135 results
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupil Defect • Optic ... Neuritis • Ischemic Optic ... Neuropathies • Optic ... Nerve Tumor • Retinal ... Traumatic/Compressive Optic
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Degeneration (Wet, Dry) Retina ... inflammatory conditions Optic ... (Open-Angle) Optic ... color vision: • Optic ... #Causes #Ophthalmology
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Differential Diagnosis Algorithm ... hemorrhage • Retina ... • Glaucoma • Optic ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
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 ... occlusions Optic ... or optic disk
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... inflammation - Optic ... Endophthalmitis, Glaucoma, Optic ... Occlusion, Ischemic Optic ... Differential #Diagnosis #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
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
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
nervefiber layer -> Retinal ... of the terminal retinal ... • Ischemia of optic ... optic nerve swelling ... Leakage of optic
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Inflammation-iritis, uveitis, Optic ... or hemorrhage, Retinal ... dislocation, Ischemic optic ... • Keratitis, Optic ... differential #diagnosis #causes