Predictable with major gaps

Rating: 4/10 (30 December 2018)

When they revealed that crazy people were immune, I realized that blinf people would be too. I wondered where all the blind people were.
What happened in the 5 years since the children were born? How did Sandra Bullock not get pregnant during that time? How did they eat?
If the children never saw anyone other than Sandra Bullock & each other, how could they just run off to play?