11 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... , Retinal Detachment ... , Central Retinal ... Occlusion, Central Retinal ... Optic Neuropathy, Retinal
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Retina 11. ... Ocular Adverse Effects ... edema • Lens dislocation ... nerve swelling Retina ... vision → visual loss
Ocular Ultrasound Pocketcard
Painless Vision Loss
 • Retinal Detachment 
 • Posterior Vitreous Detachment 
 • Vitreous
Ocular Ultrasound ... • Retinal Detachment ... Hemorrhage • Central Retinal ... • Retinal Detachment ... Rupture • Lens Dislocation
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 ... occlusion, Lens dislocation
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Episcleritis Ocular ... Optic neuritis • Retinal ... detachment • Central retinal ... occlusion • Central retinal ... Conjunctivitis #ocular
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
from choroid to retina ... Nutrients cannot reach retina ... products from retina ... circulation into the retina ... blood under the retina
Hyperopia: Pathogenesis and clinical findings
 • Axial length of eye -> Short axial length of the
of the eye (ex. cornea ... point behind the retina ... focused onto the retina ... focused behind the retina ... #Hyperopia #pathophysiology
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
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
rule astigmatism: cornea ... rule astigmatism: cornea ... of focus on the retina ... • Headache • Ocular ... #astigmatism #pathophysiology
Myopia: Pathogenesis and clinical findings

 • Axial length of eye -> Long axial length of the
of the eye (ex. cornea ... of one or more ocular ... in front of the retina ... in front of the retina ... vision #Myopia #pathophysiology