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CN II Vision & Visual Fields Cheat Sheet for Eye Exam | 2026 Latest Update | Verified Solutions

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Course CN II Vision
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CN II Vision & Visual Fields Cheat Sheet for Eye Exam | 2026 Latest Update | Verified Solutions

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CN II (Vision + Visual Fields) Cheat Sheet
by Siffi (Siffi) via cheatography.com/122609/cs/22854/


Visual anatomy

Visual system is located in the suprat ent orial compar tment
Cells in back of eye that process vision are rods (night vision + Movement) + Cones (day + colour vision)

In the Macular, rods are more prominent
Path way:

Rods/Cones
Bipolar Cells

Ganglion cells
Optic Disc

Optic Nerve
Optic Chiasm - nasal fibres cross over here

Optic Tract
Nasal fibres - Lateral Geniculate Body (LGB)

Superior Colliculus


Cons ide rat ions

Impa irm ent One/both eyes, total/ partial visual loss, whole/ partial field loss, precip itating factors? Transi ent /co nstant
Dipl opia Unequal eye placement - Brain receives two displaced images

Gaze Disord ers
Hall uci nat ions Field involved, Formed /Un formed

Central loss Macula - <5° of visual field
Field loss (perip her al) >5° of field


Monocular Visual Loss

Single Eye lesion before optic chiasm


Optic Neuritis

S&S

Usually a sign of MS, but can occur in isolation
Presents at a young age

7-10 days of eye pain when moving the eye
Loss of vision


By Siffi (Siffi) Not published yet. Sponsored by Readable.com
cheatography.com/siffi/ Last updated 7th May, 2021. Measure your website readability!
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