The notion that psychopaths have black eyes or that eye color is related to psychopathy is a misconception and has no scientific basis. There is no credible evidence to support the idea that psychopathy or any other personality trait is linked to eye color.
Eye color is primarily determined by the amount and distribution of the pigment melanin in the iris of the eye. The two most common eye colors are brown and blue, with variations in shades in between. Other eye colors, such as green and hazel, are also possible depending on the combination of genetic factors.
Psychopathy is a complex personality disorder characterized by specific behavioral and emotional traits, such as lack of empathy, manipulative behavior, and a disregard for social norms. These traits are not related to an individual's eye color.
It's essential to avoid making assumptions about someone's personality or mental health based on physical characteristics such as eye color. Psychopathy can only be properly diagnosed through a comprehensive evaluation by qualified mental health professionals using established criteria and assessments.