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*  Pretectal area
The pupillary light reflex is mediated by the pretectum. This reflex is responsible for the constriction of the pupils upon ... Gamlin, PD; Zhang, H; Clarke, RJ (1995). "Luminance neurons in the pretectal olivary nucleus mediate the pupillary light reflex ... it is involved primarily in mediating behavioral responses to acute changes in ambient light such as the pupillary light reflex ... MAGOUN, H. W.; RANSON, S. W. (1 May 1935). "THE CENTRAL PATH OF THE LIGHT REFLEX: A STUDY OF THE EFFECT OF LESIONS". Archives ...
*  Opsin
Another opsin found in the mammalian retina, melanopsin, is involved in circadian rhythms and pupillary reflex but not in image ... The r-opsin melanopsin is also expressed in vertebrates, where it regulates circadian rhythms and mediates the pupillary reflex ... Involved in circadian rhythms, pupillary reflex, and color correction in high-brightness situations. Phylogenetically a member ...
*  Menace reflex
For example, an animal with polioencephalomalacia will lack the menace reflex, but will still have the pupillary light reflex. ... can cause loss of the menace reflex while leaving the other blink reflexes, such as the dazzle reflex, unaffected. The presence ... It is the reflex blinking that occurs in response to the rapid approach of an object. The reflex comprises blinking of the ... leaving the pupillary light reflex unaffected. Contrastingly, an animal with ocular hypovitaminosis-A will suffer from ...
*  Pupillary reflex
... refers to one of the reflexes associated with pupillary function. Types include: Pupillary light reflex ... Accommodation reflex See also: Pupillary response Although pupillary dilation is not usually called a "reflex", it is still ...
*  Pupillary light reflex
Pupillary reflex is synonymous with pupillary response, which may be pupillary constriction or dilation. Pupillary reflex is ... A direct pupillary reflex is pupillary response to light that enters the ipsilateral (same) eye. A consensual pupillary reflex ... Play media The pupillary light reflex (PLR) or photopupillary reflex is a reflex that controls the diameter of the pupil, in ... Lack of the pupillary reflex or an abnormal pupillary reflex can be caused by optic nerve damage, oculomotor nerve damage, ...
*  List of reflexes (by organ)
Oculocephalic reflex Pupillary light reflex Vestibulo-ocular reflex Corneal reflex Oculocardiac reflex Ciliospinal reflex ... This is a list of reflexes by organ: ...
*  Parrot's sign
... it may be a pupillary reflex elicited by skin pinch. Parrot's Node at The Free Dictionary. ...
*  Consensual response
Pupillary light reflex - Clinical significance section.. ... A consensual response is any reflex observed on one side of the ...
*  Surprise (emotion)
Ellis, CJ (1981). "The pupillary light reflex in normal subjects". Br J Ophthalmol. 65 (11): 754-9. doi:10.1136/bjo.65.11.754. ... reaching the pons within 3 to 8 ms and the full startle reflex occurring in less than two tenths of a second. If the startle ...
*  Lambert-Eaton myasthenic syndrome
... reflex strength increases. This is a characteristic feature of LEMS. The pupillary light reflex may be sluggish. In LEMS ... reflexes are typically reduced; with muscle use, ...
*  Photoreceptor cell
These cells do not contribute to sight directly, but are thought to support circadian rhythms and pupillary reflex. There are ... Beside circadian / behavioral functions, ipRGCs have a role in initiating the pupillary light reflex. Dennis Dacey with ... pupillary reflex and other non-visual responses to light. Melanopsin functionally resembles invertebrate opsins. When light ... 2007). "Short-wavelength light sensitivity of circadian, pupillary, and visual awareness in humans lacking an outer retina". ...
*  Leukocoria
... (also leukokoria or white pupillary reflex) is an abnormal white reflection from the retina of the eye. Leukocoria ... Leukocoria can be detected by a routine eye exam (see Ophthalmoscopy). For screening purposes, the red reflex test is used. In ...
