2895 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 ... Usual cause is glaucoma ... Glaucoma causes ... slow death of optic
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
anterior ischemic optic ... Caused by decreased ... increased ICP Optic ... with compressive optic ... Ocular causes -
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
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
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
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... BRB breakdown causes ... • Ischemia of optic ... optic nerve swelling ... Leakage of optic
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
inflammation - Optic ... Endophthalmitis, Glaucoma, Optic ... Occlusion, Ischemic Optic ... Differential #Diagnosis #causes
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 ... • Tumor • Optic ... Concussion Other Causes ... ophthalmology #causes
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic optic ... Is visual loss caused ... disorder of the optic ... nerve caused by ... • Fundoscopy: optic
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Inflammation-iritis, uveitis, Optic ... dislocation, Ischemic optic ... • Keratitis, Optic ... differential #diagnosis #causes