Impilo, Emehlweni
Amaqiniso ethakazelisayo iso womuntu futhi umbono
Kuyinto ngosizo umuntu ubona iningi ulwazi oluvela ngaphandle, ukuze wonke amaqiniso ezizungezile amehlo, umuntu ezithakazelisayo. Namuhla kukhona inombolo enkulu.
Isakhiwo iso
Zonke abadala usayizi inhlamvu yeso kucishe futhi 24 mm ububanzi, kanti ububanzi umntwana osanda kuzalwa yilona apula 18 mm kanti isisindo lingaphansi cishe kathathu.
Kuyathakazelisa ukuthi ngezinye izikhathi umuntu angabona phambi kwamehlo ezihlukahlukene ezintantayo, okuyinto empeleni amaprotheni imicu.
Cornea ihlanganisa bonke ubuso bayo ebonakalayo, futhi siwukuphela kwengxenye yomzimba womuntu, okuyinto akasinikanga umoya-mpilo egazini.
Eye lens enikeza nokucaca kombono, ngokugxila njalo ku imvelo ngesilinganiso izinto ngomzuzwana 50. Uthuthela amehlo nge nje 6 kwemisipha iso, okuyizinto asebenzayo kakhulu emzimbeni.
Amaqiniso ethakazelisayo amehlo phakathi ulwazi ngalokho thimula ngamehlo akho avuleke akunakwenzeka. Ososayensi bathi lokhu kubangwa imicabango ezimbili - ukusikwa reflex imisipha ebusweni iso isivikelo ingress amagciwane mucosa acinene.
umbono ingqondo
Izakhiwo iris
Bahlanganisa yokuthi iris lomuntu ngamunye has 256 izici ehlukile, ngenkathi zeminwe kuhluke amane kuphela. Amathuba okuthola umuntu iris esifanayo cishe zero.
ukwephulwa umbala
Ngokuvamile, lokhu zokugula sinezimfanelo njengoba umbala ubumpumputhe. Kuyathakazelisa ukuthi lapho kuzalwa zonke izingane ibala lesikhumba, kodwa ngeminyaka bezibona imibala e bounces kakhulu. Ngokuvamile baphazamisekile we ndoda abangakwazi ukubona imibala ethile.
Ngokuvamile, umuntu kufanele wabelane imibala eziyisikhombisa eziyisisekelo futhi shades-100 000. Ngokungafani amadoda 2% abesifazane uhlushwa kwezakhi ukuthi Ngakolunye wenabisa uhla bazibheka imibala amakhulu ezigidi shades.
imithi engamakhambi
elihlwelwayo esweni
Ngokuthakazelisayo, pirates egqoka uyasibekela ubuso, hhayi ukuze ufihle ukulimala kwabo. Bavala iso elilodwa, ngakho wakwazi ukuba azivumelanise ukukhanyisa ompofu womkhumbi lisiphatheleni. Alternately, usebenzisa iso elilodwa ngamagumbi nge ukukhanyisa dim futhi emphemeni ne ukukhanya okukhulu, Pirates kungenzeka ukulwa kahle kakhulu.
Nezibuko wokuqala omnyama kokubili amehlo uvele hhayi ukuvikela kusuka ukukhanya, futhi ukufihla emehlweni abantu okungagunyaziwe. Zazisetshenziswa at amajaji sesiShayina sokuqala kuphela hhayi ukukhombisa abanye imizwa siqu ukuze amacala okulindile.
Blue noma brown?
Iso Lomuntu umbala kunqunywa inani lokuhlushwa emzimbeni sombala i-melanin.
Iris itholakala phakathi i-cornea kanye lens esweni futhi siqukethe izingqimba ezimbili:
- phambi;
- labaqaphi elingemuva.
ngezokwelapha kuchazwa ngokuthi mesodermal futhi ectodermal ngokulandelana. Kuyinto ngaphambili ungqimba futhi kwasakazwa sombala Umbala, ekutholeni umbala emehlweni abantu. Amaqiniso ethakazelisayo emehlweni uqinisekise ukuthi umbala iris inikeza melanin kuphela, kungakhathaliseki ukuthi bamnyama noma amehlo akhe. izinguquko Shade kuphela ngokushintsha lokuhlushwa ndaba Umbala.
Amaqiniso ethakazelisayo iso womuntu futhi baphikisa ngokuthi umbala zingahluka ngokuya kwezimo ezithile. Ososayensi njengmanje into efana lonwabu. Kuyinto umbala wamehlo ushintsho nge kokuhlala isikhathi eside emakhazeni noma ukukhanya okukhulu eside. Abanye abantu bangase baphikise ngokuthi umbala amehlo abo akuxhomekile nje kuphela esimweni sezulu, kodwa futhi ku kwemizwa siqu.
