312 results
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Pathological Optic ... Thinning of optic ... neuroretinal rim so that optic ... Glaucoma causes ... slow death of optic
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Neuromyelitis Optica ... Manifestations • Optic ... involvement: Intractable nausea ... Neuromyelitis #Optica
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupil Defect • Optic ... Neuritis • Ischemic Optic ... Neuropathies • Optic ... Traumatic/Compressive Optic ... Diagnosis #Algorithm #Causes
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
anterior ischemic optic ... Generally reversible Optic ... Patients with chronic optic ... increased ICP Optic ... with compressive optic
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Abnormalities of the Optic ... Abnormalities of the Optic ... Diagnosis #Algorithm #Causes
POCUS Reference Measurements
 • Gallbladder
 • Urinary Bladder
 • GI Tract
 • Pregnancy
 • Optic Nerve
POCUS Reference ... Pregnancy • Optic ... sspillai01 #POCUS
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Localization Map - Optic ... vision loss) - Optic ... Meningioma • Optic ... hemianopia) - Optic ... Diagnosis #Anatomy #Causes
Visual Pathway Neural Lesions
A) Optic Nerve → Left Anopia
B) Optic Chiasm → Bitemporal Hemianopia
C) Lateral Geniculate
Neural Lesions A) Optic ... Left Anopia B) Optic ... Hemianopia D) Optic ... Pathway #Lesions #Optic
Acute Monocular Vision Loss - Differential Diagnosis Framework
 • Cornea: Keratitis
 • Anterior Chamber: Hyphema, Acute
Endophthalmitis • Optic ... Nerve: Optic neuritis ... Papilledema, Ischemic Optic ... CRVO, CRAO) • Optic ... bleed) After the optic
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Optic Nerve/Pathway ... • Scleritis Optic ... Inflammation • Optic ... • Tumor • Optic ... occlusions Optic