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[[quoteright:250:[[Manga/{{Nichijou}} http://static.tvtropes.org/pmwiki/pub/images/quivering_eyes_3109.png]]]]

During times of emotional stress, a character's eyes, or just the reflected highlights in them, will shake perceptibly. The aim is usually to show someone on the verge of tears; as in, their eyes are pricking, or tears are welling, or something difficult to show otherwise. This is not usually a comedy trope, and can in fact mean that things have turned very serious. It may presage a SparklingStreamOfTears if the situation gets worse. It can also indicate extreme happiness or love. When the irises shrink ''and'' shake, it's usually to indicate great shock and/or fear. Pretty hard (but not impossible) to replicate in RealLife. [[SchmuckBait Best not to try, really]].

[[AC:{{Anime}} and {{Manga}}]]
* In ''{{Manga/Berserk}}'', this almost always happens anytime Griffith gives his trademark beast-stare to anyone, or looks them in the eyes at all.
** Also happens a lot to Casca when she's feeling emotional (and that's almost always, as she's generally either raging or sobbing at all times).
* ''{{Manga/Naruto}}'' uses this trope, quite often PlayedForLaughs.
* Happens plenty of times in ''Anime/PrincessTutu'', sometimes ending with the character breaking down.
* God knows how many times this happens in ''Manga/ElfenLied'', considering that nearly every female character has been [[BreakTheCutie broken]] at one point or another.
* Akane Tendo in ''Manga/RanmaOneHalf'', every time Ranma does something that goes beyond their normal bickering and really hurts her feelings.
* Happens to Lelouch of ''Anime/CodeGeass'' when [[spoiler: Suzaku springs on him that Nunally will be the next Governor of Area 11.]]
* All of the girls in ''Anime/CandyBoy'' are prone to this, but Yukino really takes the cake.
* ''Lightnovel/FullMetalPanic'':
** Sousuke does this, most noticeably in ''TSR'', when [[spoiler: Gauron]] tells him that he had Kaname killed.
** Gauron himself does this during the time when he hijacks the Tuatha de Dannan, when he realizes that [[spoiler: Kaname managed to regain control of the submarine]]. And in another instance, he ends up doing this in [[spoiler: ''The Second Raid'', on his death bed, while he's taunting Sousuke and yelling for Sousuke to hate him, in the hopes of Sousuke killing him]].
* In ''Manga/OutlawStar'', Professor Nguyen Khan has some impressively quivery eyes.
* Done regularly in ''[[VideoGame/HarukanaruTokiNoNakaDe Harukanaru Toki no Naka de - Hachiyou Shou]]'', but a specific mention should probably go to the end of episode 22, where this happens to the [[TheStoic normally emotionless]] [[ArtificialHuman Yasuaki]] once he starts to consider himself useless.
* Happens to Faye Valentine in the last episode of ''Anime/CowboyBebop''.
%%* Very often in ''Anime/SailorMoon''.
* ''Anime/HanaukyoMaidTai''. Often occurs with PuppyDogEyes, particularly in the first series.
* This is used in emotional scenes in ''AudioPlay/SaintBeast'', such as Maya throwing a tantrum over Kira wanting to leave heaven and Rey and Luca promising to always fly together.
* Happens in the 2003 version of ''Anime/FullmetalAlchemist'' when Ed [[spoiler:discovers the splattered remains of a [[BodyHorror chimera-fied]] Nina after she was [[MercyKill mercy killed]] by Scar.]]
* In ''Manga/KotouraSan'', [[{{Telepathy}} Haruka]] [[PowerIncontinence Kotoura]] does this every time she is called and/or [[PokeInTheThirdEye thought of as]] "[[YouMonster a monster]]", which is her {{Trigger}}. The second episode even combines this with WideEyesAndShrunkenIrises, DullEyesOfUnhappiness, and TearsOfFear for a truly horrifying effect.
* Happens quite often in ''Anime/ProjectK''- even to the normally cruel Fushimi when he hears about the death of a former clansman.
* In ''Literature/TanteiTeamKZJikenNote'', Aya, being the local NervousWreck, has this nearly OnceAnEpisode. Other members of the cast have them occasionally as well:
** In episode 11, when Aya learns from Uesugi the reason behind the latter's [[OOCIsSeriousBusiness strange behavior during the arc]]: [[spoiler:his eye are so bad that he can't even see text any more. And a moment later, ''both'' the speaker and the listener gets this, as Uesugi mentions any treatment for his condition has at most 40% success rate, and bears the real risk of ''a complete loss of vision''.]]
** In episode 12, as Aya relays the same news from above to Kuroki and Kozuka (with HiddenEyes), the latter two get this as well.

* Frank Langella does this a couple times in the 1979 version of ''Film/{{Dracula|1979}}'' whe he gives more intensive stares to the ladies.

* In the Kadambari of Bana (ca. A.D. 600), "thy twin eyes announce a cause of great joy, for they are dilated, their pupils are tremulous, and they are bathed in tears of joy,..."

* Used by the cuter characters in ''WesternAnimation/MyLittlePonyFriendshipIsMagic''. [[http://www.youtube.com/watch?v=h7PGKcikaGY Observe]].
** [[http://www.youtube.com/watch?v=o-Uc0YMZLTs&feature=related "Aren'tcha gonna stay for brunch...?]]
* [[WesternAnimation/ThePowerpuffGirls Bubbles]] in the episode "Uh-Oh Dynamo"
* ''WesternAnimation/FostersHomeForImaginaryFriends'': One-time character Red, Eduardo, Mac, and Bloo at various times used this.
* Dipstick does this briefly in the ''Disney/OneHundredAndOneDalmatians'' episode "Twelve Angry Pups".
* Vince uses this trope in the ''WesternAnimation/{{Recess}}'' episode "Legend of the Big Kid".
* In ''WesternAnimation/{{Jem}}'', Pizzazz's eyes tremble in fear during the "It Takes A Lot To Survive" music video when [[ItMakesSenseInContext she's stuck in a giant spiders web.]]