Until the only things that you have left are these cells here, the output cells, the ones that send the signals to the brain, but because of all that degeneration they aren't sending any signals anymore.
Naposljetku, jedina stvar koja vam preostaje su ove stanice ovdje, odvodne stanice - one koje šalju signale u mozak, no zbog svih nastalih oštećenja, one više ne šalju signale.