The Calgary Guide to Understanding Disease @TheCalgaryGuide
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diagnosis symptoms cellulitis complications glaucoma acute agerelated aqueoushumor centralretinalartery chronic closedangle crao drainage hypertensive maculardegeneration manifestations occlusion openangle orbital periorbital
Xeropthalmia: Pathogenesis and Ocular Manifestations Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... focal melting) -> Retinopathy ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings Ophthalmic Artery Hypertension Stage 1: Mild/vasoconstrictive • Acute and chronic vasospasm
Chronic Hypertensive Retinopathy ... #Hypertensive #Retinopathy ... #pathophysiology ... #ophthalmology ... #diagnosis #signs
Orbital Cellulitis: Pathogenesis and Clinical Findings Definitions: a. Chemosis: Edema of the bulbar conjunctiva b. Panopthalmitis: inflammation of all
- Impinges on ocular ... Impaired extra-ocular ... Orbital #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs
Central Retinal Artery Occlusion: Pathogenesis and clinical findings • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Abnormal blood flow ... retinal artery blood flow ... Occlusion #CRAO #pathophysiology ... #ophthalmology ... #diagnosis #signs
Aqueous Humor Production and Drainage • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
structural integrity of ocular ... Pathway (~60-80 % of flow ... ciliary body -> Flows ... #Pathophysiology ... #ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
-> crowding of ocular ... resistance to the flow ... damage & blindness Signs ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
Ankylosing Spondylitis: Extra-articular Manifestations • Ocular - Inflammation of the iris, the anterior part of the
Manifestations • Ocular ... lung fibrosis #AnkylosingSpondylitis ... #Extraarticular ... Complications #pathophysiology ... #diagnosis #signs
Periorbital Cellulitis: Pathogenesis and Clinical Findings Definitions: a. Dacryoadenitis: infection of the lacrimal glands b. Conjunctivitis: inflammation of the
normal: - extra-ocular ... Periorbital #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs
Age Related Macular Degeneration: Pathogenesis and clinical findings Photoreceptor atrophy -> Extracellular debris (drusen) from RPE atrophy/metabolism
Age Related Macular ... reduces blood flow ... Amsler grid) - Macular ... MacularDegeneration #pathophysiology ... #ophthalmology
Primary Open-Angle Glaucoma: Pathogenesis and Clinical Findings • Risk factors -> Incr IOP, Incr age, African-American
intra- or peri-ocular ... Decr axoplasmic flow ... OpenAngle #Glaucoma #pathophysiology ... #ophthalmology
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