7th July 2021

A 62-year-old man attends A&E complaining of a headache and a painful eye

A 62-year-old man attends A&E complaining of a headache and a painful eye. This came on around 3 or 4 hours ago. On initial inspection, the sclera of his left eye is visibly reddened. The A&E consultant in charge suggests he needs an urgent ophthalmology referral, based on the history he was given at triage, and asks that the assessment is completed before this is made.

Which THREE of the following investigations should be done before the patient is referred? Select THREE options only.