12 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
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 ... diagnosis #signs #symptoms
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Conjunctivitis, corneal ... Blepharitis Cornea ... Unilateral or bilateral symptoms ... • Is the eye painful ... • Corneal ulcer
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
Bitot's Spots- A 4-year-old boy was brought by his father to the ophthalmology clinic with a
examination, the conjunctivae ... near the outer corners ... The ocular findings ... as a result of corneal ... NEJM #clinical #photo
Fusarium Eye Infections - Keratitis and Endophthalmitis
Fungal Keratitis is an infection of the cornea that is
infection of the cornea ... most commonly caused ... will result in corneal ... hours-days of symptom ... Endophthalmitis #ocular
FIGURE 2. UVEITIS.  COURTESY OF WIKIMEDIA COMMONS AND JONATHAN TROBE, MD.

The classic symptoms of anterior
The classic symptoms ... uveitis include: - Painful ... eye, conjunctival ... blurred vision - Conjunctival ... the edge of the cornea
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Examine both eyes ... • Neurologic ... symptoms suggest ... Functional • Corneal ... Diagnosis #Algorithm #Causes
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red eye ... • Significant cause ... most frequent cause ... -> crowding of ocular ... obstruction • Corneal
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
the bilateral cortex ... light reflex • Corneal ... • Vestibulo-ocular ... ) - Possible painful ... #PhysicalExam #neurology