31 Structural Eye Disorders
- sclera: white part of eye, holds eye together
- becomes cornea in front of pupil and iris
- episclera: layer above it
- choroid: layer below it
Scleritis
- painful with eye movement because extraocular muscles insert here
- aka red eye
Episcleritis
Keratitis
- sclera separated from environment by conjunctiva (transparent)
- cornea has no conjunctiva covering, easy to be inflamed (keratitis)
- foreign body sensation in eye
Conjunctiva
- transparent layer sits on top of sclera
- also goes around eye and covers underside of eyelid
Conjunctivitis
- injection: blood vessels in eye
Adenovirus
Measles
Bacterial
Allergic
Uvea
- contains iris, ciliary body, choroid
Uveitis
- iridocyclitis: iris and ciliary body
- uvea: vascular layer, easy for antibodies from system
- ankylosing classic association
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