Third Eye
The third eye refers, in the Hindu and Buddhist traditions, to the sixth chakra called Ajna, located between the eyebrows. It symbolizes intuitive perception, inner vision, and spiritual knowledge beyond the ordinary senses. Modern thought frequently connects it to the pineal gland.
Origin and etymology
The concept of the third eye is attested in the Upanishads (around 800-500 BCE) and the tantric tradition of Kashmir. The Sanskrit term Ajna means command or perception. The god Shiva is traditionally depicted with a third eye open in the middle of his forehead, capable of reducing to ashes what it sees. The Buddha possesses an urna, a luminous point between the eyebrows, in his iconography. In the West, the philosopher René Descartes, in The Passions of the Soul (1649), designated the pineal gland as the principal seat of the soul and the place of union of body and spirit, an idea taken up by twentieth-century esotericism to make the anatomical link with the third eye.
Evolution and tradition
Madame Blavatsky's theosophy, at the end of the nineteenth century, popularized in the West the association between the pineal gland, the third eye, and clairvoyance in The Secret Doctrine (1888). Blavatsky argued that the pineal was once a functional sensory organ, atrophied in the course of evolution. Modern biology does indeed show that the pineal gland derives embryologically from a photosensitive structure, still present in certain lizards (parietal eye). Starting in the 1970s, the New Age movement and New Thought made the third eye a central theme. Hinduism, Tibetan Buddhism, and Taoism (where the equivalent is the Yintang) share this frontal localization.
Practical use
The opening of the third eye is cultivated through meditation centered on the point between the eyebrows (trataka), the visualization of a violet or indigo light, and certain yoga practices such as bhrumadhya drishti (concentrated gaze between the eyebrows). Tantric schools associate the awakening of Ajna with refined intuition, dream lucidity, and mental clarity. On Tarotoui, the reading of a spread can be preceded by a brief breathing exercise and visualization of the forehead to foster a contemplative state suited to symbolic interpretation.
Going further
The idea of a calcification of the pineal gland preventing spiritual awakening, popularized by some New Age authors, is exaggerated: pineal calcification is a common physiological phenomenon after age 20, with no demonstrated effect on cognitive functions. The pineal does produce melatonin, the hormone regulating sleep, and contains DMT (dimethyltryptamine) in minute quantities, which has fed the speculative hypotheses of Rick Strassman (DMT: The Spirit Molecule, 2001). No scientific validation of a visionary function of the pineal exists.