बियो बुङो दि जोंनि मेगननि खोमसि जाना थानाय बाहागोआव सोरां आरो एसे एसे गोजानाव थानाय मुवाफोरखौ सोरगिदिं थासारियाव सिनायनायनि गोहोआ कनट्रास्ट सेनसिटिविटी जायो ।
They have to say that ability to identify light in dark area and things based on subtle differences in the background is contrast sensitive .