10 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
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
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
experience, the cause ... surgery; as in our case ... anterior_seg_rocks #Horners ... clinical #video #ophthalmology ... #physicalexam #
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
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... the bilateral cortex ... light reflex • Corneal ... Casey Albin MD @ ... caseyalbin #PhysicalExam
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
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
Cover - Uncover ... Patient asked to focus ... Just after the cover ... video #neurology #ophthalmology ... #ocular #physicalexam
Chemical Eye Injury: Pathogenesis and clinical findings
Exogenous chemical to the eye and/or adnexa
 • Ammonia, sodium
Acidic injuries cause ... penetration beyond the cornea ... Alkali injuries cause ... #Eye #Ocular #opthalmology ... #pathophysiology