13 results
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Red Eye - Differential ... Cornea: • Corneal ... abrasion • Foreign ... Keratitis (i.e. corneal ... #ophthalmology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Atraumatic Red Eye ... Conjunctivitis • Corneal ... Abrasion / Erosion ... • Keratitis/Corneal ... #Ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Red Eye - Differential ... Conjunctivitis, corneal ... Blepharitis Cornea ... • Corneal ulcer ... #Red #eye #Conjunctivitis
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 ... abrasion • Astigmatism ... Red Flags: •
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
Traumatic Red Eye ... Surface Injury: • Corneal ... hemorrhage • Cornea ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Loss: • Corneal ... abrasion, Acute ... caustic exposure to eye ... differential #diagnosis #causes ... #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diplopia - Double Vision ... VI palsy is a red ... a mass as the cause ... Functional • Corneal ... #Ophthalmology
Astigmatism: Pathogenesis and clinical findings
Astigmatism - deviation from spherical curvature of the lens or eye

Refracting power
of the lens or eye ... Refracting power of the cornea ... rule astigmatism: cornea ... rule astigmatism: cornea ... passing through the cornea
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
present with a red ... obstruction • Corneal ... sparring) • Loss of vision ... ClosedAngle #Glaucoma #pathophysiology ... #ophthalmology
Bitot's Spots- A 4-year-old boy was brought by his father to the ophthalmology clinic with a
father to the ophthalmology ... decreased night vision ... near the outer corners ... as a result of corneal ... dysfunction of rod