Iinyani ezinika umdla malunga iliso kwabantu kunye nombono

Oku uncedwa umntu uyabubona inkoliso ingcaciso evela ihlabathi ngaphandle, khon 'ukuze zonke izibakala ezingqonge amehlo, umntu umdla. Namhlanje kukho inani elikhulu.

Indlela emayenziwe ngayo iliso

iinyani ezinika umdla malunga iliso iqala nesibakala sokuba umntu isidalwa kuphela emhlabeni, ukuba abelungu yamehlo. Ezinye embindini iliso izele ngeentonga kunye iikhowuni, kwakunye kwezinye izilwanyana. Ezi seli zifumaneka emehlweni imali amakhulu ezigidi kwaye photosensitive. Cone abasabela ngayo ukutshintsha ukukhanyisa kunye nombala ngaphezu iinkuni.

Bonke abadala ubungakanani ukhozo lweliso phantse ncam yaye-24 mm ubukhulu, ngoxa netoti usana olusanda kuzalwa, njengokhozo 18 mm ubunzima phantse izihlandlo ezithathu ngaphantsi.

Okubangel 'umdla kukuba ngamanye amaxesha umntu uyakwazi ukubona phambi kwamehlo ezahlukeneyo floaters, ezo eneneni imicu protein.

Inwebu lugubungela kumphezulu wayo ebonakalayo, kwaye yinxalenye nje umzimba womntu, nto leyo onikezelwa ioksijini egazini.

lens Eye olunika ingcaciso yombono, rhoqo egxininisa kokusingqongileyo ngeqondo lwezinto 50 ngomzuzwana. Ihamba amehlo nje 6 izihlunu iliso, ezo zezona esebenzayo emzimbeni.

iinyani ezinika umdla malunga amehlo ziquka ulwazi malunga ukuthimla ngamehlo akho evulekileyo akunakwenzeka. Izazinzulu bathi oku ukwenza nantoni na awayefike sele ezimbini - yindibanisela reflex izihlunu ebusweni neliso nokukhuseleka okuchasene kokungena iintsholongwane isifo ngeempumlo.

umbono ubuchopho

iinyani ezinika umdla malunga umbono kunye amehlo basoloko data ukuba eneneni umntu ubona ingqondo, kungekhona iliso. Oku kuye kwathiwa kwasekwa ngokwenzululwazi ngo-1897, engqina ukuba Iliso lomntu uyasibona ulwazi lokusingqongileyo ngamahla ndinyuka. Edlula luvo optic kweli ziko-luvo, lo mfanekiso ingene kwindawo eqhelekileyo kweli neuron.

Properties iris

Ziquka inyaniso yokuba iris zomntu ngamnye 256 iimpawu ezikhethekileyo, ngelixa lweminwe ziyahluka amane kuphela. Amathuba okufumana kunye iris efanayo umntu cishe zero.

ukuhlukunyezwa umbala

Amaninzi, le ngezifo ibonisa njengombala ziimfama. Kunika umdla ukuba ukuzalwa bonke abantwana umbala-iimfama, kodwa ubudala imbono imibala in yagqampa yaya ezininzi. Kaninzi baphathwa ukuphazamiseka sale ndoda akakwazi ukubona imibala ezithile.

Ngokuqhelekileyo, umntu kufuneka babelane imibala ezisixhenxe ezisisiseko kunye ukuya ku-100 000 abangasekhoyo. Ngokungafaniyo namadoda-2% yabafazi abaphethwe kuguquka yemfuza Kwelinye icala u uluhlu nombono wabo imibala amakhulu ezigidi abangasekhoyo.

angakhetha

Xa sijonga isakhiwo iliso, iinyani ezinika umdla malunga nto yabangela Iridology. Yindlela ziwela ngenxa zokufumanis izifo yonke eziphilayo ngokuhlolisisa iris iso.

lifathul iso

Okubangel 'umdla kukuba, loo Pirates ayenxiba blindfolds, kungekhona ukuze fihla abanawo. Yavala unaliso linye, ngoko ke unako ngokukhawuleza ukuziqhelanisa zokukhanya ezinqabeni inqanawa leyo. Yanjalo, esebenzisa iliso enye kumagumbi Izibane norhatyazo kunye kuzivathisa ukukhanya, kubaphangi nako ukulwa ngempumelelo ngakumbi.

