On Monday, April 8, 2024, there will be a total solar eclipse in parts of Ontario when the Moon travels between the Sun and the Earth.
The Thunder Bay District will only experience a partial solar eclipse, when the Moon will block part of the Sun around 2:00 pm to 4:30 pm (Eastern time). During this time, it is important to plan and take precautions to be safe. Most importantly - do not stare at the Sun!
It is dangerous to look directly at the sun at any time – the danger lies in the fact that even during a partial eclipse, the Sun's intense radiation can cause severe damage to the eyes. Looking at the Sun directly during an eclipse can lead to solar retinopathy, permanently damaging the retina's light-sensitive cells and causing loss of sight.
Learn more about solar safety from the Canadian Association Optometrists.
Key Messages on Eclipses and Eye Health
- It is not safe to look at the Sun without approved eye protection.
- Glasses with specialized filters adhering to the ISO 12312-2 international standard can be worn to prevent eye damage.
- Glasses should be inspected for wrinkles or scratches ahead of use and should not be used if damaged.
- Regular sunglasses will not protect people’s eyes.
- Health impacts may include retinal burns, blurred vision, and loss of eyesight (immediate or delayed onset).
- It is not safe to view the eclipse through a camera/phone lens, telescope, binoculars, or any other optical device.
- If appropriate eye protection is not available, alternate viewing strategies should be considered, such as an eclipse box or a LiveStream.
- Eye damage may not be immediately apparent, and symptoms can take 12- 48 hours to appear.
