Umbala wamehlo unikwa ngu Ilifa lemvelo, xa amehlo esempilweni ngokupheleleyo anombala ofanayo inye. Amehlo abantwana abancinci ahlala engwevu okanye ambala uluhlaza ngombala kwaye imalunga neminyaka emi-6 ukuya kweli-10 yobudala yokwenzeka kombala wokwenyani.
Kakhulu, abantu nezilwanyana banamehlo ansundu, ngelixa kuphela inani elincinci linamehlo aluhlaza okanye aluhlaza. Inxalenye yamehlo ebonisa umbala ubizwa ngokuba yi-iris kwaye iimeko zinokwenzeka apho amehlo anombala owahlukileyo inye, oku Into eyaziwa ngokuba yiheterochromia. Esi siphene sincinci siqhelekile kwizilwanyana, izinja, iikati kunye namahashe anokuba namehlo ahlukeneyo ngemibala.
Iindidi zeheterochromia
Zimbini iintlobo zeheterochromia ezinokuthi zenzeke ngokuxhomekeke kwizizathu ezinokubangela ityala kwesi siphene.
I-heterochromia ekhethekileyo: iliso elinye lineetoni zemibala eyahlukileyo.
Gcwalisa iheterochromia: Amehlo ahluke ngokupheleleyo.
I-heterochromia yokuzalwa: oku kwenzeka xa kusenziwa ilifa lemfuza.
I-heterochromia efumanekayo: Kubangelwa okanye kunokubakho sisifo esithile okanye umothuko.
Esi siphene asiyomeko echaphazela umbono kwaye ayiqhelekanga kakhulu ukuba iheterochromia epheleleyo ivele emntwini. Ke kweli nqaku siyakhankanya ezinye iintlobo zezinja ezinamehlo anemibala emibini eyahlukileyo, njengoko abantu abaninzi bekufumanisa kuyamangalisa kwaye bayatsaleleka kwesi siphene sihle.
Kwizinja kukho iintlobo ezininzi ezinokuthi zibe neherterochromia epheleleyo. Singabalula phakathi kwabo e USuserian Husky (Kwamanye amazwe ikwabizwa ngokuba yingcuka yaseSiberia ngenxa yokufana kwayo nesihlobo sasendle), iCatahoula kunye ne-Australia Shepherd.
Izinja ezizalisa le nto emehlweni, zihlala zineliso eliluhlaza elinye linombala omdaka, kuba xa iris yeliso iluhlaza okwesibhakabhaka, yenzeka Uhlobo MerleOlu luhlobo lolunye olunika olo toni kwaye lukwanoxanduva lombala kwimpumlo yezinja, ebizwa ngokuba libhabhathane.
Kwelinye icala, inokuba ngunobangela we iheterochromia ekhethekileyoUmzekelo, umbala omdaka omncinci ungabonwa ngaphakathi kombala wamehlo aluhlaza. Singaqaphela uhlobo lweMerle olukhoyo kwiintlobo ezinje ngeAustralia Shepherd, iBorder Collie kunye nePembroke Welsh Corgi, kwaye oku akuthethi ukuba aba bahlobo be-canine abasenamdla ebantwini, endaweni yoko ibajika babe zizilwanyana ezinempawu kunokuba ezininzi zinokuhluka.
Ngokubhekisele kwi-heterochromia, Kukho iintlobo zezinja ezinokuba nolu hlobo lwesiphene, apho elinye lamehlo linemibala emibini kunye, oko kukuthi, linokuba nemibala emininzi. Phakathi kwazo sinokukhankanya iBorder Collie, iPembroke Welsh Corgi, i-Australian Shepherd Dog kunye ne-Great Dane.
Xa lo mahluko wombala ubonwa kwi-iris yezinja eziveliswa luhlobo lweMerle, kungenxa yokuba oku kunciphisa umbalaOko kukuthi, ukulahleka kombala kwenzeka.
Ezinye iintlobo zezinja esinokuthi ukuba neHeterochromia ngesiNgesi yiCocker Spaniel yesiNgesi, iPit Bull Terrier, iFrench Bulldog, iBoston Terrier kunye neDalmatia.
Ukongeza ekuthetheni ngezinja ezinamehlo anemibala emibini eyahlukeneyo kwaye kutheni le nto isenzeka? Singathetha ngamabali akhoyo ngale nto intle, kuba bekukholelwa ukuba ezi zinja zikhusela uluntu, ngokwamabali. Amehlo anemibala eyahlukeneyo (heterochromia) babekhusela abantu, ngelixa abo banamehlo ansundu bekhusela imimoya.
Kwelinye icala, ii-Eskimos zazikholelwa ekubeni izinja zesileyi ezinesiphene zazinokubaleka ngokukhawuleza.