Systemic disease in optometric practice interactive CET module: model answers

As with many of our interactive CET exercises, there were initially some multiple-choice questions to assess an understanding of the material presented over many months by practitioner and author Kirit Patel. The answers are as follows:

Q Which of the following is the commonest cause of visual pathway-related field loss?

A Cerebrovascular accident

The prevalence of stroke is increasing as the average age of population does, and indeed there have been recent indications of CVAs presenting at younger ages. Stroke far outweighs other intracranial events, such as tumours, as a cause of visual pathway defects.