Visual system Flashcards
Accomidation
Process by which the eye changes optical power to maintain a clear image/focus on an object as distance changes. E-w Nuc
Pupillary light Reflex
Constriction of pupils in response to light. Direct and consensual. E-W nuc
Convergence
Simultaneous inward movement of both eyes in effort to maintain single binocular vision when viewing and object. Rostral colliculus
Orienting eyes
Head and eye orientation to visual and aud stim. Rostral colliculus
Blink reflex
Involuntary blinking by stimulation of cornea. Brachium of Rostral Coll> Pretectum> Tectum> VII nuc…
Vestibulu-ocular Reflex
Vest system detects angular movements and initiates compensatory eye movements.
Horizontal gaze
Paramedian pontine reticular formation (PPRF)
Vertical gaze
Rostral interstitial nucleus of MLF, Interstitial nuc of Cajal, Nuc of Darkschewitsch, Nuc of caudal commissure
Pursuit
Use of vis input to track a moving target
