11 results
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Chronic: - Cornea ... degeneration - Retina ... : Keratitis, Corneal ... , Retinal Detachment ... , Central 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
Cornea 5. ... Ocular Adverse Effects ... Trauma Cornea ... Keratitis • Corneal ... edema • Lens dislocation
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 ... occlusion, Lens dislocation
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Optic neuritis • Retinal ... occlusion • Central retinal ... Blepharitis Cornea ... • Corneal ulcer
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Traumatic Red Eye ... Surface Injury: • Corneal ... hemorrhage • Cornea ... Lens: Cataract, dislocation ... hemorrhage • Retina
Approach to an Eye Exam

1. History
2. Obvious Physical Trauma
3. Initial Assessment
  A. Visual Acuity
Approach to an Eye ... Ocular Movements ... Cornea D. ... Retina B. ... Blood Vessels #Ocular
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
Refracting power of the cornea ... rule astigmatism: cornea ... rule astigmatism: cornea ... passing through the cornea ... of focus on the retina
Intraocular Infection with a Trematode - Slit-lamp examination of the right eye revealed corneal edema, blood
examination of the right eye ... revealed corneal ... with zones of retinal ... chamber of the eye ... FlukeInfection #SlitLamp
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
pathways occur at the retina ... hypothalamus, and visual cortex ... activation of retina-driven ... Disorder of the eyes ... glaucoma - Ocular
Normal eye - Anterior chamber (a): Located between hyperechoic cornea anteriorly and iris posteriorly Lens (L):
Normal eye - Anterior ... between hyperechoic cornea ... globe and the retina ... #Ophth #POCUS #Ocular