8 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
- Differential Diagnosis ... Algorithm Cornea ... - Obscure Red Reflex ... Degeneration (Wet, Dry) Retina ... Algorithm #Causes #Ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... red reflex) • ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
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
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Central Retinal ... supplying the macula ... Occlusion #CRAO #pathophysiology ... #ophthalmology ... #diagnosis #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
narrowing and vascular ... diffuse light reflex ... #Retinopathy #pathophysiology ... #ophthalmology ... #diagnosis #signs
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Mutism Pathophysiology ... • Corneal reflex ... • Vestibulo-ocular ... • Examine for signs
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
normal: - extra-ocular ... - pupillary reflex ... Periorbital #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs