A plastic jug takes 1 million years to decompose. The average life expectancy is 78 years. 1,000,000/78 = ~12,820 lifetimes. Remember to use reusable bottles.

Foveal vision: (Also called photopic vision.) That part of an image focused on the fovea, a region of the retina near the optical axis of the eye. The fovea has a high density of the color-sensitive receptors known as cones, but it has no rods. Source: AMS Glossary of Meteorology