Impilo, Emehlweni
Yini nokuthi ukubona izimpumputhe umbala - ngaphandle umbala emhlabeni
ubumpumputhe Color kuwuphawu okuyinto umuntu kusukela ekuzalweni noma ngenxa okuyinto izinzwa noma iso izifo. Uma kuwukugula azalwa naso, ukwelapha akunakwenzeka. Ubuphofu yizifo kungavuka iso esisodwa noma zombili ngasikhathi sinye. Endabeni isifo aluthola ngesikhathi ikhambi le zokugula ecashile umbono womuntu iba evamile, futhi isici onjalo iphele.
Ukuze uthole ukuthi ukubona ibala lesikhumba, kumelwe sikhumbule ukuthi iningi labo ungayiboni ngombala owodwa kuphela - blue, oluhlaza noma obomvu, kodwa ezinye ungayiboni imibala emibili nje (umusi ubumpumputhe) noma ungayazi nhlobo imibala (umbala ubumpumputhe).
Imiraro yokwamukela umbala-sensitive, etholakala engxenyeni eyinhloko retina esweni, ziyimbangela umbala umbono engaphelele. amangqamuzana ezinzwa Special (Izigaxa) receptor zinendima ethile. Zintathu izinhlobo of Izigaxa, ezithinta indlela bebona ibala lesikhumba. Noma yimuphi zalezi zinhlobo amaprotheni umbala-sensitive iqukethe sombala obhekene bezibona nombala owodwa oyinhloko. Ngo abantu ngobumpumputhe azalwa naso, inqubo okungaxhunyiwe ku-intanethi ngalezi umbala we-sombala (kunye, kubili, noma zonke zontathu ngesikhathi esisodwa).
Ukukhomba ukwephula kombala wasebenzisa ukuhlolwa ithebula polychromatic, lapho izinombolo noma umumo okulula okususelwa ngemibuthano ezinemibala. Ngesikhathi anomaly, babona ibala lesikhumba, abakwazi ukubona izinombolo noma izibalo. Umuntu obona kahle ungabona isithombe ngokushesha.
imithi ye azalwa naso umbala ubumpumputhe, ayikho indlela eyodwa angazange khona kuze kube muva nje, ukuze ubhekane ngokuphumelelayo nalesi sifo. Ngo-2009, iqembu lososayensi American Uzame ukuxazulula inkinga umbala ubumpumputhe usebenzisa isakhi sofuzo zobunjiniyela. Ngokwethula izakhi zofuzo lezimfene wakwazi ukuxazulula inkinga ukwephula kombala futhi kufakazeleke ukuthi akudingi izinguquko isimiso sezinzwa ukuze wamukele umbala entsha.
Kukhona futhi ezinye izindlela umbala ushintsho ngosizo lens ezikhethekile. Akunjalo endulo, lwenzelwe izibuko ibala lesikhumba abanamalensi umbala Lilac lombala ubumpumputhe ukulungiswa. Ngenxa amaphuzu ungakwazi ukuhlukanisa phakathi imibala eluhlaza kanye obomvu, ethuthukisa umbono umbala abantu evamile umbala ubumpumputhe. Futhi ungakwazi ukwenza ngcono ukubonakala kombala anombala nge red tint contact lens, ezisetshenziswa for ezinye izivivinyo, kodwa ayikwazi ukusetshenziswa kokugqokwa okuqhubekayo.
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