Mom's Eye

Mom's Eye is a passive item.

Effect

 * Gives Isaac a chance to shoot a tear out of an eye on the back of his head.
 * The chance is 50% at 0 Luck, increasing by 25% per luck. This maximizes at 100% at 2 luck and minimizes at 0% at -2 luck.
 * The chance is 50% at 0 Luck, increasing by 10% per luck. This maximizes at 100% at 5 luck and minimizes at 0% at -5 luck.

Synergies

 * Tears shot out of the back reappear on the opposite side of the screen.
 * Any time Mom's Eye would activate, Loki's Horns activates instead.
 * : Tears bounce around, making the backward tear more likely to hit enemies.
 * Mom's Eye tears follow the direction in which you're shooting.

Interactions

 * //: No effect on the tears fired out of the back of Isaac's head. The chance to activate is checked per shot, not for each tear fired.
 * : Occasionally shoots a bomb backward. Not recommended, as self-damage is likely.
 * /: Chance for two airstrikes on opposite sides of Isaac.
 * : Occasionally shoots an explosive shot backward. Not recommended, as self-damage is likely.
 * : No effect.
 * : Adds a chance for tear barrage to fire from the front and back of Isaac. The kidney stone will only fire from the front of Isaac.
 * : Adds a chance for tear barrage to be fired behind Isaac.
 * : Adds a chance for tears to be fired in random directions from the main tear.
 * : Occasionally fires one red tear out the back of Isaac's head.
 * : The backward tear is not affected by Tractor Beam.
 * : The backward tear is not affected by The Wiz.

Trivia

 * Mom's Eye's appearance was changed in Booster Pack.
 * The item is based on the adage that a mother has an eye on the back of her head, and is thus always able to see what her child is up to.

Seeds
Q0LW DC34 (First floor Treasure Room) 3HZ1 TYSZ (Treasure Room left of spawn) GE3B 7NPB (Treasure Room adjacent to spawn)