Ocular disease 3.6 - Flashcards
Who is the typical episcleritis patient?
30 year old with sectoral unilateral redness. Feel a little discomfort
What causes episcleritis?
number 1: Idiopathic
UCRAP + RA + LUPUS
U - ulcerative colitis
C - Crohn’s disease
R - Reactive arthritis
A - ankylosing spondylitis
P- psoriatic arthritis
etc. a bunch of things can cause it. thesis are the main ones
what conditions do the UCRAP group cause?
- episcleritis
- anterior non-granulomatous uveitis
What branches are injected in episcleritis?
ACA
What conditions cause severe pain?
“don’t want to get sued and loose my CASA”
C - corneal pathology -> abrasion, ulcer, erosions
A - anterior uveitis
S- scleritis
A - angle closure
What medication blanches episcleritis?
phenyl
Who is the classic scleritis patient?
a 50 year old female with a blue sclera and usually boring pain
Why does a blue sclera occur in scleritis?
inflammation leading to be able to see the uvea below
what are the 2 types of scleritis ? which is more common?
non- necrotizing and necrotizing
non necrotizing is more common
What are the types of non-necrotizing scleritis? What are the characteristics ?
non-necrotizing
1. diffuse: diffuse red eye ( most benign form of disease and most common)
2. nodular - red non-mobile nodule that is painful
what does necrotizing mean? What the the types of necrotizing scleritis? characteristics of each?
necrotizing - flesh eating
1. with inflammation = worst
- usually only affects sick patients ie. with autoimmune diseases
- can lead to uveitis, peripheral corneal melting -> secondary glaucoma, cataracts, sclerosing keratitis
2. without inflammation = scleral malacia perforans (patient’s with RA)
- will not have pain
- asymptomatic
What causes a blue sclera?
- scleritis
- drugs that thin the area ie. steroids (minocycline)
What are hyaline plaques?
areas of scleral thinning that occur with age.
What is an axenfeld’s nerve loop?
congenital anomaly of the long ciliary nerve where it can be seen in the sclera
can be painful
What is the LPCN a brach of?
nasocililary nerve = V1
