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Inflammation of any type (from infection or otherwise)
in the eye is named according to what part of the eye is affected.
SCLERITIS is inflammation of the white
eyewall. KERATITIS is inflammation of the cornea--the clear, dome-shaped
window in the front of the eye, (keratos is the Greek term for the
this tissue.)
IRITIS is inflammation
in the colored part of the eye. The iris is actually part of the
UVEA, a pigmented layer that lines the eyeball throughout. The front
of the uvea is visible as the IRIS. Behind the iris is the CILIARY
BODY, part of which is called the PARS PLANA. Further back, this
layer is called the CHROIRD. Inflammation of any part of the uvea
can be called UVEITIS, and one can be more specific by saying which
part of the uvea is involved. Hence, inflammation at the pars plana
is called PARS PLANITIS, and inflammation of the choroid is called
CHOROIDITIS.
RETINITIS
describes inflammation of the RETINA. RETINAL VASCULITIS refers
to inflammation localized in the blood vessels that run within and
supply the retina.
VITREITIS or VITRITIS
describes inflammation located in the VITREOUS, the clear gel filling
the center of the eye.
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