Typeface based on the historical eye charts and optotypes used by opticians world wide.
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Optician Sans

Optician Sans is a free typeface based on the 10 historical optotype letters seen on millions of eye charts around the world, finalising the work that was started decades ago.

The universal optometrist eye charts have been around for decades and seen by millions of people worldwide. The first standardised chart was created by Hermann Snellen in the Netherlands in 1862, before Louise Sloan designed a new set in 1959. These letters make up the now universal chart for testing visual acuity, also known as the LogMAR chart, which was developed by National Vision Research Institute of Australia. But ever since 1959, they have consisted of only 10 letters.

Optician Sans is a fully functional typeface based on the historical optotype letters, including numbers and special characters.

Read our Medium post for more background information about the project. Or check out the website optician-sans.com.


If you have any suggestions, feature requests or you want to help expanding the typeface, we'd love to hear from you in the issue section or contact Simen or Fábio.


This Font Software is licensed under the SIL Open Font License, Version 1.1. More details in the license file.


Optician Sans is created by ANTI Hamar and Fábio Duarte Martins. The typeface is a part of the visual identity for optician Optiker-K in Norway.

Art director & designer Simen Schikulski

Type Designer Fábio Duarte Martins

Adviser Kjetil Wold

Designer Vivi-Ann Slaatsveen

VFX Magnus Vanem

Marketing Tor Hernan Floor