Your brain does the work of intelligently putting together the sharpest parts from each eye's view, but the two eyes see slightly different things, and that makes it harder to judge distances binocularly.
Vaš mozak inteligentno obavi sastavljanje najoštrijih dijelova iz oba oka, ali ta dva oka vide stvari malo drugačije, a to otežave binokularnu  procjenu udaljenosti.