[[TheyLive http://tvtropes.org/pmwiki/pub/images/theylive08.jpg]]
[[caption-width:344:Boil down a newspaper and that is what you will get.]]
-->"Put the glasses on! ''PUT 'EM ON!''"\\
-- '''Roddy Piper''', ''TheyLive!''

The world is the way it is. Or so [[AncientConspiracy they]] would have you believe. But there is something more, something underneath the thin skin of this world, something which can't be normally seen by human eyes. How can you see it then? Why, with special glasses, of course.

These can come in a variety of forms: regular sunglasses, x-ray specs ordered from the back of a comic book, hagstones, or even special amulets. You can see ByTheEyesOfTheBlind, those InvisibleToNormals, you can even see the {{Masquerade}}. You've broken the WeirdnessCensor on your eyes.

Now, the only question is: Is this a good thing?

Despite what the title may imply, this has nothing to do with {{X-Ray Vision}}. Compare with the GogglesDoSomethingUnusual.

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!!Examples

[[folder:Anime & Manga]]
* ''{{Tsukihime}}'' reverses this with it's main character wearing special glasses that ''hide'' the "lines of death" [[CursedWithAwesome which he is otherwise forced to see]].
* ''CowboyBebop'' has HUD glasses that let you see if someone has a bounty on his head.
* ''FrankenFran'' took this trope and applied it to a pair of eyes that the title character created and implanted in a painter. The eyes allowed him to see light and color spectra that normal humans couldn't see. Unfortunately, this caused him to see all sorts of EldritchAbomination that are usually invisible to humans.
** [[spoiler:He ends up falling in love with one of them.]] It is not insignificant to note that this is one of the ''happier'' endings in the series.
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[[folder:Films]]
* The movie ''They Live'' is built around this trope: the main character played by Roddy Piper finds a box of sunglasses and when he puts one on, he can see the hidden aliens among them, as well as signs saying "Consume," "Marry and Reproduce," and money printed with "This is your God" on it.
* On the pseudo-scientific side, ecto-goggles allowed the {{Ghostbusters}} to detect invisible ghosts and other psycho-kinetic anomalies visually. They turn up in the film, the sequel, and much of the spinoff media. [[http://www.freewebs.com/gbta/weapons&playsets/goggles.jpg There was even a toy.]]
* In ''{{Hellboy}} 2: The Golden Army'', Johan Strauss obtains eyewear that enables the BPRD team to see through magical beings' [[GlamourFailure glamour]].
** Including that of Hellboy himself. Even though he isn't really using glamour, as he physically ripped his horns off and filed them down.
* The original movie ''Thirteen Ghosts'' in 1960 used special glasses to see the ghosts. Ditto for the remake, ''Thir13en Ghosts'', in 2001.
* ''For Your Height Only'' (1981), the Filipino ''JamesBond'' spoof, has the dwarf secret agent hero equipped with see-through glasses that he uses to check out some secretaries naked and see a couple of villains (also shown naked) hiding behind the curtains.
* ''X! The Man With X-Ray Eyes'' starts out as a straight-up case of XRayVision but the protagonist's eyesight eventually starts to see ''something'' that can't be attributed simply to that.
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[[folder:Folklore]]
* [[http://en.wikipedia.org/wiki/Hagstone Hagstones]], also called "serpent's eggs" and "witch stones," were said to protect against the evil eye and prevent nightmares and cure whooping cough.
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[[folder:Literature]]
* In ''TheSpiderwickChronicles'', the main human characters have to look through a hole in a stone (also called a hagstone or adder stone, in the books, a "seeing stone") to see the fairy creatures when they don't want to be seen.
* In Piers Anthony's ''{{Incarnations of Immortality}}'' novel ''With a Tangled Skein'', there is a pair of glasses that allows the wearer to actually see the wages of sin people are piling on themselves in [[strike:Purgatory]] Hell. {{Satan}} was trying to get people into Hell on the installment plan: for each level, you had to sacrifice 1% of your good. (There are hundreds of levels.) These looked tempting to live people and Incarnations without the glasses; with them, not so much.
* The hole-in-a-stone variation also appears in Neil Gaiman's ''{{Coraline}}'', where the heroine used one to find the souls of the other children.
* William Sleator's ''The Boy Who Reversed Himself'' had a set of glasses created by four-dimensional creatures that allowed you to see around clothes (and everything else) by giving you 4D vision, somehow.
* Vivian Vande Velde's ''Now You See It...''
* In the book ''Alcatraz Versus the Evil Librarians'', Oculators can use special glasses to detect, among other things, footprints, powerful magic items, and other Oculators.
* In the Robert Sheckley short story ''Is '''That''' What People Do?'', a man ends up with a pair of half-functional binoculars which let him peep in a series of bizarre scenes which may or may not be happening. In the end [[spoiler: he looks in the other end of the binoculars, and sees a pair of enormous eyes, one of which winks at him.]]
* The Stephen King short story ''The Ten O'Clock People'' has the WeirdnessCensor become broken by, of all things, moderate smoking. For some reason the chemicals in cigarettes let people see thru the monsters' disguises, but only if you ingest them at a rate somewhere between "smoke occasionally" and "chain smoking."
* In ''ThePhantomTollbooth'' Milo is given a magical spyglass that allows him to see things as they really are.
* Rather than actual glasses, witches in the {{Discworld}} can enter Faerie by "opening their eyes, and then opening them again."
** Also, the Tiffany Aching books have a stone-with-a-hole-in-it.
* The Robert Bloch short story ''The Cheaters'' features glasses that let you read people's minds. Being a Robert Bloch story, it doesn't end well.
* Larkin's scope in ''[[GauntsGhosts Gaunt's Ghosts]]'' explicitly functions this way on at least one occasion (seeing through a psychic illusion caused by some Eldar) and in a less literal sense in general - Larkin is somewhat unhinged, and it's mentioned that he sees things clearly only when he's looking through his scope.
* Hans Christian Andersen's story ''The Snow Queen'' involves a mirror that reflects only bad things. It does technically reveal things about people that are hidden but more importantly it hides the whole truth.
* In ''TheBartimaeusTrilogy'', magicians possess magical glasses which allow them to see into the second and third planes. Djinn and other magical creatures can be invisible/disguised in this plane, and the glasses enable a human to see them in a true(r) form.
**Some of the citizens rules by magicians develop the ability to [[spoiler: see the djinnis in a similar manner without such contacts, or see the aura of magical creatures]], which becomes a rather important plot point.
[[/folder]]

