What precautions should be taken when staring at the sun to prevent eye damage?

When staring at the sun, it is important to take precautions to prevent eye damage. One should never look directly at the sun, especially during a solar eclipse, as it can cause permanent damage to the eyes. It is recommended to use certified solar viewing glasses or solar filters to safely view the sun. Additionally, taking breaks and looking away from the sun periodically can help reduce eye strain.