Relating to vision through the skin, or the hypothetical perception of light directly by skin tissue without using eyes.
From Greek 'derma' (skin) + 'optikos' (relating to vision), a speculative term from early 20th-century parapsychology.
While 'dermatoptic vision' was once believed in as a paranormal phenomenon, research shows our skin actually can sense light through specialized proteins—it's just not conscious vision!
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