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Corneal Refractive Therapy (CRT), also known as Orthokeratology, or "ortho-k," is the process of reshaping the eye with specially-designed rigid gas permeable contact lenses. The goal of ortho-k is to flatten the front surface of the eye and thereby correct mild to moderate amounts of nearsightedness and astigmatism. It is still possible to have LASIK surgery after orthokeratology.
The gas permeable lenses for ortho-k are applied at bedtime and worn overnight to gently reshape the front surface of your eye (the cornea) while you sleep. When you're awake, your vision is corrected so you can see clearly without glasses or contact lenses. The effect is generally enough to get you through a day or two so you must wear the reshaping lenses each night to maintain good vision during the day.
Orthokeratology is frequently a good option for nearsighted individuals who are too young for LASIK surgery or for some other reason are not good candidates for vision correction surgery. Because it can be discontinued at any time without permanent change to the eye, people of any age can try the procedure, as long as their eyes are healthy. However, results tend to vary with higher prescriptions and can sometimes take several weeks for the full effect to be apparent.
Since ortho-k GP lenses are worn during sleep, comfort and lens awareness are generally not a problem. Ortho-k is a significantly longer process than a regular contact lens fitting so it does require a series of office visits therefore these fees are higher than contact lens fittings.
Call our office for a free consultation to see if you’ll be a candidate for Corneal Refractive Therapy.
Scleral lenses are specialty contact lenses. These are typically used for highly irregular corneas due to Keratoconus or post surgical conditions from PRK & LASIK. They can also be used for patients with dry eye symptoms or those who suffer from contact lens awareness.
Scleral contacts are noticeably larger than standard gas permeable (GP) contacts and have a diameter equal to or greater than that of soft contact lenses. Advances in lens design technology are allowing manufacturers to design scleral lenses that can correct more conditions than ever before.
More complex conditions, including advanced keratoconus, pathologically dry eyes or severe ocular surface disease that might require a large tear reservoir, often are fitted with larger scleral lenses. Scleral lenses can also be used for eyes that have undergone a cornea transplant and for people with severe dry eyes caused by conditions such as Sjogren’s syndrome and Stevens-Johnson syndrome.
Scleral contact lenses are custom-made for each wearer, so fitting scleral contacts demands greater expertise and more time than fitting standard soft or GP contact lenses. Also, depending on the complexity of the problem and how the individual eye tolerates the scleral lens, adjustments of lens parameters may be needed, which will require additional lenses to be made and exchanged. The entire scleral lens fitting process can take several visits to determine the optimal lens for each eye.
While many individuals who use scleral lenses have worn soft or corneal GP lenses in the past, the process for applying and removing scleral lenses may take some practice. The additional time needed to master this, due to the larger size of the lenses and the fluid reservoir under the lenses, needs to be taken into consideration during the fitting process.
For these and other reasons, scleral contact lenses can cost significantly more than standard contacts; in fact, it is not uncommon for scleral contacts to cost three or four times more. Most insurance programs do not automatically cover the full cost of scleral contact lenses but some may reduce the cost of your lenses and/or fitting fee. You can contact your insurance company for more details.
Staff was very courteous and friendly. Addressed my vision concerns and I was treated very well. Highly recommended if ever you are in need of vision care.
Piscataway Township, NJ
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