18 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... conjunctiva and cornea ... blindness) • Corneal ... dryness of the cornea
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Diagnosis Chronic ... : - Cornea: ... : Keratitis, Corneal ... #causes #ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Diagnosis Framework ... Conjunctivitis, corneal ... Blepharitis Cornea ... • Is the eye painful ... • Corneal ulcer
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... Hyperacusis - Loss ... of Corneal Reflex ... Signs #Symptoms #Diagnosis
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. ... Trauma Cornea ... Keratitis • Corneal ... Nucleus Visual Cortex ... vision → visual loss
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Unilateral Acute Vision Loss ... - Differential Diagnosis ... - Cornea • Keratopathy ... #Differential #Diagnosis ... #Algorithm #Causes
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Orbital Cellulitis Ocular ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... #Algorithm #Causes
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 ... caustic exposure to eye ... #causes #ophthalmology
Peripheral Left Cranial Nerve 7 (Bell's) Palsy: Picture on left demonstrates inability to raise left 
eyebrow
closing left eye ... to raise left corner ... drooping at left corner ... of mouth, loss ... completely close left eye
Bitot's Spots- A 4-year-old boy was brought by his father to the ophthalmology clinic with a
near the outer corners ... The ocular findings ... as a result of corneal ... photoreceptor cells ... NEJM #clinical #photo