Hard Contact Lenses (Rigid Gas Permeable Lenses)
Rigid gas permeable lenses is usually used to correct complex prescriptions and certain irregular corneal conditions. This type of lens is made of materials with higher deposit resistance and it allows more oxygen into your eyes as compared to soft contact lenses. Due to the specialist nature of some of our contact lens work, we have a corneal topographer in our practice, which is an equipment rarely seen in standard optometric practices. A corneal topographer gives a complete map of the shape of the cornea, enabling the diagnosis of irregular corneal conditions and lens fitting of unusual-shaped corneas.
Keratoconus is an eye condition where the cornea changes shape as a result of corneal thinning. Diagnosis of Keratoconus can be confirmed with the use of our corneal topographer. Rigid gas permeable lenses are usually the best lens of choice in correcting Keratoconus to achieve a clear and stable vision than glasses and soft contact lenses.
This is a procedure for correcting short-sightedness by wearing rigid contact lenses overnight. These lenses reshape the cornea during sleep, giving patients clear vision in the day without needing glasses or contact lenses. It is especially suitable for patients who enjoy water and contact sports. Orthokeratology is reversible and vision returns to pre-treatment level if the lenses are not worn. Find out more about EyeDream lenses here.