16 results
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Cornea 5. ... Ocular Adverse Effects ... - Retinal vein occlusions ... vision → visual loss ... (Retinal vein occlusions
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Chronic: - Cornea ... Cataracts - Macula: Macular ... Painful: Keratitis, Corneal ... Vein Occlusion,
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Vein Occlusion ( ... CRVO) - Pathophysiology ... vein (CRV), in ... cause of vision loss ... #Vein #Occlusion
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... -> Goblet cell loss ... production -> Corneal ... Perforation • Loss ... #Xeropthalmia #pathophysiology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Painful Vision Loss ... : • Corneal abrasion ... : • Retinal detachment ... or hemorrhage, Retinal ... artery or vein
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Episcleritis Ocular ... vein occlusion ... • Corneal ulcer ... Conjunctivitis #ocular
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Age Related Macular ... Amsler grid) - Macular ... atrophy of RPE -> Loss ... of photo receptors ... MacularDegeneration #pathophysiology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Monocular Vision loss ... , vasculitis) Retinal ... vein occlusion ... episodes of vision loss ... Ocular causes -
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Chronic Vision Loss ... Diagnosis Algorithm Cornea ... • Age Related Macular ... Degeneration (Wet, Dry) Retina ... night vision, loss
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
of the eye (ex. cornea ... point behind the retina ... Light rays require less ... focused onto the retina ... #Hyperopia #pathophysiology