Iris of the Eye: Definition, Anatomy & Function – Cleveland Clinic

August 4, 2025

What is the iris? The iris is the colored part of your eye. Muscles in your iris control your pupil — the small, black opening that lets light into your eye.

https://my.clevelandclinic.org/health/body/22502-iris

Iris of the Eye: Definition, Anatomy & Function – Cleveland Clinic <body> <h1> Array ( [0] => uris of the eye: definition, anatomy & function – cleveland clinic [1] => jris of the eye: definition, anatomy & function – cleveland clinic [2] => kris of the eye: definition, anatomy & function – cleveland clinic [3] => oris of the eye: definition, anatomy & function – cleveland clinic [4] => 9ris of the eye: definition, anatomy & function – cleveland clinic [5] => 8ris of the eye: definition, anatomy & function – cleveland clinic [6] => ieis of the eye: definition, anatomy & function – cleveland clinic [7] => idis of the eye: definition, anatomy & function – cleveland clinic [8] => ifis of the eye: definition, anatomy & function – cleveland clinic [9] => itis of the eye: definition, anatomy & function – cleveland clinic [10] => i5is of the eye: definition, anatomy & function – cleveland clinic [11] => i4is of the eye: definition, anatomy & function – cleveland clinic [12] => irus of the eye: definition, anatomy & function – cleveland clinic [13] => irjs of the eye: definition, anatomy & function – cleveland clinic [14] => irks of the eye: definition, anatomy & function – cleveland clinic [15] => iros of the eye: definition, anatomy & function – cleveland clinic [16] => ir9s of the eye: definition, anatomy & function – cleveland clinic [17] => ir8s of the eye: definition, anatomy & function – cleveland clinic [18] => iria of the eye: definition, anatomy & function – cleveland clinic [19] => iriz of the eye: definition, anatomy & function – cleveland clinic [20] => irix of the eye: definition, anatomy & function – cleveland clinic [21] => irid of the eye: definition, anatomy & function – cleveland clinic [22] => irie of the eye: definition, anatomy & function – cleveland clinic [23] => iriw of the eye: definition, anatomy & function – cleveland clinic [24] => iris if the eye: definition, anatomy & function – cleveland clinic [25] => iris kf the eye: definition, anatomy & function – cleveland clinic [26] => iris lf the eye: definition, anatomy & function – cleveland clinic [27] => iris pf the eye: definition, anatomy & function – cleveland clinic [28] => iris 0f the eye: definition, anatomy & function – cleveland clinic [29] => iris 9f the eye: definition, anatomy & function – cleveland clinic [30] => iris od the eye: definition, anatomy & function – cleveland clinic [31] => iris oc the eye: definition, anatomy & function – cleveland clinic [32] => iris ov the eye: definition, anatomy & function – cleveland clinic [33] => iris og the eye: definition, anatomy & function – cleveland clinic [34] => iris ot the eye: definition, anatomy & function – cleveland clinic [35] => iris or the eye: definition, anatomy & function – cleveland clinic [36] => iris of rhe eye: definition, anatomy & function – cleveland clinic [37] => iris of fhe eye: definition, anatomy & function – cleveland clinic [38] => iris of ghe eye: definition, anatomy & function – cleveland clinic [39] => iris of yhe eye: definition, anatomy & function – cleveland clinic [40] => iris of 6he eye: definition, anatomy & function – cleveland clinic [41] => iris of 5he eye: definition, anatomy & function – cleveland clinic [42] => iris of tge eye: definition, anatomy & function – cleveland clinic [43] => iris of tbe eye: definition, anatomy & function – cleveland clinic [44] => iris of tne eye: definition, anatomy & function – cleveland clinic [45] => iris of tje eye: definition, anatomy & function – cleveland clinic [46] => iris of tue eye: definition, anatomy & function – cleveland clinic [47] => iris of tye eye: definition, anatomy & function – cleveland clinic [48] => iris of thw eye: definition, anatomy & function – cleveland clinic [49] => iris of ths eye: definition, anatomy & function – cleveland clinic [50] => iris of thd eye: definition, anatomy & function – cleveland clinic [51] => iris of thr eye: definition, anatomy & function – cleveland clinic [52] => iris of th4 eye: definition, anatomy & function – cleveland clinic [53] => iris of th3 eye: definition, anatomy & function – cleveland clinic [54] => iris of the wye: definition, anatomy & function – cleveland clinic [55] => iris of the sye: definition, anatomy & function – cleveland clinic [56] => iris of the dye: