The Neuronal Model (Sokolov, 1963) considered pupil dilation a mechanism to increase visual acuity when a novel stimulus appears which does not fit a previous neuronal model. On the other hand, according to Kahneman (1973), enlargement of the pupil is caused by the significance of the stimulus...
If the pupil does not dilate sufficiently with the steps described so far, you can proceed to pupil stretching, using iris hooks, or inserting a pupil-expansion ring. Any of these processes can create a maximum pupillary opening of about the same circumference or perimeter, which means that t...
If the pupillary centre is chosen, finding it may not be so easy, since the pupil does not dilate concentrically and its centre moves as its diameter varies?,8 This shift is supero nasal in miosis and no relationship is to be found between it and degree of mydriasis?,9 Optic zone...
Also calledAdie's tonic pupilortonic pupil, this is a rare neurological disorder where one pupil is larger than normal and is slow to react to light. Sometimes, the pupil does not constrict at all. This pupil abnormality may be accompanied by poor or absent tendon reflexes. When this occurs...
There is, however, a problem with the luminance adjustment that was employed in Experiment 1. While this manipulation was used to equate luminance across scenes, it does not control other low-level image aspects, such as color, which might also affect pupillary responses (Kohn & Clynes,1996;...
This point is not necessarily at the geometric center of the cornea and is found by locating the center of the pupil while the patient is maintaining fixation coaxially with the surgeon. However, the pupil does not dilate concentrically and its geometric center moves as the pupil diameter ...
The pupil of the eye dilates and contracts in response to light. 作为对光线作出的反应,眼睛的瞳孔会放大或缩小。 二、最终,做个填词嬉戏吧 How many ___ does the school have? 这所学校有多少同学? pupil双语例句 1.She takes no sass from her pupils.她不容她的同学顶嘴。 2.None of the pupils...
What doespupilmean? Apupilis a person who is learning under a teacher or instructor. In this sense,pupilis often used when the student is young but does not strictly apply to young people. In legal terms,pupilcan refer to a minor who is under the care of a legal guardian who is not...
2.被监护人 [C] 3.瞳孔,眸子,瞳仁 [C] The pupil of the eye dilates and contracts in response to light. 作为对光线作出的反应,眼睛的瞳孔会放大或缩小。 二、最终,做个填词嬉戏吧 How many ___ does the school have? 这所学校有多少同学? pupil双语例句 1.She takes no sass from her pupils...
During phacoemulsification surgery and vitreo-retinal surgery, when the pupil does not dilate with medicated drops, a device is required for mechanical enlargement of the pupil. Such a device has to maintain the pupil in the enlarged state and prevent it from collapsing for the entire duration of...