14 results
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
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
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
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... Redness in the eye ... Hemorrhage Lids ... Unilateral or bilateral symptoms ... differential #diagnosis #ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red eye ... lights are a key symptom ... Occurs in small eyes ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
: Inflammatory eye ... meningitis), MCC CNS symptoms ... Genital ulcers • Eye ... inhibitors • Uveitis- Ophthalmology ... inhibitor + oral DMARD
Retinopathy of Prematurity: Pathogenesis and clinical findings
Increased metabolic demand of growing eye
-> Excessive VEGF production ->
Increased metabolic demand ... of growing eye ... peds #pediatrics #pathophysiology ... #ophthalmology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Contact lens use • Eye ... Keratoconus Signs / Symptoms ... #Keratoconus #pathophysiology ... #ophthalmology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Autonomic symptoms ... Disorder of the eyes ... differential #diagnosis #ophthalmology ... #Neurology