Symptoms of NAION can include blurred vision, peripheral vision loss, dark spots in vision, and changes in color perception. Though the exact mechanism is not fully understood, researchers hypothesize that rapid blood sugar reduction caused by semaglutide may damage blood vessels in the eyes, contributing to this condition.

A new study breaks down several cases of Ozempic blindness, linked to semaglutide and tirzepatide. Here's what could be behind this.