What is meaning of +- 4D in eye for job application requirement

power 4d Power Workout 4D brings Fitness Information and Tips for people looking Easy Exercises and Workouts to Get in Shape and Lose Weht at Home without going to gym.. Optical power is also referred to as dioptric power, convergence power, refractive power, or refractive power. It is equal to P = 1 f. Dioptre Formula . The Dioptre formula is used to

power gaming 88, The power to move, walk and travel in four dimensions. Sub-power of Unrestricted Movement and 4th-Dimensional Access. Technique of Space-Time Manipulation and Dimension Manipulation..