Episcleritis vs scleritis

Question 1

Episcleritis

Answer 1

idiopathic inflammation 
blanch with phenylephrine drops 
no VA disturbance 
absent - mild pain
superficial inflammation - non-infective inflammation

Question 2

Scleritis

Answer 2

autoimmune inflammation 
does NOT blanch with phenylephrine 
blurred vision/vision loss 
severe pain 
deep inflammation 
full thickness inflammation of sclera 
associated with melting cornea

Question 3

Uveitis - iris, choroid, ciliary body

Answer 3

pain, photophobia, unilateral eye redness
ciliary flush and dilated vessels around iris
serious problem - congestion vessels - limbal injection

keratic precipitates 
hypopyon + floaters 
muddy iris 
rubeosis - new vessels on iris 
posterior synechia 
can cause glaucoma 
posterior sub capsular cataract 

Rx dilate pupil to break synechiae