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hard contact lenses
Dimensionally stable contact lenses
Hard contact lenses are dimensionally stable due to the sturdy material. Even if you wear a hard contact lens on a very irregular cornea, the lens will not deform. This makes the hard contact lens very suitable for correcting the keratoconus. Keratoconus contact lenses have a special fit. This protects the vulnerable, bulging top of the cone as much as possible. With the advent of larger hard contact lenses, the possibilities have expanded even further. The number of complications with this lens type is the lowest of all contact lens types.
Advantages of hard lenses 
- Hard contact lenses last longer than any other type of contact lens; this saves considerable costs.
- The chance of an allergic reaction to your contact lens solutions is very small; the mucous membrane that covers the whites of the eyes reacts strongly to allergies and the hard contact lens does not go there.
- Once used to your hard contact lenses, there is a very good chance that this type of contact lens can be tolerated well for a very long period of time.
Disadvantages of hard lenses
- You will feel the edges of the contact lens as you get used to it. This will probably take more than 6 weeks.
- Dusts get underneath more easily. If you are used to wearing hard contact lenses, you will experience this less and less.
- A hard contact lens falls out faster; the chance of losing your contact lens is not that great, especially if you already have experience wearing it.
For some situations it is possible to wear a soft contact lens under a hard contact lens. This is a proven lens system and is called piggyback. The piggyback system can therefore offer a solution for a dusty environment.
