11 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
hemorrhage • Dry eyes Cornea ... : • Corneal abrasion ... Keratitis (i.e. corneal ... Differential #Diagnosis #table ... #causes #ophthalmology
Non-Traumatic Monocular Vision Loss - Open and Closed Angle Glaucoma Anatomy and Presentation
#Diagnosis #Pathophysiology #Ophthalmology #Open
Presentation #Diagnosis #Pathophysiology ... #Ophthalmology ... Angle #Glaucoma #Comparison ... #Table
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... upper lid • Cause ... Diagnosis #Management #Ophthalmology ... Stye #Chalazion #Comparison ... #Table
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... red-brown coloured -> Copper ... BRB breakdown causes ... #Retinopathy #pathophysiology ... #ophthalmology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
blood donor • Pathophysiology ... without other cause ... transfusion • Pathophysiology ... hematology #diagnosis #comparison ... #table
Alexia Without Agraphia
Alexia without agraphia is a disconnection syndrome where patients cannot read but can write.
the most common cause ... unable to read but able ... Pathophysiology: ... non-dominant visual cortex ... neurology #diagnosis #pathophysiology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
• Significant cause ... most frequent cause ... obstruction • Corneal ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
Aqueous Humor Production and Drainage
 • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
avascular lens and cornea ... of flow) -> AH passes ... suprachoroidal space -> Passes ... Drainage #flow #Pathophysiology ... #ophthalmology
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
rule astigmatism: cornea ... rule astigmatism: cornea ... different points of focus ... #astigmatism #pathophysiology ... #ophthalmology
Vitreous Hemorrhage on Ocular POCUS

What is the leading cause of this pathology in patients under 40
Hemorrhage on Ocular POCUS ... is the leading cause ... The most common cause ... Labeled Comparison ... clinical #ultrasound #Ophthalmology