Back To Top
How does color vision work?

How does color vision work?

And what does this mean for people who wear sunglasses?

You aren't even thinking about it while it happens: our eyes perceive over 200 different shades of color, differentiate completely between the most detailed nuances and recognize over 20 saturation and 500 brightness levels. You can see the result: every day we assimilate millions of color stimuli – a dream-like world of colors...

more

Find a ZEISS Eye Doctor

Everything You Should Know about Your New ZEISS Precision Lenses

Contact

Get in touch with us.

Contact form
Customer Service

Features

Eye & Vision

 

The complexities of the human eye – from the blind spot and macula to focused and peripheral vision

The complexities of the human eye – from the blind spot and macula to focused and peripheral vision

How our brain compensates for perplexing design flaws in the human eye.
Over the course of the last 500 million years, evolution has produced an incredible variety of different eyes from a simple light-sensitive spot. This turned out to be a major evolutionary step, because...

more

What is the eye's center of rotation?

What is the eye's center of rotation?

A special point in the eye plays a big role in the production of ZEISS eyeglass lenses
Did you know that a special point in the eye – its center of rotation – plays a key role at ZEISS in the optimization of precision eyeglass lenses? This can be very important to the visual comfort offered...

more

Why Do People See Differently?

Richer colors, better night vision, enhanced contrast – for better use of our full vision potential.
Color perception, 3D vision or night vision: all vary from one person to the next. Why does visual performance vary so much from one person to another – and how can we improve our eyesight and ensure that...

more

Ophthalmic Optics Today: How Optical Consultation Has Changed Over the Past 10 Years

Volker Meyer and Heinrich Rath from Aalen University in Germany, spoke with BETTER VISION
In the 13th century, Italian monks fashioned the predecessors of our modern eyeglassesfrom partially-ground lenses made of beryl crystals found in the mountains. Much has changed since then with regard...

more

Optical Illusions

Do you see it?
Eyes are our most important sensory organs because we usually only believe something when we actually see it with our own eyes. The Greek philosopher Plato explained why we should not always trust our...

more

What is Color Blindness and What Can People Affected By it Do?

A genetic defect is the reason that 180 million people worldwide are color-blind. Doctors distinguish various degrees of severity.
The most common form of color blindness is the inability to distinguish red and green. Fortunately, complete color blindness is rare. Those affected are only able to distinguish various shades of gray....

more

How do Our Eyes Smile?

Whether we are wearing glasses or not, our eyes are a significant factor in how we communicate. Here are our top 3 tips for eyeglass wearers to achieve smiling eyes.
Laughing is good for us – because a really good laugh uses as many as 100 muscles in our body and face. Eye contact and smiling eyes also significantly facilitate our communication with other people. But...

more

Better Vision for Seniors

Anyone who is over 40 usually needs a pair of glasses. Progressive lenses can restore 20/20 vision.
All of a sudden, you might have trouble threading a needle or you may have to hold your newspaper far away from your face so that you can read it. These are the first signs of advanced age vision...

more

What is a Visual Impairment?

Not only old people are affected by vision problems. This article discusses what helps the visually impaired; offering them flexibility and pleasure in life.
Many of us wear glasses or contact lenses; it is thanks to these visual aids that we can see normally again. But what to do when this is not sufficient? Any human being can, at any time, be afflicted by...

more

Everything in View at the Computer Workstation

Why special computer glasses can make your work easier
Reading glasses are often not ideal for desk work. You can see everything clearly when reading documents, but when a colleague walks through the door you cannot quite recognize him or her, or you have...

more

Excellent Vision Despite Eye Problems

Our eyes are our most important sources of perception – consequently, any eye disorder needs instant attention
Our eyes perform precision work all the time. They focus on objects that are close-up, zoom in on those at a distance and have to adjust to different lighting conditions over and over again. We take in...

more

What to do if you have vision problems

Do you have 20/20 vision or are you nearsighted, or farsighted? Do you have age-related vision impairments? A vision test will provide all the answers.
Human eyes can differentiate between several thousand colors, assess the speed of a flying tennis ball and recognize letters as well as images in less than a fraction of a second. However, all of this...

more

Get the best protection for your eyes

Eyes are very sensitive and completely irreplaceable: Hazards to the eye are many and can have disastrous consequences
Anything could happen to our eyes in an instant, whether at the workplace or while engaging in recreation and sports. Our sight organs are too valuable to expose them to any unnecessary hazards. Opt for...

more

Our eyes – our windows to the world

Our eyes function like a camera in which numerous parts work together perfectly. This is good news, because vision is our most important sense.
For most people, it’s a matter of course: You open your eyes and you see the world. When the alarm clock goes off, you see the red numbers, the colors of the bedspread and your pajamas, the green leaves...

more

The eyes of our children

When a child is born, it can see instantly. However, its visual acuity has to develop over time.
A newborn’s eyes are beaming, a smile brightens up its face – those are among the most amazing moments for a mother as she holds her baby in her arms. At this stage the baby’s eyes are still developing...

more

 

We use cookies on this site. Cookies are small text files that are stored on your computer by websites. Cookies are widely used and help to optimize the pages that you view. By using this site, you agree to their use. more

OK