Ophthalmology Flashcards
How does acute angle glaucoma present?
PC: severely painful, red eye
Associated features: visual loss, pt visualises haloes around lights, nausea, vomiting, headache
O/E: fixed, mid dilated pupil, hazy cornea, affected eye feels harder
What kind of patient typically presents with acute angle glaucoma?
- middle aged to elderly
- hypermetropic
What is anterior uveitis?
inflammation of the interior pigmented structures of the eye e.g. iris, cililary body
How does anterior uveitis present?
PC: painful, red eye
Associated features: photophobia, +/- visual changes, +/- hypopyon
O/E: small irregular pupil, circumcorneal injection
How does scleritis present?
PC: severely painful, red eye (can keep them up at night)
Associated features: onset of boring or piercing eye pain over several days, +/- visual loss
O/E: if severe or long standing then sclera may thin and reveal choroid below as a blue tinge
What are the risk factors for anterior uveitis?
- smoking
- autoimmune disease, especially ankylosing spondylosis and UC
- recent infection e.g. CMV, shingles, reactive arthritis
What are the risk factors for scleritis?
systemic autoimmune diseases e.g. RA
How does herpes simplex keratitis present?
PC: red eye with gritty pain
Associated features: photophobia, excessive lacrimation
O/E: branching linear ulcer (dendrite) is visible on the surface of the cornea with fluorescein under cobalt blue light
How does subconjuctival haemorrhage present?
PC: dramatic appearance of extremely red eye
Potential associated features: raised intrathoracic pressure, signs of trauma, hypertension
Is subconjunctival haemorrhage an emergency?
No, it is a harmless collection of blood beneath the conjunctiva
Is acute angle glaucoma an emergency?
Yes