22 results
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Examine both eyes ... • Neurologic symptoms ... a mass as the cause ... Cranial Nerve IV - Eye ... #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs / Symptoms ... detachment • Red Eye ... Retinoblastoma #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
• Loss of the eye ... non-functional eye ... #Xeropthalmia #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red eye ... • Significant cause ... most frequent cause ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
all coats of the eye ... interior of the eye ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
can be caused by ... Common Causes: ... lashes Dangerous Causes ... Unilateral or bilateral symptoms ... differential #diagnosis #ophthalmology
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Blood: Anemia Eyes ... glands -> Dry Eyes ... inflammation tends to cause ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
Anterior Non-necrotizing Scleritis - Slit Lamp Ocular Examination

This 57 yo WM reported to clinic complaining of
redness in the left eye ... and had no other symptoms ... was a patch of a darker ... Bennett & Bloom Eye ... clinical #video #ophthalmology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Note: Eye exam ... If the eye cannot ... Periorbital #Cellulitis #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... BRB breakdown causes ... #Retinopathy #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms