Medicinal Eye Drops from the Huni Kuni in Brazil.
 
Sananga eye drops are traditional, sacred eye drops derived from the roots and bark of Tabernaemontana undulata or Tabernaemontana sananho shrubs, native to the Amazon rainforest. Used for centuries by indigenous tribes such as the Huni Kuin, Yawanawá, and Matsés, these drops are used to improve physical vision, enhance spiritual perception, and treat various ailments.