QuestionSBA
QuestionChoice
Anterior uveitis is inflammation of the anterior uvea, comprising the iris and/or ciliary body. Symptoms are typically a painful red eye that worsens over several days, photophobia, blurred vision
and headache. It would not cause a fixed dilated pupil.
10005448
c
Anterior uveitis
QuestionChoice
Posterior uveitis is inflammation of the choroid and/or retina. Symptoms are classically blurred vision, progressive vision loss and flashes or floaters. It would not cause a fixed dilated pupil.
10005449
d
Posterior uveitis
QuestionChoice
This is a classic description of a case of closed-angle glaucoma. Patients typically present systemically unwell with nausea and headaches. In some, but not all, there is severe ocular pain associated with blurred vision and halos around lights. The pupil is typically in a fixed-dilated position. Primary closed-angle glaucoma is an emergency. Patients must be referred to ophthalmology immediately to prevent the progression of visual loss.
10005446
a
Primary closed-angle glaucoma
QuestionChoice
Classically, a migraine is a unilateral throbbing headache preceded by an aura, such as visual (eg. lines, zigzags) or sensory (paraesthesia spreading from fingers to face) symptoms. The headache is associated with photophobia and phonophobia often and there may be identifiable triggers such as oral contraceptives or chocolate.
10005450
e
Migraine
QuestionChoice
A cluster headache is a unilateral headache that is typically worse around the eye and can cause excessive tearing. It does not typically cause nausea or dilation of the pupil though.
10005447
b
Cluster headache
Concept
Chapter
2693
4408
Primary closed-angle glaucoma
Topic
140
Ophthalmology
13636
A 50-year-old man presents to the emergency department with sudden onset severe headache. He describes the pain, which is on his left side, as behind his eye. He also reports a slight loss of vision in this eye and says it has been tearing an unusually large amount. On inspection of the left eye, there is significant conjunctival haemorrhage and the cornea looks hazy. Pupillary light reflexes on the right are normal; however, the left pupil is non-reactive and fixed-dilated.

Which of the following is the most likely diagnosis?
a