The first way is that they're actually able to resolve small detail in the context of clutter, and though that means being able to read the fine print on a prescription rather than using magnifier glasses, you can actually do it with just your eyesight. The other way that they are better is actually being able to resolve different levels of gray.
Y es mejor de dos formas distintas: la primera es que son capaces de resolver pequeños detalles en un contexto abarrotado, y si bien eso significa poder leer la letra pequeña de una receta en vez de usar lupas, pueden hacerlo usando su vista; la otra forma es que son mejores en su capacidad de resolver diferentes niveles de gris.