Amaqiniso ezithakazelisayo kakhulu mayelana nokwakheka Iso lomuntu liqukethe idatha ngempela bonke abantu blue uneso emhlabeni. I emakamu eliphezulu sombala e iris ubamba imisebe yokukhanya imisindo high and low, lapho kuveza yabo inika brown noma black wamehlo.
umbala Eye incike kwendawo eklanywe njengomumo womhlaba. Ngakho ezindaweni ezisenyakatho ubuswa abantu wamehlo okwesibhakabhaka. Ngaseningizimu, kukhona inani elikhulu elinsundu sivule amehlo, futhi enkabazwe, cishe bonke abantu uba nombala omnyama iris.
Kazi ngalo mbono
Abangaphezu kwesigamu engaphezu kweyikhulu edlule, abacwaningi bathola iqiniso ezithakazelisayo - ngesikhathi sokuzalwa thina sonke kude ababona ngokucacile. izinyanga eziyisithupha ubudala kuphela ukufeza umbono ovamile. Amaqiniso ethakazelisayo iso womuntu futhi umbono futhi ukuqinisekisa ukuthi iso bakheké ngokuphelele nemingcele bokuphila yobudala eyisikhombisa.
Vision futhi kungathinta isimo jikelele zomzimba, ngoba umthwalo ngokweqile ku iso iyi jikelele ukukhathala, ukuphathwa ikhanda, ukukhathala nokucindezeleka.
Kuyathakazelisa ukuthi hhayi ngokwesayensi kungase kutholakale ukuthi kukhona ukuhlobana phakathi izinga isanqante carotene no-vithamini. Empeleni, la manga ethathwa Ngezikhathi zempi, lapho waseBrithani wanquma ukunciphisa ukufihla kokusungulwa izindiza radar. Bachaza ukuthola okusheshayo isitha izindiza namehlo abukhali we-pilot esadla izaqathi.
Ukuze ngesandla hlola acuity ezibukwayo, kudingeka sibheke esibhakabhakeni ebusuku. Uma eduze inkanyezi phakathi Big Dipper isibambo (i-Big Dipper) Kungenzeka ukuthi ubona inkanyezi elincane, konke ke kuhamba kahle yini.
amehlo ezahlukene
ezintweni ezingezinhle
Ngaphezu kwakho konke, ikhwalithi umbono kanye nezempilo iso ngokuvamile kuthinta izimonyo. Futhi abathintekayo futhi egqoke izingubo Friend, ngoba kukhubaza nokusakazwa zonke izinhlaka, kuhlanganise amehlo.
Ethakazelisayo izinyembezi
Amaqiniso ethakazelisayo isakhiwo iso bese uqinisekisa ukuthi ingane akakwazi ukukhala ngenyanga yokuqala yokuphila. Okuningi ngokunembile it is ngokuphelele hhayi labelwe izinyembezi.
Ukwakheka izinyembezi has izingxenye ezintathu:
- amanzi;
- isikhwehlela;
- amafutha.
Uma olinganise yalezi izinto phezu iso kungukuthi waphawula, kukhona ezomile futhi umuntu eqala ukukhala. Nge obuningi kulo izinyembezi kungaba ageleze ngqo nasopharynx.
izifundo Statistical basikisela ukuthi ngonyaka yilowo nalowo ekhala ngokwesilinganiso izikhathi 7 nowesifazane 47.
mayelana Blink
abacwaningi Japanese bathole ukuthi inqubo eshaywa nakho esebenza njenge kabusha i-emakamu. Kwakuphakathi esekuficile engu kunciphisa umsebenzi kwenethiwekhi ukunakwa, futhi ke kukhona eshaywa kaningi ngemva kokuqeda isenzo esithile.
Ukufundwa
Amaqiniso ethakazelisayo iso akazange miss inqubo efana nokufunda. Ngokusho ososayensi, kanye nokukhula ngokushesha ekufundeni iso ukhathele kakhulu. Kulokhu, ngifunda izincwadi iphepha ke njalo uma kwenziwa wumuntu ikota ngokushesha kunokuba tagezi.
imicabango yabantu eyiphutha
Abantu abaningi bakholelwa ukuthi ukubhema akuphazamisi impilo amehlo, kodwa empeleni kagwayi kuholela ukuvaleka ngwengwzi iso semithambo futhi kuholela ukuthuthukiswa izifo eziningi emsipheni optic. Ukubhema, kokubili yekwentiwa, kungabangela ingaphazamisi lens, conjunctivitis okungamahlalakhona, macular ubumpumputhe ngwengwzi. Futhi, lapho ukubhema kuba lycopene elimazayo.
Ezimweni abavamile, ketshezi linethonya emzimbeni, ekuthuthukiseni umbono by ingasheshi ukuthuthukiswa esweni, izinguquko ezihlobene nokukhula nokuvikela amehlo emisebeni ultraviolet.
Amaqiniso ethakazelisayo amehlo aphikisana umbono wokuthi ukuqapha emisebeni kubathinta kabi umbono. Eqinisweni, ukulimala kwamehlo kuletha i voltage ngokweqile ngesikhathi focus evamile ezincane.
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