Rods and cones are the two types of photoreceptors in the eye. Imagine that an evil supervillain has the power to damage either only the rods in your eye or the cones in your eye, so that you would lose the functionality of one type of photoreceptor but retain the other.
1. How would your vision change if rods were selectively damaged by this supervillain?
2. How would it change if cones were damaged instead?
3. Which would you choose to keep—rods or cones—and why?
4. Would this choice change if you were a nonhuman animal?
9 answers