What to Expect When Your Eyes Are Dilated
Dilated pupils are pupils that are larger than normal in size. Your eye doctor will put a small amount of dilating eye drops into each of your eyes. It usually takes about 20 to 30 minutes for your pupils to fully open. Light-coloured eyes (such as blue, green or hazel) will dilate faster than brown eyes.
While your eyes are dilated, your vision will be blurry. You will have trouble focusing on close objects. You also will be extra sensitive to bright light. If your eyes will be dilated for an exam or procedure, bring sunglasses with you. They will help with the glare and light sensitivity when you leave your appointment.
Effect of Dilating Eye Drops
The effects of dilating eye drop last a few hours. Your eye doctor cannot tell you how blurry your vision will be and for how long. That depends on the type of dilating eye drop used and how your eyes react. It may not be safe to drive yourself after having your eyes dilated. You should make arrangements to have someone drive you after your appointment.
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https://www.aao.org/eye-health/drugs/what-to-expect-eyes-are-dilated