18 results
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs / Symptoms ... / Complications ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Hard Exudates • Nerve ... more superficial nerve ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
inner retinal nerve ... arterioles causes optic nerve ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms #complications
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
disorder of the optic nerve ... • Cephalic symptoms ... Constitutional symptoms ... #Rheumatology #Ophthalmology ... #Diagnosis #Algorithm
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... • Neurologic symptoms ... Migraine is a diagnosis ... Trauma Cranial Nerve ... Algorithm #Causes #Ophthalmology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
spine Signs / Symptoms ... / Complications ... damage to sacral nerves ... pathophysiology #diagnosis ... #symptoms #signs
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
lights are a key symptom ... leads to optic nerve ... blindness Signs / Symptoms ... / Complications ... pathophysiology #ophthalmology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
spinal cord and nerve ... previous neurologic symptoms ... • Usually is a complication ... possible neurological symptoms ... #Tuberculosis #diagnosis
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
- Impinges on nerves ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Stimulation of nerve ... Boutonniere's ulnar ... pathophysiology #signs #symptoms ... #diagnosis