Chapter 11

Apuntes

Chapter 11 The Visual System Pathways 1. 2. - - - - History: Visual Disturbances 2 steps - - Possible Causes of Blurry Vision: Physiologic problems Cataract What? Why? Who? Night Blindness Vitamin? Description: Optic Nerve Inspection - - - PERRLA stands for: Optic Nerve Funduscopic examination Order of exam: Reflexes 1. 2. 3. Glaucoma Increased pressure in the eye Lack of drainage of aqueous humor Sign: Symptoms: if.IEii tigii losecoiiisiiniiiii.inwas Eternentseye Auditoryreflexes Coordinationofgaze Tetres Factsor darke areas scotoma possiblediplopiapossibleeyefatigueormanyothers Denaturingoftheproteinsintheeyes FromlongtermUVlightexposure Elderyorweldersthat useimpropereyeprotection Nyctalopia Vitamin A Delayrecoryinflashinghighbeams Exopthalmos bulgingeyes Grave'sDisease orThyroidEyeDisease eyealignment pupilsEqualRoundReactivetoLightaccommodate start withthediscfollowvesselsto 4quadrantsinspectthebackgroundandfinallyexaminethe Macula Directlightreflex Indirectlightreflex accommodationresponse Enlargementthepine Sgntfaiteiete.ittheopticdisc The normal disc is roughly 1/2 or less the size of the optic disc Examination of Visual Disturbances Visual Acuity which tests? 1. 2. 3. Acui...