16 results
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Contact lens use • Eye ... Bilateral, asymmetric corneal ... Signs / Symptoms ... • Rizutti's Sign ... • Corneal Opacities
Curtain Sign - Enhanced Ptosis in Myasthenia Gravis
Because of bilateral eyelid innervation, when the more affected
Curtain Sign - Enhanced ... Ptosis in Myasthenia ... more affected eye ... less affected eye ... #Curtain #Sign #
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
Myasthenia Gravis ... Signs, Symptoms ... this patient have myasthenia ... Test - Quiver eye ... #Diagnosis #Myasthenia
Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when the more affected
Curtain Sign in ... Myasthenia Gravis ... more affected eye ... less affected eye ... #Curtain #Sign #
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
Ptosis - Curtain Sign ... in Myasthenia Gravis ... more affected eye ... less affected eye ... #Curtain #Sign #
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
Ptosis - Curtain Sign ... in Myasthenia Gravis ... more affected eye ... less affected eye ... #Curtain #Sign #
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Examine both eyes ... • Myasthenia ... Functional • Corneal ... Neuromuscular Junction • Myasthenia ... Cranial Nerve IV - Eye
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
production -> Corneal ... • Loss of the eye ... non-functional eye ... blindness) • Corneal ... ophthalmology #diagnosis #signs
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... Myasthenia gravis ... such as cogan sign ... Bennett & Bloom Eye ... eyelid #Ocular #Myasthenia
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
all coats of the eye ... interior of the eye ... movements -> Pain with eye ... Exposes cornea -> Corneal ... ophthalmology #diagnosis #signs