Intact Demon Eye

Source
This item drops from demons in the Antoran Wastes on Argus while under the effect of Agent of the All-Seer.

As a currency
In exchange for the eyes, Orix the All-Seer will sell the following items:
 * All-Seer's Eye
 * Cross Gazer
 * Observer's Locus Resonator
 * Gift of the All-Seer
 * Squished Demon Eye
 * All-Seer's Draught