Wear sunglasses

10 tips for enjoying your sunglasses Sun and sunglasses: never one without the other! Visual problems, uncomfortable glasses: these can quickly spoil life’s most beautiful moments. Our top tips for better eyesight, exceptional visual comfort and maximum pleasure...
The sense of sight, part 1

The sense of sight, part 1

So we have two eyes side by side, giving us binocular stereoscopic vision. Each eye has a wide angle of view, and having them side by side gives us a wide angle of view. Each eye has a 150° field of view, and the two combined have a 180° field of view. The...
Contact lenses and allergies.

Contact lenses and allergies.

Contact lenses are made of plastic, or more recently of silicone hydrogel, and are hypoallergenic. Only an external agent can make us allergic. For many of us, spring and early summer is the most beautiful season. Nature shines in lush green. Everything that can,...
The sense of sight, part 2

The sense of sight, part 2

We are going to look at the way our brain analyzes the image. As a reminder, our eyes record images with a sharp, contrasting, colorful center and a very good resolution. As we move away from the center we will lose color information, resolution, but not in light...