There are two types of photoreceptors, the cones and the rods. The cones function in bright light and there are three types that are maximally sensitive to different colours, which allows the ratio of their responses to code colour.
Medioimages/Photodisc/Photodisc/Getty Images. Most PGA Tour caddies make a salary of between $1,000 and $1,500 a week, plus a percentage of the playerâs winnings each week. A common rate is 5 percent for finishes outside the top 10, 7 percent for non-winning top-10 finishes and 10 percent if the golfer wins.
Some of us have been out there 30, 40 years. Weâre part of the family, and we need to be treated like it.â. Caddies, by definition, are contractors. They work for a player, not the PGA Tour, surviving on a 5-10% cut of their playersâ winnings to earn a living. The Tour does subsidize caddiesâ healthcare by giving $2,000 to each caddie who works at least 15 tournaments a year, yet for many that stipend is not enough. Caddies who work for less established players have long been known to carpool to tournaments, share low-cost hotel rooms, and eat cheaply.