Ban sha'awa abubuwa game da mutum ido da kuma hangen nesa

Shi ne tare da taimakon wani mutum tsinkayen mafi daga cikin bayanai daga waje duniya, don haka da cewa duk da hujjojin da suka kewaye ta da idanu, ban sha'awa mutum. Yau akwai wata babbar lambar.

A tsarin da ido

Ban sha'awa abubuwa game da ido ta fara da cewa mutum ne kawai dabba a duniya, da ciwon fata na idanu. Sauran ciki daga ido mai cike da sandunansu, kuma suka Cones, kazalika da wasu dabbobi. Wadannan Kwayoyin suna samu a cikin ido a cikin adadin miliyoyin da suke photosensitive. A Cones amsa canza lighting da kuma launi fiye da sandunansu.

All manya eyeball size ne kusan m, kuma shi ne 24 mm a diamita, yayin da diamita na wani jariri ne apple na 18 mm da kuma nauyi ne kusan sau uku kasa.

Yana da ban sha'awa cewa, wani lokacin da wani mutum zai iya gani a gaban idanun da dama floaters, wanda su ne ainihin gina jiki strands.

Cornea rufe ta gaba a bayyane surface, kuma shi ne kawai bangare na jikin mutum, wanda ba a kawota tare da oxygen daga jini.

Ido ruwan tabarau cewa samar da tsabta da hangen nesa, kullum mayar da hankali a kan muhalli a wani kudi na 50 abubuwa da na biyu. Ƙaura idanu da kawai 6 na ido tsokoki, wanda su ne mafi yawan aiki a cikin jiki.

Ban sha'awa abubuwa game da idanu sun hada da bayanai game da abin da ya yi atishawa da idanunku bude shi yiwuwa. Masana kimiyya siffantãwa wannan zuwa biyu shiriritar - a reflex ƙanƙancewa na tsokoki na fuska da ido kariya da ingress na kwayoyin cuta daga hanci mucosa.

kwakwalwa hangen nesa

Ban sha'awa abubuwa game da hangen nesa da kuma idanun sau da yawa da bayanan cewa shi ne ainihin wani mutumin da yake ganin da kwakwalwa, ba da ido. Wannan tabbatarwa da aka kimiyance kafa a 1897, mai gaskatãwa ga abin da mutum ido tsinkayen muhalli bayanai juye. Wucewa ta cikin na gani jijiya da cibiyar da juyayi tsarin, hoton da aka juyawa a cikin saba matsayi ne a cikin cerebral bawo.

Kadarorin Iris

Sun hada da cewa da Iris na kowane mutum yana da 256 rarrabe halaye, yayin da yatsansa bambanta kawai arba'in. Yiwuwar gano wani mutum da guda Iris ne kusan sifili.

take hakkin launi

Mafi sau da yawa, wannan Pathology bayyana a matsayin launi makanta. Yana da ban sha'awa cewa a haihuwa dukkan yara ne launi-makafi, amma tare da shekaru da fahimta da launuka a cikin mafi bounces. Mafi sau da yawa fama da cuta da mutumin wanda ba zai iya ganin wasu launuka.

Yadda aka saba, mutum dole ne raba bakwai na asali launuka kuma har zuwa 100 000 tabarau. Ba kamar maza 2% na mata wahala daga wani kwayoyin maye gurbi cewa conversely yana faɗaɗa cikin kewayon su ji launuka zuwa daruruwan miliyoyin tabarau.

Alternative magani

Ganin tsarin da ido, ban sha'awa facts game da shi haifar Iridology. Yana da wani nontraditional Hanyar for diagnosing cututtuka na dukan kwayoyin da nazarin Iris na ido.

duhun ido

Sha'awa, da fashi sa blindfolds, ba domin boye su samu rauni. Sai suka rufe ido daya, don haka ya ya iya sauri daidaita zuwa matalauta lighting a cikin jirgin ta riqe. Alternately, ta amfani da daya ido ga dakuna da rage lighting da kuma wani bene tare da wani haske, da fashi iya yãƙi more yadda ya kamata.

