33 results
Amblyopia ("Lazy Eye"): Pathogenesis and clinical findings
Amblyopia => 
Interruption of visual stimulation during childhood visual development
Eye"): Pathogenesis ... of lateral geniculate ... primary visual cortex ... #LazyEye #pathophysiology ... #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... Painful: Keratitis, Corneal ... Stroke/lnfarct - Bilateral ... exposure) - Bilateral ... Diagnosis #causes #ophthalmology
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
Amblyopia - Lazy ... Eye - Differential ... • Congenital Corneal ... Hemangioma • Retinal ... Algorithm #Causes #Ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Vision Loss: • Corneal ... caustic exposure to eye ... Vision Loss: • Retinal ... or hemorrhage, Retinal ... diagnosis #causes #ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Anatomical Approach to Eye ... Optic Chiasm Lateral ... in vision • Eye ... with or without eye ... differential #diagnosis #ophthalmology
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
• Spots in the eyes ... Symptoms: Sudden • Unilateral ... colored lights, bilateral ... hypotension - bilateral ... Diagnosis #Ocular #ophthalmology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... • Loss of the eye ... non-functional eye ... #Xeropthalmia #pathophysiology ... #ophthalmology
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
(ex. cornea, lens ... point behind the retina ... focused onto the retina ... #Hyperopia #pathophysiology ... #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Blepharitis Cornea ... or bilateral symptoms ... • Corneal ulcer ... differential #diagnosis #ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
of the cell -> Bilateral ... spread • Sub-retinal ... detachment • Red Eye ... Retinoblastoma #pathophysiology ... #ophthalmology