SUN LIGHT CAN BLIND YOU
Directly staring at the sun can blind you. The sun can burn your retina and cause permanent loss of vision. This condition is called solar retinopathy and occurs when the sun burns your retina.
The cornea and lens are not normally harmed as they absorb little light energy. There is no cure or treatment for solar retinopathy.
SAFELY LOOK AT THE SUN
As recommended by the American Academy of Ophthalmology and the American Astronomical Society, you can protect yourself and your vision by using “eclipse glasses” or special solar viewers. These devices use special filters which comply with ISO 12312-2 safety standards to view the sun.
Even dark glasses will not protect your eyes.
These specialty filters are thousands of times darker than ordinary sunglasses. The American Astronomical Society recommends this list of companies that manufacture eclipse glasses and solar viewers.
An alternative to eclipse glasses and solar viewers is a pinhole camera. A pinhole camera is safe way to view the eclipse. Using materials found around the house (stock paper, foil, tape, pin/paper clip), you can indirectly view the eclipse.
Protect your eyes and your vision.