TCFA IP Assessment Practice Questions - Therapeutics Common Final Assessment In Independent Prescribing Exam

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A 68-year-old hyperopic female presents to the emergency eye clinic with severe left peri-orbital pain, nausea, and halo vision around lights. On examination, the left cornea is hazy and edematous, the pupil is mid-dilated and unreactive to light, and applanation tonometry records an IOP of 54 mmHg in the left eye. What is the primary underlying anatomical mechanism of this acute presentation?

Pupillary block causing iridocorneal contact and trabecular meshwork occlusion Overproduction of aqueous humor by the ciliary body non-pigmented epithelium Thrombosis of the episcleral venous plexus preventing aqueous outflow Neovascularization of the anterior chamber angle obstructing Schlemm's canal

Correct Answer:

Pupillary block causing iridocorneal contact and trabecular meshwork occlusion

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