The Color-Sensitive Cones. In 1965 came experimental confirmation of a long expected result - there are three types of color-sensitive cones in the retina of the human eye, corresponding roughly to red, green, and blue sensitive detectors.
Most PGA Tour caddies make between $1000 and $1500 per week, but they also make a percentage of what the player wins in the tournaments. This usually equates to 5 percent of any finish outside the top 10. Players breaking into the top 10, but not winning, will share 7 percent of their prize with their caddies.
Even so, they are making a lot of money. Even non pro caddies can make over $1000 per week, as standard tips can be $50 or $100 per round per bag; considering TPC Sawgrass is $350 to play or one can pay over $500 to play Shadow Creek. Source: Top-Earning Caddies www.forbes.com.June 11, 2007. See the Related Link below for the complete Forbes article.ven so, they are making a lot of money. Even non pro caddies can make over $1000 per week, as standard tips can be $50 or $100 per round per bag; considering TPC Sawgrass is $350 to play or one can pay over $500 to play Shadow Creek. Source: Top-Earning Caddies www.forbes.com.