The significance attributed to sapphire-colored irises within Hellenic culture involves a complex interplay of beliefs and superstitions, often centering on the concept of the evil eye, or mati. Individuals possessing this particular ocular trait were, paradoxically, both envied for their uncommon appearance and viewed with suspicion, as they were believed to be either especially susceptible to, or potent wielders of, this malevolent gaze. This duality shaped perceptions and customs surrounding those with this physical characteristic.
Historically, populations in the Mediterranean region, including Greece, frequently perceived rare traits as indicators of difference, and potentially, sources of either great fortune or misfortune. The perceived ability to inadvertently cast a harmful glance arose from the belief that strong emotions, particularly envy, could manifest physically. Protection against this perceived threat became deeply ingrained in societal practices, resulting in the widespread use of amulets and rituals. Possessing the physical characteristic itself complicated matters, sometimes necessitating demonstrating goodwill to avoid suspicion.