Nezipili yokuqala mnyama amehlo omabini wabonakala ukuba sizikhusele ilitha, kwaye ukufihla phambi ngabantu abangagunyaziswanga. Zazisetyenziswa kwi abagwebi yokuqala kuphela Chinese ukuba ukubonisa abanye mintlhaveko zobuqu namatyala amisiweyo.

Blue okanye emdaka?

umbala Eye Human emiselwe isixa ingqalelo kumzimba melanin.

Iris ibekwe phakathi inwebu kunye lens iliso kwaye iqulathe iileya ezimbini:

• phambi;
• diff.

amagama Medical bachazwa mesodermal kunye ectodermal ngokulandelelana. Kungenxa kule nwebu ngaphambili kwaye zasasazwa sombala Umbala, nokumisela umbala emehlweni oluntu. iinyani ezinika umdla malunga amehlo ukuqinisekisa ukuba umbala iris ibonelela bala lintsundu kuphela, akunamsebenzi nokuba yintoni umbala amehlo akhe. utshintsho Umthunzi kuphela ngokuguqula uyondelelwano lwee- mba imibala.

Ekuzalweni, phantse bonke abantwana babe kombala ongekhoyo ngokupheleleyo, ngoko ke amehlo aluhlaza kubelekwa. Nge ubudala, ukuba etshintshe umbala wawo, nto leyo izele kuphela iminyaka eli-12.

iinyani ezinika umdla malunga iliso yabantu nabo bathi umbala kunokwahluka ngokuxhomekeka kwiimeko ezithile. Izazinzulu ngoku efakwe into enjalo nje lonwabu. Kuyinto iliso umbala utshintsho kunye kokuhlala ixesha elide engqeleni okanye ukukhanya elide okuqaqambileyo. Abanye abantu bathi umbala yamehlo abo kuxhomekeke kuphela kwi yezulu kuphela, kodwa kwakhona kwi mood lobuqu.

Izibakala kakhulu umdla malunga isakhiwo Iliso lomntu iqulethe data ukuba ngokwenene bonke abantu emsi-amehlo ehlabathini. Le xi eliphezulu mbala kwi iris liginya reyi ukukhanya ezitsho eziphezulu nezisezantsi, apho ukubonakaliswa yabo inika umbala iliso omdaka okanye lube mnyama.

Iliso umbala kuxhomekeke kummandla wejografi. Ngoko kwimimandla esemantla esilawulwa abantu iliso umbala oluhlaza. Esinga kwelasezantsi, kukho inani elikhulu brown amehlo, kwaye kwi-ikhweyitha, phantse bonke abantu inombala omnyama iris.

Ndiyamangala ukuba le mbono

Ngaphezu kwesiqingatha senkulungwane eyadlulayo, abaphengululi bafumanisa ulwazi olunomdla - ekuzalweni thina sonke ejongelwe kwixesha elide elizayo. Kuphela iinyanga ezintandathu ubudala ukuze kuphunyezwe umbono yesiqhelo. iinyani ezinika umdla malunga iliso yoluntu kunye nombono kwakhona ukuqinisekisa ukuba iliso abunjwe ngokupheleleyo ukusebenza komzimba iparameters kweminyaka esixhenxe.

Umbono kungahle kuchaphazele imeko ngokupheleleyo emzimbeni, ngokuba umthwalo ongaphezu kwemfuneko iliso a jikelele ukudinwa, intloko ebuhlungu, ukudinwa noxinezeleko.

Okubangel 'umdla kukuba akukho angqiniweyo ngokwezenzululwazi unxibelelwano phakathi umgangatho iikherothi carotene kunye novithamini. Enyanisweni, le ntsomi lithatyathwe amaxesha emfazwe, xa amaBritane Bagqiba kwelokuba bafihle wayila-moya radar. Bachaza ukuba ubhaqo ngokukhawuleza moya lutshaba namehlo abukhali ye pilot abadla iminqathe.

