For a fact, the only genuine way of getting a scuba diving certification is through enrollment into a scuba diving school that happens to base its curriculum from a certified agency for scuba training. Mostly, these scuba certification agencies take the responsibility of representing and controlling operators and professionals while at the same time taking the role to promote marine environment and sports. Having competed the given training successfully, one is therefore certified as a scuba diver. However, to be permitted to rent scuba equipment and be able to scuba dive with the professional diver operators, you have to obtain the scuba diving license from the agency.
There are many scuba diving certification agencies available hence the best thing would be finding out the one that is closest to you though you have to also understand in advance that the approach in various scuba diving agencies may vary. Most interesting thing is that one need not be disturbed by this fact as the training given to the scuba divers is similar in most agencies and that there is nowhere that qualifications from a given agency could be disregarded. Note that some scuba diving agencies are natives meaning they relate to the country’s origin while others are big global organizations recognized worldwide.
Concerning the scuba lessons that any interested party is supposed to take there is the theory part where learners are taught on basic scuba concepts and techniques of enhancing scuba diving safety. The learners may be briefed on practices associated with scuba safety and watch videos aimed to introduce them to scuba. Also handled in the theory part of the training is various scuba hand signals used in underwater communication. The most essential part of the lesson is introducing the learners to the various equipment of diving that they will be using during and after training. The learning also engages the learners more by requiring them to read various books on the subject to well understand things like how depth and pressure relate, assembling of scuba equipment and use of dive tables when planning a dive.
The other part of the training could involve practical on confined water training where learners get to experience breathing underwater and use of scuba equipment to practice surfacing and buoyancy skills. After several practices one is then given a final exam which they must pass in order to commence on the open water training. At the end, when the learner has successfully gone through the necessary tests and when the instructor is okay with their progress they are certified as official scuba divers.