Uveitis Flashcards
What are the 2 different onsets of uveitis?
acute
chronic
What are the diffferences between acute and chronic?
1) ACUTE= sudden onset
CHRONIC= insidious onset
2) ACUTE= Symptomatic
CHRONIC=mild-no xymptoms
3) ACUTE =limite duration less 3months
CHRONIC= more than 3 months -persistent
4) ACUTE= may be recurrent/repated episodes
CHRONIC= persistent inflammation
acute exacerbation
What is anterior uveitis?
inflammation of iris and or ciliary body
What are the 3 types of anterior uveitis?
1) iritis
2) Iridiocyclitis_ (iris+cb)
3) cyclists- ciliary body
What affects intermediate uveitis?
pars plana, extreme periphery of retina and vitreous
What affects posterior uveitis?
inflammation of structure behind the posterior border of vitreous base
-choroid
-retina
What are the types of posterior uveitis?
-choroididtis
chrioretinitis
-retinochoroiditis
-retinitis
What are the 2 types of causes of uveitis?
1) endogenous
2) exogenous
What is the exogenous cause?
infection -virus fungi, bac etc
e.g. herpes simplex, toxoplasmosis,TB
What is the exogenous cause?
trauma: external injury to uvea
invasion of micro organisms
What are the symptoms of intermediate uveitis?
1)floaters
2) reduced/blurred vision
3) bilateral , asymetric
4)15-40yrs
5) no pain or light sensitivity
What are the signs of intermediate uveitis?
1) inflammation cells in vit
2) neovas
3) optic disc swelling
4)CMO
5) reduced VA
snowball /snow bank formation
snow ball formation
snow banking
Name conditions that can cause appearance of cells in vitreous?
ocular ischemia
RP
asteroid hyalosis
rhegmatogenous detachment
retinoblastoma
