26 results
diagnosis signs symptoms glaucoma clinical occlusion ocular physicalexam secondary abrasions acute agerelated algorithm amblyopia anatomy approach aqueous aqueoushumor astigmatism bleeding
Xeropthalmia: Pathogenesis and Ocular Manifestations Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... dryness of the cornea ... #Xeropthalmia #pathophysiology ... #ophthalmology
Trachoma: Pathogenesis and clinical findings • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
of the limbal cornea ... the peripheral cornea ... fibrosis => • Corneal ... Trachoma #Chlamydia #pathophysiology ... #ophthalmology
Central Retinal Vein Occlusion (CRVO) - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central
Approach to an Eye Exam 1. History 2. Obvious Physical Trauma 3. Initial Assessment A. Visual Acuity
Cornea D. ... Fundoscopy A. ... EyeExamination #Approach #Ophthalmology
Swirling flow of aqueous humor Aqueous humor flows from the posterior chamber of the eye to the
Swirling flow of ... Aqueous humor flows ... chamber, behind the cornea ... aqueous #humor #ophthalmology ... #pathophysiology
Age Related Macular Degeneration: Pathogenesis and clinical findings Photoreceptor atrophy -> Extracellular debris (drusen) from RPE atrophy/metabolism
reduces blood flow ... neovascularization seen on fundoscopy ... edema seen on fundoscopy ... MacularDegeneration #pathophysiology ... #ophthalmology
Keratoconus: Pathogenesis and Clinical Findings Genetics • Family history of keratoconus • Ehlers-Danlos syndrome • Down, Turner,
syndrome • Down, Turner ... Bilateral, asymmetric corneal ... Rizutti's Sign • Corneal ... #Keratoconus #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
Pathological Optic Disc Cupping Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5). Thinning of optic disc
Glaucoma causes slow ... OpticDisc #Cupping #fundoscopy ... #ophthalmology
Aqueous Humor Production and Drainage • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
avascular lens and cornea ... Pathway (~60-80 % of flow ... ciliary body -> Flows ... #Pathophysiology ... #ophthalmology
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