A farko duhu tabarau duka biyu idanu bayyana ba a kare daga tsananin haske, kuma a ɓõye gaban mara izini mutane. Suna amfani da farko kawai Sin bai yi hukunci ba don nuna wasu sirri da motsin zuciyarmu ga a lokacin lokuta.

Blue ko ruwan kasa?

Human Eye launi ƙaddara da adadin taro a jikin melanin pigment.

A Iris ne dake tsakanin cornea da ruwan tabarau na ido da kuma kunshi biyu yadudduka:

• gaban.
• raya.

Medical sharuddan aka bayyana a matsayin mesodermal da ectodermal bi da bi. Yana da yake a cikin gaba Layer, kuma an rarraba da canza launi pigment, tabbatas da launi na mutum idanu. Ban sha'awa abubuwa game da idanu tabbatar da cewa Iris launi samar kawai melanin, ko da abin da launi idanunsa. Shade canje-canje kawai ta canza taro na canza launi al'amarin.

A haihuwa, kusan dukkan yara suna da pigment ne gaba daya ba a nan, saboda haka blue idanu na jarirai. Tare da shekaru, sun canja abin da launi, wanda aka cikakken kafa kawai zuwa shekaru 12.

Ban sha'awa abubuwa game da mutum ido kuma bayar da hujjar cewa launi zai iya bambanta dangane da wani yanayi. Masana kimiyya a halin yanzu shigar irin wannan abu a matsayin hawainiya. Yana da wani ido launi canji tare da wani dogon tsaya a cikin sanyi ko a dogon haske. Wasu mutane bayar da hujjar cewa launi da idanu dogara ba kawai a kan yanayin, amma kuma a kan na sirri yanayi.

The mafi ban sha'awa abubuwa game da tsarin da mutum ido ya ƙunshi data cewa da gaske duk blue-sa ido mutane a duniya. A babban taro na pigment a cikin Iris garwaya da haske haskoki high da kuma low mitoci, inda su gani ba da wani ruwan kasa, ko baki ido launi.

Eye launi dogara a kan Gwargwadon yanki. Saboda haka a arewacin yankunan da aka mamaye mutane tare da blue ido launi. Wajen kudu, akwai babban adadin ruwan kasa-sa ido, da kuma a ekweita, kusan dukan yawan jama'ar yana da baki launi na Iris.

Ina mamaki game da mafarkinsa

Fiye da rabin karni da suka wuce, masanan sun gano wani ban sha'awa Gaskiyar - at haihuwa mu duka nisa-gani. Kawai watanni shida na shekaru cimma al'ada hangen nesa. Ban sha'awa abubuwa game da mutum ido da kuma hangen nesa da kuma tabbatar da cewa a kafa cikakken ido na physiological sigogi da shekaru bakwai.

Vision iya kuma zai shafi sauran yanayin jiki, domin a wuce haddi da kaya a kan ido ne a general gajiya, ciwon kai, gajiya da danniya.

Yana da ban sha'awa cewa ba tabbatar ta hanyar kimiya mahada tsakanin ingancin karas carotene kuma bitamin. A gaskiya, wannan labari an ƙwace daga lokacin yaki, a lokacin da Birtaniya yanke shawarar boye da sabuwar dabara na jirgin sama radar. Sun bayyana m ganewa na maƙiyi jirgin sama kaifi hangen nesa daga cikin matukan jirgin wanda ya ci karas.

To da hannu duba na gani acuity, bukatar duba a dare sama. Idan kusa da tsakiya star na Big Dipper rike (Big Dipper) ne yiwu in ga kananan star, sa'an nan kome ne OK.

daban-daban idanu

Mafi sau da yawa wannan shi ne kwayoyin cuta, kuma yana da wani sakamako a kan sauran kiwon lafiya. Daban-daban ido launi ake kira heterochromia kuma iya zama cikakken ko m. A cikin farko idan, kowane ido ne fentin a wani launi daban-daban, da kuma na biyu wanda Iris ne zuwa kashi biyu sassa daban-daban tare da launuka.

korau dalilai

Fiye da wani abu, da ingancin hangen nesa da kuma ido kiwon lafiya a general rinjayar kayan shafawa. Har ila yau, ya shafa da kuma saka m tufafi, saboda yana hana wurare dabam dabam na duk gabobin, ciki har da idanu.