definition, anatomy & function – cleveland clinic [57] => iris of the rye: definition, anatomy & function – cleveland clinic [58] => iris of the 4ye: definition, anatomy & function – cleveland clinic [59] => iris of the 3ye: definition, anatomy & function – cleveland clinic [60] => iris of the ete: definition, anatomy & function – cleveland clinic [61] => iris of the ege: definition, anatomy & function – cleveland clinic [62] => iris of the ehe: definition, anatomy & function – cleveland clinic [63] => iris of the eue: definition, anatomy & function – cleveland clinic [64] => iris of the e7e: definition, anatomy & function – cleveland clinic [65] => iris of the e6e: definition, anatomy & function – cleveland clinic [66] => iris of the eyw: definition, anatomy & function – cleveland clinic [67] => iris of the eys: definition, anatomy & function – cleveland clinic [68] => iris of the eyd: definition, anatomy & function – cleveland clinic [69] => iris of the eyr: definition, anatomy & function – cleveland clinic [70] => iris of the ey4: definition, anatomy & function – cleveland clinic [71] => iris of the ey3: definition, anatomy & function – cleveland clinic [72] => iris of the eye: sefinition, anatomy & function – cleveland clinic [73] => iris of the eye: xefinition, anatomy & function – cleveland clinic [74] => iris of the eye: cefinition, anatomy & function – cleveland clinic [75] => iris of the eye: fefinition, anatomy & function – cleveland clinic [76] => iris of the eye: refinition, anatomy & function – cleveland clinic [77] => iris of the eye: eefinition, anatomy & function – cleveland clinic [78] => iris of the eye: dwfinition, anatomy & function – cleveland clinic [79] => iris of the eye: dsfinition, anatomy & function – cleveland clinic [80] => iris of the eye: ddfinition, anatomy & function – cleveland clinic [81] => iris of the eye: drfinition, anatomy & function – cleveland clinic [82] => iris of the eye: d4finition, anatomy & function – cleveland clinic [83] => iris of the eye: d3finition, anatomy & function – cleveland clinic [84] => iris of the eye: dedinition, anatomy & function – cleveland clinic [85] => iris of the eye: decinition, anatomy & function – cleveland clinic [86] => iris of the eye: devinition, anatomy & function – cleveland clinic [87] => iris of the eye: deginition, anatomy & function – cleveland clinic [88] => iris of the eye: detinition, anatomy & function – cleveland clinic [89] => iris of the eye: derinition, anatomy & function – cleveland clinic [90] => iris of the eye: defunition, anatomy & function – cleveland clinic [91] => iris of the eye: defjnition, anatomy & function – cleveland clinic [92] => iris of the eye: defknition, anatomy & function – cleveland clinic [93] => iris of the eye: defonition, anatomy & function – cleveland clinic [94] => iris of the eye: def9nition, anatomy & function – cleveland clinic [95] => iris of the eye: def8nition, anatomy & function – cleveland clinic [96] => iris of the eye: defibition, anatomy & function – cleveland clinic [97] => iris of the eye: defimition, anatomy & function – cleveland clinic [98] => iris of the eye: defijition, anatomy & function – cleveland clinic [99] => iris of the eye: defihition, anatomy & function – cleveland clinic [100] => iris of the eye: definution, anatomy & function – cleveland clinic [101] => iris of the eye: definjtion, anatomy & function – cleveland clinic [102] => iris of the eye: definktion, anatomy & function – cleveland clinic [103] => iris of the eye: definotion, anatomy & function – cleveland clinic [104] => iris of the eye: defin9tion, anatomy & function – cleveland clinic [105] => iris of the eye: defin8tion, anatomy & function – cleveland clinic [106] => iris of the eye: definirion, anatomy & function – cleveland clinic [107] => iris of the eye: definifion, anatomy & function – cleveland clinic [108] => iris of the eye: definigion, anatomy & function – cleveland clinic [109] => iris of the eye: definiyion, anatomy & function – cleveland clinic [110] => iris of the eye: defini6ion, anatomy & function – cleveland clinic [111] => iris of the eye: defini5ion, anatomy & function – cleveland clinic [112] => iris of the eye: definituon, anatomy & function – cleveland clinic [113] => iris of the eye: definitjon, anatomy & function – cleveland clinic [114] => iris of the eye: definitkon, anatomy & function – cleveland clinic [115] => iris of the eye: definitoon, anatomy & function – cleveland clinic [116] => iris of the eye: definit9on, anatomy & function – cleveland clinic [117] => iris of the eye: definit8on, anatomy & function – cleveland clinic [118] => iris of the eye: definitiin, anatomy & function – cleveland clinic [119] => iris of the eye: definitikn, anatomy & function – cleveland clinic [120] => iris of the eye: definitiln, anatomy & function – cleveland clinic [121] => iris of the eye: definitipn, anatomy & function – cleveland clinic [122] => iris of the eye: definiti0n, anatomy & function – cleveland clinic [123] => iris of the eye: definiti9n, anatomy & function – cleveland clinic [124] => iris of the eye: definitiob, anatomy & function – cleveland clinic [125] => iris of the eye: definitiom, anatomy & function – cleveland clinic [126] => iris of the eye: definitioj, anatomy & function – cleveland clinic [127] => iris of the eye: definitioh, anatomy & function – cleveland clinic [128] => iris of the eye: definitionm anatomy & function – cleveland clinic [129] => iris of the eye: definitionk anatomy & function – cleveland clinic [130] => iris of the eye: definitionl anatomy & function – cleveland clinic [131] => iris of the eye: definition. anatomy & function – cleveland clinic [132] => iris of the eye: definition anatomy & function – cleveland clinic [133] => iris of the eye: definition, znatomy & function – cleveland clinic [134] => iris of the eye: definition, snatomy & function – cleveland clinic [135] => iris of the eye: definition, wnatomy & function – cleveland clinic [136] => iris of the eye: definition, qnatomy & function – cleveland clinic [137] => iris of the eye: definition, abatomy & function – cleveland clinic [138] => iris of the eye: definition, amatomy & function – cleveland clinic [139] => iris of the eye: definition, ajatomy & function – cleveland clinic [140] => iris of the eye: definition, ahatomy & function – cleveland clinic [141] => iris of the eye: definition, anztomy & function – cleveland clinic [142] => iris of the eye: definition, anstomy & function – cleveland clinic [143] => iris of the eye: definition, anwtomy & function – cleveland clinic [144] => iris of the eye: definition, anqtomy & function – cleveland clinic [145] => iris of the eye: definition, anaromy & function – cleveland clinic [146] => iris of the eye: definition, anafomy & function – cleveland clinic [147] => iris of the eye: definition, anagomy & function – cleveland clinic [148] => iris of the eye: definition, anayomy & function – cleveland clinic [149] => iris of the eye: definition, ana6omy & function – cleveland clinic [150] => iris of the eye: definition, ana5omy & function – cleveland clinic [151] => iris of the eye: definition, anatimy & function – cleveland clinic [152] => iris of the eye: definition, anatkmy & function – cleveland clinic [153] => iris of the eye: definition, anatlmy & function – cleveland clinic [154] => iris of the eye: definition, anatpmy & function – cleveland clinic [155] => iris of the eye: definition, anat0my & function – cleveland clinic [156] => iris of the eye: definition, anat9my & function – cleveland clinic [157] => iris of the eye: definition, anatony & function – cleveland clinic [158] => iris of the eye: definition, anatoky & function – cleveland clinic [159] => iris of the eye: definition, anatojy & function – cleveland clinic [160] => iris of the eye: definition, anatomt & function – cleveland clinic [161] => iris of the eye: definition, anatomg & function – cleveland clinic [162] => iris of the eye: definition, anatomh & function – cleveland clinic [163] => iris of the eye: definition, anatomu & function – cleveland clinic [164] => iris of the eye: definition, anatom7 & function – cleveland clinic [165] => iris of the eye: definition, anatom6 & function – cleveland clinic [166] => iris of the eye: definition, anatomy &zmp; function – cleveland clinic [167] => iris of the eye: definition, anatomy &smp; function – cleveland clinic [168] => iris of the eye: definition, anatomy &wmp; function – cleveland clinic [169] => iris of the eye: definition, anatomy &qmp; function – cleveland clinic [170] => iris of the eye: definition, anatomy &anp; function – cleveland clinic [171] => iris of the eye: definition, anatomy &akp; function – cleveland clinic [172] => iris of the eye: definition, anatomy &ajp; function – cleveland clinic [173] => iris of the eye: definition, anatomy &amo; function – cleveland clinic [174] => iris of the eye: definition, anatomy &aml; function – cleveland clinic [175] => iris of the eye: definition, anatomy &am-; function – cleveland clinic [176] => iris of the eye: definition, anatomy &am0; function – cleveland clinic [177] => iris of the eye: definition, anatomy & dunction – cleveland clinic [178] => iris of the eye: definition, anatomy & cunction – cleveland clinic [179] => iris of the eye: definition, anatomy & vunction – cleveland clinic [180] => iris of the eye: definition, anatomy & gunction – cleveland clinic [181] => iris of the eye: definition, anatomy & tunction – cleveland clinic [182] => iris of the eye: definition, anatomy & runction – cleveland clinic [183] => iris of the eye: definition, anatomy & fynction – cleveland clinic [184] => iris of the eye: definition, anatomy & fhnction – cleveland clinic [185] => iris of the eye: definition, anatomy & fjnction – cleveland clinic [186] => iris of the eye: definition, anatomy & finction – cleveland clinic [187] => iris of the eye: definition, anatomy & f8nction – cleveland clinic [188] => iris of the eye: definition, anatomy & f7nction – cleveland clinic [189] => iris of the eye: definition, anatomy & fubction – cleveland clinic [190] => iris of the eye: definition, anatomy & fumction – cleveland clinic [191] => iris of the eye: definition, anatomy & fujction – cleveland clinic [192] => iris of the eye: definition, anatomy & fuhction – cleveland clinic [193] => iris of the eye: definition, anatomy & funxtion – cleveland clinic [194] => iris of the eye: definition, anatomy & funvtion – cleveland clinic [195] => iris of the eye: definition, anatomy & funftion – cleveland clinic [196] => iris of the eye: definition, anatomy & fundtion – cleveland clinic [197] => iris of the eye: definition, anatomy & funcrion – cleveland clinic [198] => iris of the eye: definition, anatomy & funcfion – cleveland clinic [199] => iris of the eye: definition, anatomy & funcgion – cleveland clinic [200] => iris of the eye: definition, anatomy & funcyion – cleveland clinic [201] => iris of the eye: definition, anatomy & func6ion – cleveland clinic [202] => iris of the eye: definition, anatomy & func5ion – cleveland clinic [203] => iris of the eye: definition, anatomy & functuon – cleveland clinic [204] => iris of the eye: definition, anatomy & functjon – cleveland clinic [205] => iris of the eye: definition, anatomy & functkon – cleveland clinic [206] => iris of the eye: definition, anatomy & functoon – cleveland clinic [207] => iris of the eye: definition, anatomy & funct9on – cleveland clinic [208] => iris of the eye: definition, anatomy & funct8on – cleveland clinic [209] => iris of the eye: definition, anatomy & functiin – cleveland clinic [210] => iris of the eye: definition, anatomy & functikn – cleveland clinic [211] => iris of the eye: definition, anatomy & functiln – cleveland clinic [212] => iris of the eye: definition, anatomy & functipn – cleveland clinic [213] => iris of the eye: definition, anatomy & functi0n – cleveland clinic [214] => iris of the eye: definition, anatomy & functi9n – cleveland clinic [215] => iris of the eye: definition, anatomy & functiob – cleveland clinic [216] => iris of the eye: definition, anatomy & functiom – cleveland clinic [217] => iris of the eye: definition, anatomy & functioj – cleveland clinic [218] => iris of the eye: definition, anatomy & functioh – cleveland clinic [219] => iris of the eye: definition, anatomy & function ᰫ cleveland clinic [220] => iris of the eye: definition, anatomy & function &#u211; cleveland clinic [221] => iris of the eye: definition, anatomy & function &#i211; cleveland clinic [222] => iris of the eye: definition, anatomy & function ⏻ cleveland clinic [223] => iris of the eye: definition, anatomy & function ᾯ cleveland clinic [224] => iris of the eye: definition, anatomy & function &#8q11; cleveland clinic [225] => iris of the eye: definition, anatomy & function &#8w11; cleveland clinic [226] => iris of the eye: definition, anatomy & function ⁷ cleveland clinic [227] => iris of the eye: definition, anatomy & function ” cleveland clinic [228] => iris of the eye: definition, anatomy & function &#82q1; cleveland clinic [229] => iris of the eye: definition, anatomy & function — cleveland clinic [230] => iris of the eye: definition, anatomy & function &#821q; cleveland clinic [231] => iris of the eye: definition, anatomy & function – xleveland clinic [232] => iris of the eye: definition, anatomy & function – vleveland clinic [233] => iris of the eye: definition, anatomy & function – fleveland clinic [234] => iris of the eye: definition, anatomy & function – dleveland clinic [235] => iris of the eye: definition, anatomy & function – ckeveland clinic [236] => iris of the eye: definition, anatomy & function – cpeveland clinic [237] => iris of the eye: definition, anatomy & function – coeveland clinic [238] => iris of the eye: definition, anatomy & function – clwveland clinic [239] => iris of the eye: definition, anatomy & function – clsveland clinic [240] => iris of the eye: definition, anatomy & function – cldveland clinic [241] => iris of the eye: definition, anatomy & function – clrveland clinic [242] => iris of the eye: definition, anatomy & function – cl4veland clinic [243] => iris of the eye: definition, anatomy & function – cl3veland clinic [244] => iris of the eye: definition, anatomy & function – cleceland clinic [245] => iris of the eye: definition, anatomy & function – clebeland clinic [246] => iris of the eye: definition, anatomy & function – clegeland clinic [247] => iris of the eye: definition, anatomy & function – clefeland clinic [248] => iris of the eye: definition, anatomy & function – clevwland clinic [249] => iris of the eye: definition, anatomy & function – clevsland clinic [250] => iris of the eye: definition, anatomy & function – clevdland clinic [251] => iris of the eye: definition, anatomy & function – clevrland clinic [252] => iris of the eye: definition, anatomy & function – clev4land clinic [253] => iris of the eye: definition, anatomy & function – clev3land clinic [254] => iris of the eye: definition, anatomy & function – clevekand clinic [255] => iris of the eye: definition, anatomy & function – clevepand clinic [256] => iris of the eye: definition, anatomy & function – cleveoand clinic [257] => iris of the eye: definition, anatomy & function – clevelznd clinic [258] => iris of the eye: definition, anatomy & function – clevelsnd clinic [259] => iris of the eye: definition, anatomy & function – clevelwnd clinic [260] => iris of the eye: definition, anatomy & function – clevelqnd clinic [261] => iris of the eye: definition, anatomy & function – clevelabd clinic [262] => iris of the eye: definition, anatomy & function – clevelamd clinic [263] => iris of the eye: definition, anatomy & function – clevelajd clinic [264] => iris of the eye: definition, anatomy & function – clevelahd clinic [265] => iris of the eye: definition, anatomy & function – clevelans clinic [266] => iris of the eye: definition, anatomy & function – clevelanx clinic [267] => iris of the eye: definition, anatomy & function – clevelanc clinic [268] => iris of the eye: definition, anatomy & function – clevelanf clinic [269] => iris of the eye: definition, anatomy & function – clevelanr clinic [270] => iris of the eye: definition, anatomy & function – clevelane clinic [271] => iris of the eye: definition, anatomy & function – cleveland xlinic [272] => iris of the eye: definition, anatomy & function – cleveland vlinic [273] => iris of the eye: definition, anatomy & function – cleveland flinic [274] => iris of the eye: definition, anatomy & function – cleveland dlinic [275] => iris of the eye: definition, anatomy & function – cleveland ckinic [276] => iris of the eye: definition, anatomy & function – cleveland cpinic [277] => iris of the eye: definition, anatomy & function – cleveland coinic [278] => iris of the eye: definition, anatomy & function – cleveland clunic [279] => iris of the eye: definition, anatomy & function – cleveland cljnic [280] => iris of the eye: definition, anatomy & function – cleveland clknic [281] => iris of the eye: definition, anatomy & function – cleveland clonic [282] => iris of the eye: definition, anatomy & function – cleveland cl9nic [283] => iris of the eye: definition, anatomy & function – cleveland cl8nic [284] => iris of the eye: definition, anatomy & function – cleveland clibic [285] => iris of the eye: definition, anatomy & function – cleveland climic [286] => iris of the eye: definition, anatomy & function – cleveland clijic [287] => iris of the eye: definition, anatomy & function – cleveland clihic [288] => iris of the eye: definition, anatomy & function – cleveland clinuc [289] => iris of the eye: definition, anatomy & function – cleveland clinjc [290] => iris of the eye: definition, anatomy & function – cleveland clinkc [291] => iris of the eye: definition, anatomy & function – cleveland clinoc [292] => iris of the eye: definition, anatomy & function – cleveland clin9c [293] => iris of the eye: definition, anatomy & function – cleveland clin8c [294] => iris of the eye: definition, anatomy & function – cleveland clinix [295] => iris of the eye: definition, anatomy & function – cleveland cliniv [296] => iris of the eye: definition, anatomy & function – cleveland clinif [297] => iris of the eye: definition, anatomy & function – cleveland clinid ) </h1> </body>