat, the pupils constrict to focus more effectively on the subject at hand. (modkat.eu)
- Because riflescopes have a very long eye relief (80mm to 120mm in some special models) and because their exit pupil is much larger (up to 13mm at lower magnifications), I could get reliable focus readings using the above lens attached my Nikon D3 SLR camera body. (birdforum.net)
Nerve1
- She noted that pathological destruction of nerve cells in the ciliary ganglion that is found in all cases of Adie pupil. (wikipedia.org)
Researchers1
- As a result, our researchers developed the method of unaffected observation (Figure 1) based on an escalating series of communication and recognition processes that police can use to classify a person as affected by a drug. (aacc.org)
Close3
- On close inspection, the constricted pupil is not perfectly round. (wikipedia.org)
- Families and caregivers should be advised of the need for close observation and communication with the prescriber. (wikidoc.org)
- Wescott sits upright in his hammock and the camera shows a close-up of Wescott s bloodshot, constricting pupils. (chipanddale.se)
Requires1
- It requires patience, keen observation, and sometimes a bit of trial and error. (pawversity.com)
Side1
- Constricted, or small pupils, can occur for a variety of reasons including eye injuries, brain trauma, medication side effects and stroke. (papasindiagrill.com)
Days1
- It will last 3-7 days in most depending upon the biochemistry of the pupil and the color of How long do the effects of heroine (dilated pupils) last? (papasindiagrill.com)
Body1
- distinct hemipenial morphology, highlighted by a long base and a large naked belt constricting the base and hemipenial body, long lobes with prominent spines, and each sulcus spermaticus extends centrolinearly as a narrow duct through each lobe (Fig. S12). (reptarium.cz)
Provide1
- Such regulations could seem demanding and constricting, nonetheless they provide the liberation of self willpower. (faa.org.au)
Variety1
- This claim is supported by the observation that, potentially due to our shared biology, finger counting is prevalent among a variety of cultures. (bvsalud.org)
Vary1
- Treatment methods for skull fractures vary between observations only. (drcetinisik.com)
Objects1
- This is why you can see dimmer objects at night -- when your pupils are dilated -- than you can when your pupils are constricted. (scienceblogs.com)
Moment1
- I'm reading your other post at the moment which is an interesting observation. (dyatlovpass.com)