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.
Based on some widely held beliefs â a pro caddy makes about $1,000-1,500 per week as a base salary (whether their player makes the cut or not). When their player makes the cut â the caddyâs income breaks down as follows: 1  5% of winnings for a finish outside the top 10.  7% of winnings for a finish inside the top 10.