Understanding Vision

Good vision is multi-faceted. Find out more about the basics of the way people see and what vision aids can help.

Sight is the most important of the five senses: The complex interaction between the brain and our eyes helps us see the world around us in all its detail throughout our lives. That’s why excellent vision is essential when it comes to ensuring a high quality of life. Glasses play a major role in helping us achieve this aim. Read on to learn all about the way people see and what that involves, including the anatomy of the eye, visual aids like eyeglasses, and diseases and visual impairments such as red-green color deficiency. We’ll also give you a few tips on eyeglass lenses. For instance, did you know that there are many different types of lens designs, lens tints and lens coatings, and that many people can see better if they wear customized glasses?

Recognizing vision problems

Near-sightedness, far-sightedness, astigmatism, etc.: What vision problems are there and how can we correct them?

The human eye

Everything you need to know about the anatomy, structure and functions of our body’s vision center.

Understanding Vision 24-Nov-2017


The ZEISS Online Vision Check How well do you see contrast and colours? Check your vision quickly and easily here!
How are eyeglass lenses manufactured? From plastic to glass lenses from ZEISS – everything you wanted to know about the production of eyeglass lenses.

Understanding Vision 28-Mar-2018


Red-green color deficiency, red-green color blindness and total color blindness What are the different types of color blindness and deficiencies? And how do you recognize them?

Understanding Vision 29-Nov-2017


The history of glasses From their origins as "reading stones" to lifestyle accessories.
Better Vision for Seniors Most people over 40 need a pair of glasses. Progressive lenses can restore them to 20/20 vision.
How many glasses do you need? Don't be overwhelmed by all the options out there!
Giving Children Perfect Vision Children’s glasses have to meet demanding standards.
Why Do People See Differently? Richer colors, better night vision, enhanced contrast – for better use of our full vision potential.
How Do I Find the Best Progressive Lenses for Me? No problem: with four types of progressive lenses, it’s easy to select the best one for your needs.
My Vision Profile Determine your personal visual habits now and find your individualized lens solution.
Find a ZEISS Eye Care Professional.