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The Marcus Gunn pupil is a relative afferent pupillary defect indicating a decreased pupillary response to light in the affected eye. [3] In the swinging flashlight test, a light is alternately shone into the left and right eyes. A normal response would be equal constriction of both pupils, regardless of which eye the light is directed at.
For an adequate test, vision must not be entirely lost. In dim room light, the examiner notes the size of the pupils. The patient is asked to gaze into the distance, and the examiner swings the beam of a penlight back and forth from one pupil to the other, and observes the size of pupils and reaction in the eye that is lit.
However, if the eyes are asymmetrically affected, i.e. one eye's optic nerve is more damaged than the other, it will produce an important sign called an afferent pupillary defect. [citation needed] Defective light perception in one eye causes an asymmetrical pupillary constriction reflex called the afferent pupillary defect (APD). [citation needed]
New Online Vision Certification Service Streamlines the Driver's License Renewal Process in Maryland Electronic submissions of eye exam results help citizens skip the trip to the MVA ANNAPOLIS, Md ...
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An eye examination, commonly known as an eye test, [1] is a series of tests performed to assess vision and ability to focus on and discern objects. [2] It also includes other tests and examinations of the eyes. [2] Eye examinations are primarily performed by an optometrist, ophthalmologist, or an orthoptist.
ASHEVILLE - A month after being charged with misdemeanor driving while impaired, the wife of Asheville Police Department Chief David Zack made her first appearance in Buncombe County court Dec. 5.
A Class 7 licence is issued to those who are 14 years of age or older and complete a knowledge test and eye exam. They are then put into a graduated driver licensing program with restrictions. These restrictions include: [5] No driving between the hours of midnight and 5 a.m. A fully licensed driver must be in the passenger seat at all times.