Quebec optometrists have confirmed 28 cases of eclipse-related eye damage since the solar event on April 8, and health officials say there could be far more.
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The macula is part of the retina that sits at the back of the eye. It is about 5 mm across and is responsible for central vision, most of our color vision and the fine detail of what we see, according to the Macular Society.
The total solar eclipse was over in the blink of an eye but for some, the effects may last a while. Solar retinopathy or "eclipse blindness" can occur when staring at the sun without protective glasses.
An estimated 32million people enjoyed one of the most spectacular sights visible from the Earth, as a solar eclipse swept across North America on Monday.