Ngesiqhelo, ukubona kude, kunye nokubona kude

Umxholo

• Ushwankathelo

Ushwankathelo

Umbono oqhelekileyo wenzeka xa ukukhanya kugxile ngqo kwi-retina kunokuba ngaphambili okanye ngasemva kwayo. Umntu onombono oqhelekileyo unokubona izinto ngokucacileyo kufutshane nakude.

Ukubona kufutshane kubangela umbono ongacacanga xa umfanekiso obonakalayo ujolise ngaphambili kwi-retina, kunokuba ujonge ngqo kuyo. Kwenzeka xa ubude bomzimba boliso bukhulu kunobude be-optical. Ngesi sizathu, ukubona kufutshane kuhlala kukhula kumntwana okhula ngokukhawuleza esikolweni okanye kwishumi elivisayo, kwaye kuyaqhubeka ngexesha lokukhula, kufuna utshintsho rhoqo kwiiglasi okanye kwiilensi zonxibelelwano. Umntu obona kufutshane ubona kufutshane nezinto ngokucacileyo, ngelixa izinto ezikude zifiphele.

Ukubona kude sisiphumo somfanekiso obonakalayo ojolise emva kwe-retina kunokuba ujonge ngqo kuyo. Ingabangelwa kukugcwala kwamehlo kwamehlo okanye amandla okugxila abe buthathaka kakhulu. Ukubona kude kusoloko kubakho kwasekuzalweni, kodwa abantwana banokunyamezela izixa ezilinganiselweyo ngaphandle kobunzima kwaye uninzi luyayishiya imeko. Umntu obona kude ubona izinto ezikude ngokucacileyo, ngelixa izinto ezikufuphi zimfiliba.