34 results
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... Hyperacusis - Loss of Corneal ... - Ptosis #Bells ... #Palsy #Neurology ... #Signs #Symptoms
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... #Xeropthalmia #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
Central Retinal ... Occlusion #CRVO #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... • Ganglion cells ... Occlusion #CRAO #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
mutated in all cells ... Retinoblastoma Signs / Symptoms ... Retinoblastoma #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Accommodation, RAPD ... Cornea D. ... Retina B. ... EyeExamination #Approach #Ophthalmology
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
& inflammatory cells ... exertion • Neurologic ... : Bell's palsy, ... dysrhythmias • Ophthalmologic ... Sarcoidosis #Diagnosis #Symptoms
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
of the eye (ex. cornea ... point behind the retina ... focused onto the retina ... #Hyperopia #pathophysiology ... #ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
nervefiber layer -> Retinal ... of the terminal retinal ... #Retinopathy #pathophysiology ... #ophthalmology ... diagnosis #signs #symptoms