16 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
-> Goblet cell loss ... of the eye • ... #Xeropthalmia #pathophysiology ... #ophthalmology ... #diagnosis #signs
Seesaw nystagmus 
-> eye move in an opposed vertical fashion (one goes up while the other
commonly parasellar masses ... trauma, lack or loss ... Video by Kathleen ... #ophthalmology ... #clinical #video
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... : • Corneal abrasion ... caustic exposure to eye ... Lens dislocation, Ischemic ... #causes #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Diagnosis Chronic ... : - Cornea: ... Vein Occlusion, Ischemic ... #causes #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... • Examine both eyes ... a mass as the cause ... Functional • Corneal ... #Ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Diagnosis Framework ... can be caused by ... Common Causes: ... #differential #diagnosis ... #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
- Differential Diagnosis ... Concussion Other Causes ... vision → visual loss ... #ophthalmology ... #causes
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
clinic with vision loss ... A nystagmus in far ... the follow up video ... the hospital, diagnosed ... #ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Monocular Vision loss ... - Differential Diagnosis ... Ischemia - ... changes in gaze/eye ... #Ophthalmology
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red eye ... obstruction • Corneal ... sparring) • Loss ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology