Pupillary light reflex - Wikipedia
The pupillary light reflex (PLR) or photopupillary reflex is a reflex that controls the diameter of the pupil, in response to the intensity of light that falls on the retinal ganglion cells of the retina in …
Understanding Causes of Pupillary Light Reflex Loss
2024年9月2日 · The pupillary light reflex (PLR) is a vital physiological mechanism that causes pupil constriction in response to light stimulation. This reflex is critical for maintaining optimal …
Pupillary Light Reflex - StatPearls - NCBI Bookshelf
2023年7月25日 · Abnormal pupillary light reflex can be found in optic nerve injury, oculomotor nerve damage, brain stem lesions, such as tumors, and medications like barbiturates. The …
Childhood Eye Examination | AAFP
2013年8月15日 · In a corneal light reflex test, the child's attention is attracted to a target (a light or a brightly colored object), while a light in front of the child is directed at the child's eyes.
The pupillary light reflex in normal subjects - PMC
In 19 normal subjects the pupillary reflex to light was studied over a range of stimulus intensities by infrared electronic pupillography and analysed by a computer technique. Increasing …
How to test for a relative afferent pupillary defect (RAPD)
This article explains how careful examination of the pupil light reflex can reveal valuable information about the afferent (optic nerve) and efferent (oculomotor nerve) light reflex …
What Is The Pupillary Light Reflex? - Science ABC
2024年6月2日 · What Is The Pupillary Light Reflex? The pupillary light reflex is a reflex that controls the diameter of the pupil when it is exposed to varying intensities of light. This allows …
PUPILLARY REFLEXES AND THEIR ABNORMALITIES - Optography
2021年12月14日 · PUPILLARY REFLEXES:- There are all total three pupillary reflexes – Light reflex, Near reflex and Psychosensory reflex. Light Reflex: When light is shone to either of the …
Testing the red reflex - PMC - PubMed Central (PMC)
The ‘red’ reflex (which appears paler in children with darker skin and a pigmented fundus) can reveal problems in the cornea, the lens, the vitreous, and the retina. It is particularly useful in …
Pupillary Light Reflex: Mechanism, Function, and Clinical
2023年7月22日 · Explore the mechanism, function, and clinical significance of the pupillary light reflex, a vital neurological response of the eye. Gain insights into its role in assessing …