20 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... mucins with reduced tear ... conjunctiva) • Bitot's spots ... #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
Retinal Tear on Fundoscopy Ocular Examination

Patient with a history of retinal tear treated with laser. In
Retinal Tear on ... Fundoscopy Ocular ... treatment with laser, signs ... #Ocular #PhysicalExam ... clinical #video #ophthalmology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Patients As: • Black spots ... the vision • Spots ... retina, a retinal tear ... Differential #Diagnosis #Ocular ... #ophthalmology
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
length of eye -> Short ... distant vision • Near ... retina -> Blurry near ... #Hyperopia #pathophysiology ... #ophthalmology
Shafer's sign on Slit Lamp Ocular Examination

Pigmented cells in the anterior vitreous, which is highly suggestive
Shafer's sign on ... Slit Lamp Ocular ... suggestive of a tear ... Shafers #Schaffers #sign ... clinical #video #ophthalmology
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 ... Amsler grid) - Macular ... - Faded/blind spots ... MacularDegeneration #pathophysiology ... #ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
-> Cotton-wool Spots ... -> Elschnig's Spots ... #Retinopathy #pathophysiology ... #ophthalmology ... #diagnosis #signs
Purtscher Retinopathy on Fundoscopy Ocular Examination

33 year-old who presents 2 weeks after car accident.  Fundus
on Fundoscopy Ocular ... Examination 33 year-old ... multiple cotton-wool spots ... #Ocular #PhysicalExam ... clinical #video #ophthalmology