Beating the Brutal Sun (Part 2 - Sunglasses)!
The next important accessory is a good pair of sunglasses that provides full range UV protection for your eyes. You can recognize such sunglasses easily by their UV400 certification, which means that they can filter out 100% of both UV-A and UV-B radiations. Better yet, get one that is at the same time polarized so that glares from reflections can be minimized.Polarized sunglasses work on the principle that vertical light falling on any reflective object such as glossy surfaces and water bodies will be rotated 90 degrees to a horizontal plane. Polarized sunglasses only allow light on a particular plane (usually vertical) to pass through the lenses and so, light from other planes (such as those from reflections) will be kept to a minimum. Minimizing reflective glares not only makes marine life easier to spot since it is is now easier to see beyond the surface of any water bodies, it...