*  Pupillary response
Latency of pupillary reflex to light stimulation and its relationship to aging (PDF), Federal Aviation Agency, Office of ... Dilated fundus examination Iris sphincter muscle Pupillary light reflex Pupillometry Pupilometer Ellis CJ (November 1981). "The ... A pupillary response can be intentionally conditioned as a Pavlovian response to some stimuli. The latency of pupillary ... Pupillary response is a physiological response that varies the size of the pupil, via the optic and oculomotor cranial nerve. A ...
*  Prism score of pediatric mortality
The variables most predictive of mortality were minimum systolic blood pressure, abnormal pupillary reflexes, and stupor/coma. ...
*  Commissural fiber
It is important in the bilateral pupillary light reflex. Evidence suggests the posterior commissure is a tract that plays a ...
*  Posterior commissure
It is important in the bilateral pupillary light reflex. Its fibers acquire their medullary sheaths early, but their ... The posterior commissure interconnects the pretectal nuclei, mediating the consensual pupillary light reflex. This article ...
*  Sudden acquired retinal degeneration (disease)
Pupillary light reflexes are usually reduced but present; the slow phase mediated by melanopsin in retinal ganglion cells is ...
*  Great cerebral vein
... disturbance of eye movements and pupillary reflexes, or coma. Thrombosis of the cerebral vein is often deadly but can be ...
*  Progressive retinal atrophy
Other symptoms include dilated pupils and decreased pupillary light reflex. Fundoscopy to examine the retina will show ...
*  Marcus Gunn pupil
... and an intact consensual pupillary reflex). Thus, light shone in the affected eye will produce less pupillary constriction than ... This indicates an intact direct and consensual pupillary light reflex. When the test is performed in an eye with an afferent ... Argyll Robertson pupil Adie syndrome Anisocoria Cycloplegia Miosis Parinaud's syndrome Syphilis Pupillary light reflex " ... The Marcus Gunn pupil is a relative afferent pupillary defect indicating a decreased pupillary response to light in the ...
*  Neuro-ophthalmology
... or pupillary reflexes. Neuro-ophthalmologists often see patients with complex multi-system disease and "zebras" are not ...
*  Photophobia
Fan X, Miles JH, Takahashi N, Yao G (November 2009). "Abnormal transient pupillary light reflex in individuals with autism ... Photic sneeze reflex, a medical condition by which people exposed to bright light sneeze Photosensitivity in humans ... Pupillary dilation (naturally or chemically induced) Retinal detachment Scarring of the cornea or sclera Uveitis Neurological ...
*  Visual system
Lucas RJ, Hattar S, Takao M, Berson DM, Foster RG, Yau KW (January 2003). "Diminished pupillary light reflex at high ... Non-image forming visual functions, independent of visual perception, include the pupillary light reflex (PLR) and circadian ... pupillary reflex), to several structures involved in the control of circadian rhythms and sleep such as the suprachiasmatic ... Nuclei of the optic tract are involved in smooth pursuit eye movement and the accommodation reflex, as well as REM. The ...
*  Photometria
This is the first known attempt to quantify pupillary light reflex. 5. Atmospheric refraction and absorption Using the laws of ...
*  King-Wai Yau
Lucas RJ, Hattar S, Berson DM, Foster RG, Yau K-W (2003). "Diminished pupillary light reflex at high irradiances in melanopsin- ... to mediate mostly non-image vision such as pupillary light reflex and photoentrainment of the circadian rhythm). He has made ... "Diminished pupillary light reflex at high irradiances in melanopsin-knockout mice", 608 citations 2005 "Melanopsin-expressing ...
*  Sertindole
Incoordination Libido decreased Libido increased Miosis Nystagmus Personality disorder Psychosis Reflexes decreased Reflexes ... discolouration Skin hypertrophy Skin ulcer Abnormal vision Keratoconjunctivitis Lacrimation disorder Otitis externa Pupillary ...
*  Norrie disease
The first visible finding is leukocoria, a grayish-yellow pupillary reflex that originates from a mass of unorganized tissue ...