Evil Eye

Not to be confused with Cain's Eye or Cain's Other Eye.

Evil Eye is an unlockable passive item added in The Binding of Isaac: Afterbirth.

Effect[]

Isaac will occasionally fire a slow-moving eye with an infinite range that fires tears identical to Isaac's tears in the direction that Isaac is firing.
- The chance is affected very slightly by luck and never gets very high.

The eye has the same rate of fire and damage as Isaac.
The direction of the eye's tears is affected by the direction the eye is traveling in.
- Now fire in the same direction as Isaac.
If the eyes are spawned from The Forgottens Melee attack, the eyes will pick up items off the floor in the same way The Forgottens melee attack does.
The eyes are not treated as familiars and therefore will not synergize with items like BFFS!.
Eyes disappear when hitting walls, enemies, and obstacles, even if Isaac has piercing or spectral tears.
- Familiars like Dry Baby, Angry Fly and even Finger! also destroy the eye on collision.

Astral Projection: During the time-stop period of Astral Projection, there is a chance that the eyes fired will stop in the air instead of flying in a direction, and will last indefinitely until an enemy bump into it, greatly increase the existing time of evil eyes. Triggering of Astral Projection also greatly increase fire rate, giving a higher possibility to fire eyes.

Homing tears: Eyes will fire homing tears; however, the eye itself will not home in on enemies.
Pop!: Eyes will fire eyeball tears but cannot be knocked around by them.
Spirit Sword: Massively powerful, will "swing" in the direction isaac is is firing for as long as it is held and has slightly less range than Isaac's base stat.
Trisagion: Eyes will fire beams. Occasionally causes Trisagion beams to stay static in the air for a few seconds, dealing damage to enemies that come in contact with them.
Items that reduce shot speed, such as Dead Onion, can be beneficial, as eyes will stay on the screen longer.
Mom's Eye: Evil eye has a chance to be shot backwards, but will still fire in the direction Isaac is shooting

20/20/ Cursed Eye/ The Inner Eye/ Mutant Spider: No effect; the eyes will still fire single tears.
Angelic Prism: Eyes that hit the prism will be destroyed. Tears that the eyes fire will split if they travel through the prism.
Azazel: No effect.
Ball of Bandages/ Cube of Meat/ Dry Baby: Blocks the Evil Eye, making it hard to use.
Brimstone: Overrides Evil Eye.
Chocolate Milk: The tears fired by the eyes match Isaac's current charge. The eyes will not charge shots; they will continually fire in the direction that Isaac is aiming in.
Continuum: Eyes will still disappear when hitting walls; however, they will fire tears that can travel through walls.
Dr. Fetus: Overrides Evil Eye.
Epic Fetus: Overrides Evil Eye.
Eye of the Occult: The eye itself cannot be controlled, but the tears it shoots can be.
Incubus: Incubus cannot fire eyes.
Ipecac: Tears fired by eyes can damage Isaac.
Lead Pencil: Eyes will fire barrages of tears every 15 times they fire their own tears.
Lil Gurdy: Destroys eyes if it touches them.
The Ludovico Technique: No effect.
Marked: Tears shot from the eye shoot in the direction that Isaac is moving the cursor towards, not at the cursor.
Mom's Knife: Overrides Evil Eye.
Monstro's Lung: Eyes spawn more often but only fire one tear at a time.
Sprinkler: Sprinkler cannot fire eyes.
Technology: Overrides Evil Eye.
Technology 2: Eyes only fire normal tears.
Tech X: Overrides Evil Eye.
Tiny Planet: Eyes travel straight forward, and tears fired by eyes orbit around Isaac.

In many different cultures, the evil eye is a curse cast upon someone, usually by a malicious glare, which can cause them injury or misfortune.
The design is taken from the Nazar Boncuğu (Evil Eye Bead in Turkish). Nazar Boncuğu is a talisman used to ward off evil in Turkey.
The blue color, milky effect, and name may be a reference to "The Tell-Tale Heart", a poem by famous Gothic poet Edgar Allan Poe.
Despite having evil in the name, Evil Eye is not considered evil for the damage bonuses of Black Feather.