18 results
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... conjunctiva and cornea ... blindness) • Corneal ... dryness of the cornea ... #symptoms
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Bilateral, asymmetric corneal ... degeneration, and cone-shaped ... / Symptoms / Complications ... • Corneal Opacities ... #Keratoconus #pathophysiology
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Differential Diagnosis Algorithm ... Conjunctivitis • Corneal ... • Keratitis/Corneal ... Intraocular: • Acute ... #Causes #Ophthalmology
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 ... Palsy #Neurology #Signs ... #Symptoms #Diagnosis
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Unilateral Acute ... Differential Diagnosis Algorithm ... Painful - Cornea ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Proptosis -> Exposes cornea ... -> Corneal drying ... Orbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis #signs ... #symptoms
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
Common Causes: ... Conjunctivitis, corneal ... Blepharitis Cornea ... Unilateral or bilateral symptoms ... • Corneal ulcer
Acute Closed Angle Glaucoma: Pathogenesis and Clinical Findings
OPHTHALMIC EMERGENCY: Early detection is essential, but most patients
Acute Closed Angle ... • Significant cause ... damage & blindness Signs ... obstruction • Corneal ... ClosedAngle #Glaucoma #pathophysiology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner ... • Meningeal signs ... ) • Systemic symptoms ... and signs (e.g. ... arteritis • Acute
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... • Neurologic symptoms ... Functional • Corneal ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology