You can correct double vision problems by adding a prism to your prescription lenses. This is called prism glasses. It essentially uses a prism to cause the light that is about to enter the eye to change direction so that it enters the same area of the retina to correct the double imaging vision problem.
Prism glasses are added to the ordinary prescription lenses or have special equipment to cut out the prisms in different directions and degrees of prism needed. It is primarily used to correct vision problems that appear to be double imaged. If you are also troubled by such a situation, you can get prism glasses.
If your diplopia is restored by wearing prism glasses, you are allowed to drive. The prerequisite is that you are now actually seeing the same image and not two. If there is still a slight double image you will still have to go for a vision test.
Yes! Prism is also a type of power and is more severe than ordinary myopia or presbyopia. But the usual eye tests for vision will cover this, and then your doctor will indicate data such as the direction and luminosity of the prism in the prescription form, depending on your eye condition.
General prism glasses lenses will not be noticed that it is thicker than ordinary lenses, but it also depends on the difference in powers, highly prism lenses can also be seen to be thicker. However, you can make the lenses look less thick by choosing high index and small full-rim eyeglasses frames.