Ngaba uye wakha wazibuza ukuba abantu babona njani ihlabathi, kakuhle, umzekelo, kunye nobumfama?
Okanye mhlawumbi uvile ngabantu abane "ubumpumputhe bombala"? Hayi?
Emva koko ulungele, kuba ngoku uza kubona imifanekiso emva koko awusoze wakhangele yonke into ejikelezile, njengaphambili ...
Musa nje ukwesaba, amagama athi "umfama oyimpumputhe" okanye "ukungabikho kombala wembono" akuthethi ukuba abantu abahluphekayo ngenxa yolu luhlu alukwazi ukwahlula imibala okanye yonke into eyahlula kuyo ibe mnyama nomhlophe. Kwaye, nangaphezulu, kuvela, abantu abangama-99% abanemibala yobumpumputhe bayabona yonke into enemibala! Kodwa ke ... 1 kwabangu-12 amadoda (i-8%) kunye nabesifazane aba-1 kwabangu-200 (i-0.5%) banemibala ebuthathaka, oku kuthetha ukuba kwanezitalato zakho kukho abantu abaninzi abahluphekileyo kwezinye zeefom "zobumpumputhe bombala".
Kodwa ngoku siyakukuncoma ngakumbi! Ukungakwazi ukubonakala kombala kufumaneka kwiintlobo ezahlukeneyo:
- I-Deuteranomalia, ebonakaliswe bubuthathaka bokujonga umbala oluhlaza;
- I-Protanopia, xa umntu engazange ahlule okanye ahlule ngokucacileyo umbala obomvu;
- I-Tritanopia - ukuphulwa kwemizwa yemibala kwi-spectrum e-blue-violet;
- I-Monochromasia iyimpumpo epheleleyo yombala, xa umntu eqonda imibala kuphela ngokukhazimula.
Ewe, makhe sibone indlela zonke zijonge ngayo iilensi ezikhethekileyo, nokuba kunjalo, abantu bazibona njani ihlabathi nge-"color blindness"?