Ban sha'awa game da hawaye

Ban sha'awa abubuwa game da tsarin da ido da kuma tabbatar da cewa yaron ba zai iya kuka ga watan farko na rayuwa. More daidai shi ne gaba daya ba kasaftawa hawaye.

Abun da ke ciki hawaye yana da uku aka gyara:

• ruwa.
• gamsai.
• mai.

Idan rabbai daga cikin wadannan abubuwa a farfajiya na ido ba a lura, akwai bushe da mutumin fara kuka. Tare da m cikin hawaye iya gudãna daga ƙarƙashinsu kai tsaye a cikin nasopharynx.

Ilimin kididdiga nazarin bayar da shawarar cewa a cikin shekara kowane mutum ƙãra wani talakawan of 7 sau da mace 47.

game da ƙyaftawar

Abin sha'awa, da talakawan mutum blinks 1 lokaci a 6 seconds ne mafi reflexively. Wannan tsari na tabbatar da cewa ido isasshen danshi da kuma dace yarda na samu. Bisa kididdigar da, mata kibta sau biyu sau da yawa kamar maza.

Japan masu bincike sun gano cewa Ƙibtawa tsari ne ma mukaddashin matsayin sake yi ga taro. Sai a cikin kusa da shekaru rage-rage na ayyuka na na tsarin jijiya cibiyar sadarwa da hankali, sabili da haka akwai aka Ƙibtawa mafi sau da yawa bayan kammala wani takamaiman mataki.

karatu

Ban sha'awa abubuwa game da ido bai miss wani tsari kamar karatu. A cewar masana harkokin kimiyya, tare da m karatu ido gaji da yawa kasa. A wannan yanayin, karanta takardar littattafai shi ne ko da yaushe za'ayi da kwata da sauri fiye da kafofin watsa labaru.

erroneous ra'ayin

Yawancin mutane sun gaskata cewa shan taba ba ya shafar lafiyar da idanu, amma a zahiri taba hayaki take kaiwa zuwa blockage na retinal jijiyoyin bugun gini ido da take kaiwa zuwa ga cigaban da yawa cututtuka na na gani jijiya. Shan taba, duka aiki da kuma m, zai iya sa clouding da ruwan tabarau, kullum conjunctivitis, macular retinal makanta. Har ila yau, a lokacin da shan taba zama cutarwa lycopene.

A talakawa lokuta, da abu yana da wani tasiri mai kyau a jiki, inganta hangen nesa da inda hakan ya saukar da ci gaban cataracts, shekaru da alaka da canje-canje da kare idanu daga ultraviolet radiation.

Ban sha'awa abubuwa game da idanu ƙaryata game da ra'ayi cewa saka idanu radiation adversely rinjayar da hangen nesa. A gaskiya ma, lalacewar da idanu kawo wani wuce kima ƙarfin lantarki a wata na kowa mayar da hankali a kan kananan details.

Har ila yau, da yawa imani da shi shi ne wajibi ne a gudanar da caesarean haihuwa kawai ta gaban wata mace yana da matalauta gannai. A wasu lokuta wannan gaskiya ne, amma tare da myopia iya sha Laser jiyya da kuma hana hadarin katsewa ko retinal detachment a lokacin haihuwa. Wannan hanya ne da za'ayi ko a cikin 30th mako na gestation tayin da kawai daukan 'yan mintoci, shi ne ba da ciwon mummunan tasiri a kan kiwon lafiya na biyu uwa da yaro. Amma zama da cewa kamar yadda zai iya zama, kokarin ziyarci wani gwani da kuma duba su gani.