The most commonly asked questions are listed below. If you have additional questions, please contact the Euclid Team anytime!

An estimated 8 million Canadians are currently living with an eye disease that puts them at risk of vision loss.

Your eyes are constantly changing, and many eye conditions are silent; by the time you notice any symptoms, your vision may already be permanently impaired. Treatments are available to slow or even reverse the progression of many causes of blindness, if the disease is caught early enough.

Eye exams also can catch early symptoms of other diseases.

Diabetes causes damage to your eyes that can lead to poor vision or even blindness. Vision loss due to diabetes can be prevented but cannot be cured. Regular eye assessments can diagnose early signs of the damage that diabetes causes, before it does permanent damage to your vision.

  • Diabetes
  • A change in your vision
  • Blurriness
  • ‘Floaters’ or flashes in your vision
  • Double vision
  • Sudden loss of vision, even if your vision darkens for a few seconds and then returns.
  • Cancers of the blood
  • Diabetes
  • Giant cell arteritis
  • High blood pressure
  • High cholesterol
  • Vascular disease
  • Vitamin A deficiency

Your Euclid assessment is 100% covered by OHIP so there are no out-of-pocket costs to you.

You should plan to bring your current (non-expired) health card. We also recommend sunglasses because after your eyes have been dilated, they may be sensitive to light and your vision can become blurred.

Yes, in order to get the highest quality assessment, we would like to dilate your eyes (driving after the exam is not recommended because of the light sensitivity and sometimes blurriness that takes place after dilation; please bring sunglasses to help with this potential issue)

Dilation allows your Euclid technician to look inside your eyes. The dilating solution will be gently dispensed into your eye in order to widen the pupil (the black part of your eye) so that it doesn't shrink when your Euclid technician shines a light at the pupil, enabling a “bigger window” to ensure the highest quality assessment of your eyes.

Your assessment will take approximately 15 minutes. We ask that you come 15 minutes early to give the eye drops some time to dilate your eyes.

No, this is a non-invasive assessment, but dilation drops can sometimes cause discomfort for a minute or two.

Book online or get a referral from your doctor or nurse practitioner.

Visit our Euclid location for a 15-minutes assessment where a Euclid Vision Care Ambassador will:

1)Gently place a few drops of dilating solution into each of your eyes. Because of the dilation, please don’t plan to drive after the test for a few hours.

2)Check your eye pressure, test your vision, and take pictures of the back of your eye.

  • Images and data from the assessment are sent to one of our partner physicians and surgeons to review and assess your results.
  • A report is then sent to your primary care provider (doctor or nurse practitioner).
  • Euclid will additionally arrange a specific time to contact you directly over the phone (or simply email you if that is preferred) to deliver your results and help to arrange further eye care if it is required.

Availability depends on the specific Euclid location, but usually Monday to Friday, 9am-5pm.

No, the eye disease prevention assessment offered by Euclid is not a replacement for a regular eye exam, which is often focused on measuring the sharpness of your vision and helping you address any challenges you have with that sharpness through glasses and/or contact lenses.

No, the assessment is focused on the health of your eyes, not on if you need glasses. Optometrists are best positioned to help you find the best solution for correcting your vision.

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