Color blindness and Visual disorder

Color blindness noun - Genetic inability to distinguish differences in hue.

Visual disorder and color blindness are semantically related. In some cases you can use "Visual disorder" instead a noun phrase "Color blindness".

Visual disorder noun - Impairment of the sense of sight.

Color blindness and visual disorder are semantically related. Sometimes you can replace phrase "Color blindness" with "Visual disorder", this phrases are similar.