Ukuze ngesandla khangela acuity ezibonwayo, kufuneka sijonge isibhakabhaka ebusuku. Ukuba kufutshane inkwenkwezi phakathi Big Dipper handle (the Big Dipper) kunokwenzeka ukuba ubone inkwenkwezi encinane, ngoko yonke into ILUNGILE.

amehlo

Amaninzi lo ukuphazamiseka yemfuza alunasiphumo kwi empilweni jikelele. iliso eyahlukileyo umbala kuthiwa heterochromia kwaye inokuba ngokupheleleyo okanye ngokungaphelelanga. Kwimeko yokuqala, iliso nganye zipeyintwe ngombala owahlukileyo, kwaye eyesibini omnye iris yahlulwe ezimbini kunye imibala eyahlukileyo.

izinto ezimbi

Ngaphezu nantoni na, umgangatho umbono kunye nempilo amehlo ngokubanzi kuchaphazela zokuthambisa. Kwakhona ezichaphazelekayo enxibe iimpahla tight, ngokuba kukhubaza lokuhamba onke amalungu, kuquka amehlo.

Ezinomdla malunga iinyembezi

iinyani ezinika umdla malunga isakhiwo iliso kwaye uqinisekise ukuba umntwana lingenako ukukhala ngenyanga yokuqala yobomi. Okunye kanye oko kwaphela iinyembezi eyabelwe.

iinyembezi Ubume inamacandelo amathathu:

• amanzi;
• yencindi yomlomo;
• fat.

Ukuba olinganise ezi zinto phezu komhlaba iso kuyagcinwa, kukho womile kwaye umntu uqalisa ukukhala. Ngobuninzi kulo iinyembezi nga iqukuqela igalele ngqo kwi-nasopharynx.

izifundo zestathistiki lubonisa ukuba ngonyaka ngamnye umntu uyakhala umlinganiselo amaxesha 7 kunye nomfazi 47.

malunga blink

Okubangel 'umdla kukuba, loo mntu avareji ° ng-1 ixesha kwimizuzwana 6 ngakumbi kusincede. Le nkqubo iqinisekisa ukuba iliso ukunyakama okwaneleyo kunye kugqitywe kwangexesha kokungcola. Ngokutsho manani, abafazi blink kabini ngokufuthi kangangoko abantu.

abaphandi Japanese baye bafumanisa ukuba inkqubo odanyazayo kananjalo esebenza njenge rebootboot ukuba ingqondo. Kwaba njalo ekuphelisweni kwephakade eli unciphisa umsebenzi kwenethiwekhi ingqalelo, kwaye ke ngoko kukho ukuqhwanyazaemva rhoqo emva kokuzalisa intshukumo ethile.

ukufunda

iinyani ezinika umdla malunga iliso Zange ndiphoswe inkqubo efana nokufunda. Ngokutsho izazinzulu, ekufundeni rapid eye udinwe kakhulu kakhulu. Kulo mzekelo, ukufunda iincwadi iphepha usoloko wenziwe kwikota ngokukhawuleza ngaphezu elektroniki.

iimbono eziphosakeleyo

Abantu abaninzi bakholelwa ukuba ukutshaya aluchaphazeli impilo yamehlo, kodwa eneneni icuba kukhokelela ukuvaleka iliso semehlo ezinemigca kwaye ikhokelela kuphuhliso izifo ezininzi luvo optic. Ukutshaya, zombini iyasebenza ngqo, kunokubangela clouding lens, conjunctivitis esinganyangekiyo, yimfama macular semehlo. Kwakhona, xa ukutshaya kuba lycopene yingozi.

Kwiimeko eziqhelekileyo, iyeza kunempembelelo entle emzimbeni, ukuphucula embonweni kuyehla uphuhliso seengxangxasi, utshintsho ezinxulumene-ubudala kunye nokukhusela amehlo kwimitha yelanga.

iinyani ezinika umdla malunga amehlo luyakuphikisa ingcamango yokuba iliso radiation kuchaphazela umbono. Enyanisweni, umonakalo amehlo ezisa ombane gqitha kujoliswe eqhelekileyo kwi iinkcukacha ezincinane.

Kwakhona, abantu abaninzi bakholelwa ukuba kuyimfuneko ukwenza ukuzalwa ngoqhaqho kuphela kukho umntu wasetyhini yamehlo. Kwezinye iimeko oku kuyinyaniso, kodwa ukubona unako baye unyango laser nokuthintela umngcipheko komsipha okanye ngamava semehlo ngethuba lokubeleka. Le nkqubo yenziwa nkqu kwiveki yama-30 yokumitha olungekazalwa kwaye ithatha nje imizuzu embalwa, oko yokungabi nefuthe elibi impilo kamama nomntwana. Kodwa ukuba njengoko kusenokuba, zama atyelele ingcali uze ujonge nokubona kwabo.