what is the relation between jonas' eyes and the apple?

Jonas' eyes are able to perceive changes in the apple while he and Asher play a game of catch with the fruit. This is the moment when Jonas realizes that he is unique, as no one else sees what he sees. In a community of "sameness," this would be a realization both terrifying and exciting........ Jonas now knew he was different, something that would set him apart from everyone else.

In their utopia, the people are color-blind. So when the apple changed, he simply caught a glimpse of its red color.

The color red