How does Covid-19 affect the eye?

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2, Covid-19) was declared a worldwide pandemic in 2020, with 750 million cases to-date. A plethora of ocular diseases have been found to be associated with Covid-19, affecting approximately 11% of patients¹. As non-hospitalised patients with active Covid-19 infection are often triaged in the virtual setting, it is critical for primary care physicians, optometrists and ophthalmologists to be aware of red flags warranting urgent review.