These are the most popular form of lens because they are available in a wide range of designs. They are replaced on a regular basis, usually every month, to ensure that the lenses give the best performance and that they remain clean. These lenses are supplied on a regular basis with monthly payments by standing order to cover the cost of the lenses, solutions and continuing aftercare.
The lenses can be made from a range of different materials, which makes them suitable for:
- People working in dry atmospheres, for example air conditioned offices and aircraft
- People who want or need to wear lenses for long periods
- Lenses for 'dry eyes'