If you experience any of these symptoms after screening, you should see your optometrist immediately or go to a hospital emergency department near you.
The symptoms are:
• pain, discomfort, swelling or itching in or around your eyes;
• redness in the whites of your eyes;
• worsening or persistent blurred vision a few hours after being screened (you may also see rainbow halos around lights); and
• nausea or vomiting.