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Pupillary light reflex. Variation in the size of the pupil in bright (left) and dim (right) environments. In this case the pupil is 3 mm in diameter on the left, and 9 mm on the right. The pupillary light reflex ( PLR) or photopupillary reflex is a reflex that controls the diameter of the pupil, in response to the intensity ( luminance) of ...
Lisa Lopes. Lisa Nicole Lopes (May 27, 1971 – April 25, 2002), better known by her stage name Left Eye, was an American rapper and singer. She was a member of the R&B girl group TLC, alongside Tionne "T-Boz" Watkins and Rozonda "Chilli" Thomas. Besides rapping and singing on TLC recordings, Lopes was the creative force behind the group ...
Sixth nerve palsy, or abducens nerve palsy, is a disorder associated with dysfunction of cranial nerveVI (the abducens nerve), which is responsible for causing contraction of the lateral rectus muscleto abduct(i.e., turn out) the eye.[1] The inability of an eye to turn outward, results in a convergent strabismusor esotropiaof which the primary ...
Ocular dominance, sometimes called eye preference or eyedness, [1] is the tendency to prefer visual input from one eye to the other. [2] It is somewhat analogous to the laterality of right- or left- handedness; however, the side of the dominant eye and the dominant hand do not always match. [3] This is because both hemispheres control both eyes ...
A photoreceptor cell is a specialized type of neuroepithelial cell found in the retina that is capable of visual phototransduction. The great biological importance of photoreceptors is that they convert light (visible electromagnetic radiation) into signals that can stimulate biological processes. To be more specific, photoreceptor proteins in ...
Depending on availability, you can stay in either the Strachan Mansion or the 1873 Lighthouse. 2. East Brother Light Station. Point Richmond, California. Also built in 1873, East Brother Light ...
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Depth perception. Perspective, relative size, occultation and texture gradients all contribute to the three-dimensional appearance of this photo. Depth perception is the ability to perceive distance to objects in the world using the visual system and visual perception. It is a major factor in perceiving the world in three dimensions.