Binding of Isaac: Rebirth Wiki
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20/20 is a passive item.

Effect[ | ]

  • Isaac fires two tears at once, one from each eye.
  • (in Repentance) 0.8x damage multiplier.

Notes[ | ]

Synergies[ | ]

  • Collectible Blood Clot iconBlood Clot / Collectible Chemical Peel iconChemical Peel: Every second row of tears has increased damage.
  • (except in Rebirth)Collectible Brimstone iconBrimstone: Two Brimstone shots are fired, without an increase in charge time.
  • (in Afterbirth and Afterbirth †)Collectible Diplopia iconDiplopia: Every additional 20/20 adds 2 more tears in a tight pattern.
    • (in Repentance) Adds one more tear without further lowering damage.
  • (except in Rebirth)Collectible Doctor's Remote iconDoctor's Remote / Collectible Epic Fetus iconEpic Fetus: Replaces the single missile strike with a barrage of two consecutive missiles.
  • (in Afterbirth and Afterbirth †)Collectible The Inner Eye iconThe Inner Eye / Collectible Mutant Spider iconMutant Spider: Adds two/three tears to each shot, with no extra fire rate decrease.
    • (in Repentance) Removes the fire rate penalty while reducing damage to 80%. Additional copies will add one additional tear with no further change to damage/fire rate.
  • (in Afterbirth and Afterbirth †) Character Keeper iconKeeper: Fires 5 tears with no fire rate decrease.
    • (in Repentance) Decreases tears' spread. Reduces damage dealt to 80%, but makes his base tear stat equal 2.73. This is a damage per second increase if tear rate before picking up was less than 3.75; otherwise this is a damage per second decrease. This is the same for Character Tainted Keeper iconTainted Keeper.
  • Collectible The Ludovico Technique iconThe Ludovico Technique: The Ludovico tear gains one smaller tear orbiting the main one, each dealing the same amount of damage.
  • (except in Rebirth)Collectible Monstro's Lung iconMonstro's Lung: Adds two tears to the tear barrage, for a total of 16.
  • (in Repentance)Collectible Polyphemus iconPolyphemus: Grants additional +5 flat damage and removes the fire rate penalty, firing 2 tears per shot.
  • (in Afterbirth † and Repentance)Collectible Sprinkler iconSprinkler: Fires two tears at once that almost completely overlap each other.
  • (except in Rebirth)Collectible Technology iconTechnology: Fires two technology shots simultaneously.
  • (except in Rebirth)Collectible Tractor Beam iconTractor Beam: Both tears are fired along the beam. Only one tear can be seen, as they overlap each other.
  • (except in Rebirth)Collectible The Wiz iconThe Wiz: Two tears are fired in each direction.

Interactions[ | ]

In-game Footage[ | ]

Trivia[ | ]

  • 20/20 is an idiom that refers to someone with near-perfect vision.
  • Despite only having one eye, Character Cain iconCain shoots two tears at once with this item.
  • This item is used in (in Repentance) Seeing Double (challenge #40).


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