125 results
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Chronic Vision Loss ... inflammatory conditions Optic ... (Open-Angle) Optic ... color vision: • Optic ... #Causes #Ophthalmology
Approach to Possible Hypertensive Emergency

criteria required to diagnose hypertensive emergency
(1) Severe hypertension
 - Usually a MAP
mm is needed to cause ... patients with chronic ... presence of increased optic ... proteinuria, or chronic ... Emergency #Diagnosis #Algorithm
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupil Defect • Optic ... Neuritis • Ischemic Optic ... Neuropathies • Optic ... Traumatic/Compressive Optic ... #Causes #Ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
anterior ischemic optic ... Generally reversible Optic ... optic neuropathy ... increased ICP Optic ... with compressive optic
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Differential Diagnosis Algorithm ... Abnormalities of the Optic ... Abnormalities of the Optic ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
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
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Differential Diagnosis Chronic ... inflammation - Optic ... Endophthalmitis, Glaucoma, Optic ... Occlusion, Ischemic Optic ... Differential #Diagnosis #causes
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Neuromyelitis Optica ... Manifestations • Optic ... involvement: Intractable nausea ... Neuromyelitis #Optica
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Chronic Hypertensive ... • Acute and chronic ... • Ischemia of optic ... optic nerve swelling ... Leakage of optic
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