12 results
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
Inflammation of the iris ... /year per 100,000 ... tuberculosis, syphilis ... #Differential #Diagnosis ... #Ophthalmology
Natural History of Syphilis
Primary - 2-6 weeks after infection
 • Chancre, Regional lymphadenopathy
Early Latent ≤ 1
infection • Chancre, Regional ... lymphadenopathy Early Latent ... Nephritis Late Latent ... (10%); Ocular syphilis ... #progression #diagnosis
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Stages of Syphilis ... Painless chancre • Regional ... • Gummatous • Nodular ... Late Latent: • ... symptoms #signs #diagnosis
Syphilis - Clinical Manifestations and Treatment

1) Primary Syphilis
 • Direct lesion contact during sex is responsible
responsible for most cases ... Symmetric macular ... Headache, meningitis, ocular ... year after infection ... #stages #diagnosis
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... Iris 7. ... Trauma Cornea/Iris ... #ophthalmology ... #causes
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
- Differential Diagnosis ... eye • Anterior-iris ... vitreous humor, and retina ... (common), VZV, syphilis ... #Causes #ophthalmology
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
soles in 50% of cases ... - Ocular syphilis ... Syphilis - Latent ... within the last year ... #Tertiary #Diagnosis
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Nerve Tumor • Retinal ... Pupils (Miotic) • Syphilis ... (light-near dissociation ... #Algorithm #Causes ... #Ophthalmology
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
- Differential Diagnosis ... Episcleritis Ocular ... UVEA: comprised Iris ... Conjunctivitis #ocular ... #ophthalmology
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
: Abrasion • Iris ... hemorrhage • Retina ... : Tear, hemorrhage ... #Algorithm #Causes ... #Ophthalmology