7 results
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Approach to an Eye ... (CN 3, 4, 6) ... Cornea D. ... Optic Nerve / Disc ... #Ophthalmology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... junction, cranial nerve ... eyelid: • Third nerve ... palsy • Horner ... Differential #Diagnosis #ophthalmology
Peripheral Left Cranial Nerve 7 (Bell's) Palsy: Picture on left demonstrates inability to raise left 
eyebrow
Peripheral Left Cranial Nerve ... to raise left corner ... drooping at left corner ... idiopathic peripheral CN ... #Bells #Palsy #CN7
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
CN VI palsy ... • Look for ptosis ... with CN Ill palsy ... Functional • Corneal ... Algorithm #Causes #Ophthalmology
Strabismus - Ocular Misalignment - Differential Diagnosis Algorithm
Phoria:
 • Latent deviation
 • Symmetrical corneal light reflex,
exotropia): • CN ... hypotopia, mixed): • CN ... and abducted, ptosis ... unreactive pupil) • CN ... Algorithm #Causes #Ophthalmology
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
unmasks subtle right CN ... a subtle right CN ... #CNVI #Palsy #CN6 ... #Abducens #Nerve ... #ocular #physicalexam
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
hypothalamus, and visual cortex ... glaucoma - Ocular ... Trochlear headache • CNS ... the trigeminal nerve ... differential #diagnosis #ophthalmology