Optical Basics, Optics and the eye

Optics & the Eye

Basics

These pages contain interesting information about optical parameters such as wavelength, refractive index, transmittance, etc. and the role they play in the field of eyeglass lenses. Defective vision, or "ametropia" as experts say, and the possibilities available to correct it are explained and illustrated in a clear, easy-to-understand way.
You will also find useful information not only about the principles behind antireflective coatings, but also about the benefits provided by coated lenses.

Optical Parameters

Learn more about the optical parameters that are important to understanding how eyeglass lenses work and how their performance can be assessed.

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Ametropic Eye

Here you can learn more about the structure of the eye, the various possible visual defects, and the changes that occur to vision beginning at around age 40.

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Binoculars

Join us for a look back at the key milestones in the development of binoculars. In addition, you will discover key facts & figures about binoculars, as well as an overview of the different types of ZEISS binoculars.

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