Ziyintoni ukubona kwamakati?

Kukho abantu abambalwa kwihlabathi abaza kuba bengenamdla kwiikati. Ezi zilwanyana ezinomkhuhlane ziyamthabatha kwaye ziyasithakazelisa, kwaye amehlo abo anamandla omlingo. Amehlo ekati awona mkhulu kakhulu, njengezo zonke izilwanyana ezinobusuku. Ukuba umzimba wethu kunye neliso lilingana nezo zifuyo zethu, siza kuba namaxesha amaninzi ngaphezulu.

Umbono weekati ebumnyameni

Ubumnyama obukhulu ikati ayiboni nonke, kodwa kubalulekile ukubonakala i-ray encane yokukhanya, njengoko ijika ibe ngumzingeli ongabonakaliyo ebusuku, nangona ibona ebusuku yonke into emnyama nomhlophe. Kufuneka kuthathelwe ukuba ukukhanya okukhanyayo kokukhanya, ukubonakala kwekati, ngokungafani neenja , kuya kuba nzima. Ubomi obuqhelekileyo, izilwanyana zethu zifuna ukukhanya okungaphantsi kwezi-6 kunathi.

Kuyathakazelisa ukuba ukuziphatha kweekati ezingaboniyo akufani kakhulu nokuqhelekileyo. Ukungabikho kombono kuhlawulwa ngempumelelo ngenyameko yezinye iimvakalelo, ezifana nomoya wokunuka kunye nokuthintela. Ubungakanani bamadevu kulawo makati bubungaphezulu kweyesithathu kunokuba kufaneleke.

Amehlo ethu, ngokungafani neliso lekati, unendawo ephuzi, apho kuvela umlambo wonke wokukhanya kwaye apho ukujonga kwehlabathi elijikelezayo kuxhomekeke kuyo, kubandakanya ukubonakala okubonakalayo kunye nokukhanya kwembala. Kwiekati, indawo ephuzi ayikho, kwaye i-retina yamehlo abo ihlukaniswe zibe zimbini. Ingxenye yayo ephezulu inoxanduva lombono ebumnyameni. Umbala oluhlaza obumlingo wamehlo enkatha ebusuku awunanto engaphezulu kwendlela ephezulu ye-retina. Ukungabikho kwebala eliphuzi kukuchaphazela ubuninzi obubonakalayo. Kodwa iikati azizibukeli iTV kwaye aziyi kufunda iincwadi, kwaye kuya kuba nzima ukubamba imouse kwimida yayo. Umntu ongcono ubona izinto ezihamba kancane, kodwa ikati echasene nayo. Usebenza ngokukhawuleza kumzingeli, nangona engaboni kakuhle phantsi kwempumlo. Umgama ogqwesileyo apho ikati ibona khona ngu-0.75 - 6 m.

Kwiminyaka emininzi, iimbambano zazijongwa njengamehlo ekati. Abantu bacinga ixesha elide ukuba iikati ziba nombono omnyama nomhlophe. Nangona kunjalo, impumelelo yenzululwazi yangoku ibonisa ukuba iikati zinemibala embala kwimini. Ubume bunike iinkati ukuba bakwazi ukubona imibala emininzi yembala yegrey, umbala oyintandokazi weekati. Ngokwemehlo, inxalenye engezantsi ye-retina, ene-brown pigment, idibana nemini. Le pigment ikhusela amehlo ekati ekutshiseni, okubangelwa yimisebe ye-ultraviolet yelanga. Umlambo wokukhanya owangena kwamehlo ulawulwa yi-iris, kwaye umfundi wekati unomfanekiso ovalwe ngokugqithiseleyo kwaye unako ukunciphisa kwisimo somlo.

Ukuba unayo ikati, phawula amehlo akhe, uwasuse, ukhusele izifo ezahlukahlukeneyo. Uya kukubonga ngothando lwakhe.