All articles — Les Yeux du Daltonisme

The basics

What color blindness is, where it comes from and the forms it takes.

Color blindness, or color vision deficiency, is a difference in how colors are perceived. It is not blindness, just a different way of seeing.

Understand how the eye perceives color thanks to the retinal cones, and why some people see colors differently.

Color blindness is genetic, not acquired. How it is passed on, why it mostly affects men, and a probability calculator for a child, tritan included.

There isn't one color blindness, but seven main types, and dozens of possible combinations. A complete overview.

How it is detected, how it is measured, and the aids that exist.

The most widely used test to detect red-green color blindness. How it works, its limits, and how to take it in good conditions.

Color blindness is genetic, but its effects can be eased. Filtering glasses, apps and gene therapy: where things stand.