Swimming goggles to you prescription transform the swimming experience. If you have a strong prescription, you will feel such an increase in confidence when you can see clearly both above and under the water. If you are a competitive swimmer, or were in the past and now swim for general fitness, the clarity of sight these goggles provide enable you to take your technique to new levels, as we have proved from personal experience. Ready glazed goggles cost £29.95, and if you require a more precise prescription they range from £59 to £85 .