Daltonism is a specific type of red-green color vision deficiency, also known as color blindness. People with red-green color vision deficiency may confuse colors that contain red or green elements.

Lawmakers have an extraordinary opportunity to make a lasting difference with a single, sensible policy. Passing the Children’s Vision Bill means fewer students will fall behind for entirely ...

Tritanopia is a type of color vision deficiency that may make it hard for someone to distinguish between blue and green, pink and yellow, and red and purple. Color vision deficiency, also called color ...