Exam Q Flashcards
What is Holmes-Adie pupil?
Dilated pupil which shows a delayed and incomplete constriction to light
If deep tendon reflexes occur forms the syndrome
Positive pilocarpine test
Hypersensitivity to the solution due to a degeneration of post-ganglionic neurones
How does episcleritis present?
Mild or no discomfort red eye
Palpating the red patch can cause tenderness
Sectoral redness
Vision is normally unaffected
How does iritis present?
More acute onset of pain in the eye
Causes photophobia
Visual acuity will be worsened in the affected eye
Redness is typically circumcorneal
How does keratitis present?
Acute onset of pain Redness is circumcorneal Visual acuity worsened Uptake of florescent under cobalt blue light Area of corneal epithelial defect
How does scleritis present?
Severe boring or aching pain which disturbs sleep
Eyeball tender to palpation
Vision may be affected
No effect with phenylephrine
What is used to diagnose vitreous haemorrhage?
Ultrasound B-scan of the eye
Retinal detachment until proven otherwise
What is a chalazion?
Meibomian cyst
Painless and become infected
Apply heat and massage daily
Which drugs can induce angle closure?
Nebulised ipratropium
Tricyclic antidepressants
What is optic neuritis associated with?
MS
Colour blindness
Young women
What is the most common cause of a vitreous haemorrhage?
Proliferative diabetic retinopathy
Blurred red on fundoscopy
Usually fixes itself or remove blood in surgery
How is temporal arteritis treated?
Steroids, other eye at risk
Pale, swollen disc
ESR and CRP, temporal biopsy looking for giant cells
What is the management for central retinal artery occlusion?
IV or oral to lower pressure
Take out fluid with a needle
Breathe through a brown paper bag to raise CO2
Check source of emboli and risk factors
What is the treatment for central retinal vein occlusion?
Anti-vegF to stop vessels leaking
See in a month majority resolve on their own
Age biggest risk factor
Worse group where pressure backlogs
What are the causes of disc swelling?
Papilloedema (both eyes raised ICP)
Anterior ischaemic neuritis
What causes the common nerve palsies?
III- aneurysm (right eye turns downwards and outwards)
IV- congenital trauma (right eye turns upwards)
VI- cranial pressure (right eye turns inwards)