10 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Pathogenesis and Ocular ... production -> Corneal ... and cornea, typically ... blindness) • Corneal ... dryness of the cornea
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Periorbital cellulitis Conjunctiva ... Cornea: • Corneal ... Keratitis (i.e. corneal ... Differential #Diagnosis #table ... #causes #ophthalmology
Eye Anatomy and Key Diagnoses Rule of 2s - Anterior Eye - Utilize slit lamp exam
Eye Anatomy and ... Diagnosis #EM #Ophth ... RuleOf2s #RuleOfTwos #Table ... #Conjunctiva #Cornea ... AnteriorChamber #Lens #ALiEM
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
Conjunctiva/Sclera ... Cornea 5. ... Trauma Cornea ... Keratitis • Corneal ... Nucleus Visual Cortex
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Episcleritis Ocular ... Blepharitis Cornea ... • Corneal ulcer ... #ocular #differential
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 ... NEJM #clinical #photo ... #ophth #bitot #
Normal eye - Anterior chamber (a): Located between hyperechoic cornea anteriorly and iris posteriorly Lens (L):
Normal eye - Anterior ... between hyperechoic cornea ... #Clinical #EM #Ophth ... #POCUS #Ocular ... #Normal #ALiEM
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
dryness of the conjunctiva ... and cornea), poor ... • Thiamine - Nausea ... amnesia, apathy, normal ... vitamin #nutrition #table
Chemical Eye Injury: Pathogenesis and clinical findings
Exogenous chemical to the eye and/or adnexa
 • Ammonia, sodium
pH returns to normal ... Acidic injuries cause ... penetration beyond the cornea ... Alkali injuries cause ... #Ocular #opthalmology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
the bilateral cortex ... light reflex • Corneal ... • Vestibulo-ocular ... movements; also normal ... Casey Albin MD @