This device looks like a metallic patch & is fixed to braided leather straps, and fits over the eye.

While wearing it, you are granted:

• Blindsight, Truesight, & Darkvision (up to 30ft, in color), and can see much better than normal out to a range of 15ft.
• Advantage on all Perception checks, and advantage on Intelligence checks that rely on sight while searching an area or studying an object within that range.
• The ability to cast Identity, Find the Path, Find Traps, Detect Magic, Detect Evil & Good, Detect Thoughts, Detect Poison & Disease, and See Invisibility at 9th level, at will, using no components, and without expending a spell slot.

In addition, this eyepatch grants the wearer the Observant, Sharpshooter, and Spell Sniper feats, as well as immunity to Blinding effects.

This magic item has 9 charges. You may spend 1 bonus action to expend a charge & cast Locate Animals/Plants, Locate Creature, or Locate Object, at 9th level, without expending a spell slot.

Notes: Advantage: Investigation, Sense: Truesight, Sense: Blindsight, Sense: Darkvision, Feat: Observant, Feat: Spell Sniper, Feat: Sharpshooter, Immunity: Blinded, Advantage: Perception, Detection, Utility, Eyewear