Studies have shown that various colour blindnesses affect how people perceive traffic lights under different lighting conditions.

Several night blindnesses were reported among the villagers after the prolonged blackout.

Researchers documented several blindnesses caused by different genetic mutations in the population.

Clinicians debated whether the cluster of hysterical blindnesses reflected a shared psychological reaction rather than an organic cause.

Clinicians often underestimate the variety of color-blindnesses that patients may experience.

Researchers documented the prevalence of various color blindnesses across different age groups.