13 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
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
from nasal or ocular ... of the limbal cornea ... the peripheral cornea ... fibrosis => • Corneal ... Trachoma #Chlamydia #pathophysiology
Eye Anatomy and Key Diagnoses Rule of 2s - Anterior Eye - Utilize slit lamp exam
Eye Anatomy and ... Diagnosis #EM #Ophth ... RuleOfTwos #Table #Conjunctiva ... #Cornea #AnteriorChamber ... #Lens #ALiEM
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
of the bulbar conjunctiva ... Impaired extra-ocular ... Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology
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 ... 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 #
Onchocerciasis “River Blindness”: Pathogenesis and Ocular Manifestations
Vectorial Transmission
-> Onchocerca volvulus, a parasitic helminth, matures in to
Pathogenesis and Ocular ... Microfilariae enter the eye ... directly from the conjunctiva ... stromal keratitis -> Corneal ... RiverBlindness #pathophysiology
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
Aqueous Humor Production and Drainage
 • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
avascular lens and cornea ... structural integrity of ocular ... episcleral and conjunctival ... the scleral, and conjunctival ... Drainage #flow #Pathophysiology