[[folder:Live Action TV]]
* In ''DoctorWho'' episodes "Army of Ghosts"/"Doomsday," the Doctor wears a pair of 3-D glasses designed to see the residual void stuff.
* The ''AreYouAfraidOfTheDark'' episode "Tale of the Super Specs," partially inspired by ''They Live''.
* The gozarian glasses in ''TheMiddleman'' allow people to see (but not hear) ghosts.
* One episode of ''{{Reaper}}'' has Sam get a pair of glasses which will supposedly allow him to see the true forms of demons. This effect has not been shown, though.
* In the ''StarTrekVoyager'' episode "Scientific Method", the Doctor figures out there are invisible aliens on the ship and modifies Seven's Borg eye implant to detect them. When she opens her eyes again, she can see the aliens -- ''everywhere''. And they're doing [[NightmareFuel horrible things]] to the crew...
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[[folder:Mythology]]
* Myths of TheFairFolk sometimes feature magical ointments which, rubbed on one's eyelids, allow one to see the faerie. One common scenario is when a man accidentally splashes some of this substance on one of his eyes, then is deprived of it -- the eye, not the ointment -- by an irate fey who dislikes being observed.
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[[folder:Tabletop Games]]
* ''[[DungeonsAndDragons Dungeons & Dragons]]'' has a spell called ''True Seeing'' which allows you to see through any illusions or glamors placed on an object. In theory, it is possible to enchant any object with ''True Seeing'', including glasses, other clothing items, and even light sources (sort of like an anti-illusion field).
* The ''{{Call of Cthulhu}}'' adventure "The Fungi From Yuggoth". It has a pair of spectacles that allowed the wearer to see into another dimension (with the usual impossible angles and bizarre perspectives). Each time you uses them, there is a chance you could see a monster that could attack and kill you if you didn't take them off in time.
** Which is basically a man-portable version of the Tillinghast Resonator from HPLovecraft's story "FromBeyond".
* ''{{GURPS}}'': Artifacts has "The Mask of Maaukepu". If you look at someone while wearing it there's a small chance you'll see the worst thing that person has ever done.
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[[folder:Video Games]]
* In ''MegaManStarForce'', Geo Stelar has the Visualizer, a pair of glasses that lets him see the wave world
* The Lens of Truth in ''TheLegendOfZelda: Ocarina of Time'' is purported to see through illusions ([[GameplayAndStorySegregation or really just to reveal hidden shit]]).
* This is one of the mechanics in the Nintendo game ''Bart vs. the Space Mutants'' - you get a pair of X-ray specs, and when you use them you can see which people are possessed by the space mutants.
* The Silph Scope in the first ''[=~Pokémon~=]'' games. It allowed to see the real form of wild ghost Pokemon.
** The games set in Hoenn have the Devon Scope, which allows the player to see invisible Pokemon. Though it only needs to be used once to progress, there are several other hidden Pokemon in the routes near Fortree and Lilycove.
** In the ''Mystery Dungeon'' spinoffs, Goggle Specs play a similar role to the Devon Scope, plus the ability to see traps.
** An eyepiece known as the Aura Reader exists in ''XD''; it allows the wearer to sense the dark aura of a Shadow Pokemon. It also serves as the restraining bolt, locking the Snag Machine's function as long as a Shadow Pokemon is not on the field.
* Much gameplay in ''SplinterCell'' revolves around using your military-grade goggles at opportune points. Night vision is easily explained away—otherwise you'd be playing a black screen half the time. But Thermal vision that lets you see landmines? "Electromagnetic" vision that conveniently reveals only equipment that you can interact with?
* The premise of ''Game/{{Flashback}}'' is that you created special glasses that allowed you to see the density of objects. As you walked around with them on, you noticed that [[AlienAmongUs some people]] were [[ShapeshifterBaggage much heavier than they should be]]...
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[[folder:Web Comics]]
* The first storyline of webcomic ''Veena'' has the title character find shades that let her [[ISeeDeadPeople see ghosts]].
[[/folder]]

[[folder:Western Animation]]
* ''{{The Life and Times of Juniper Lee}}'' uses a magical amulet instead of glasses, but the effect remains the same.
* The opening of ''MenInBlack: The Animated Series'' shows a special visor that lets you see if someone is an alien in disguise.
* In the episode "Germs", InvaderZim bought a pair of goggles that allowed him to see the (normally invisibly tiny) [[NightmareFuel teeming masses of bacteria covering everything and everyone]]. They even came in a [[HardLight holographic trial version]].
* In one episode of ''The 13 Ghosts of ScoobyDoo'', hiding out in an abandoned funhouse allowed Shaggy and Scooby to see what the carnival was really like.
[[/folder]]

[[folder:Real Life]]
* You can buy glasses that are a sort of prism. They reveal the actual colors given off by lights.
[[/folder]]

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