Vision underwater is possible by using a scuba mask because it creates an air space between your eyes and the water. However, you might mistake a scuba mask to goggles that you would commonly see being used by Olympic swimmers. Although goggles also let you see underwater, it does not entirely mean that you can use it for scuba diving. This is because scuba diving can be dangerous if you don t know anything about it. For instance, you need to know about underwater pressure and how to cope with it. The pressure itself can be dangerous if you don t know how to equalize. It can lead to discomfort in the ear and sometimes may relatively cause injuries in your ear drum. For example, if you are certified as an open water diver, you are only allowed to dive in dive sites that have a minimum requirement of open water diver. However, if you are certified as an advanced open water diver, you can dive at dive sites that have a minimum certification level of open water and advanced open water. You should get your wetsuits and drysuits that can provide the needed thermal insulation and can avoid complications like hypothermia. Always remember that the water is conducting heat 25 times faster than the air from your body. Scuba Sets: There are two kinds of scuba sets and these are open-circuit and closed circuit. Get to Know More about Scuba Diving Equipment Engaging in a recreational sport like scuba diving makes a person more physically fit. It is not just a form of leisure but an exploration of the underworld as well. Scuba divers take pride in discovering the beautiful corals underwater. Diving is a versatile activity. Research about currency information, visa requirements, language, customs, travel warnings and disease hazards in your destination must be made first to avoid untoward incidents. - Learn about water and diving conditions. Decide whether you are going for a boat or shore diving. - Remember that tropical reef biodiversity is similar to a tropical jungle.