Contact lenses are used to treat a variety of eye conditions, not only blurred vision caused by refractive error. Many patients wear soft contacts lenses for both distance and near vision complaints in both monthly and daily modalities.
Daily disposable contacts
Daily disposable contacts are the healthiest and most comfortable way to wear contacts. No cases, no solution, toss your lenses each and every night without the need to store and clean. The rate of infection with a daily disposable contact lens is greatly reduced as you never reuse the same lens, avoiding any contamination from your case or the day before. Yes, daily lenses are more expensive but their are considerable rebates, no solution to be purchased and you can pick and choose when you would like to wear them making them idea for those of use who just want to wear contacts on occasion.
Monthly replacement lenses
This is the traditional type of lens more of use first started out with. A lens you replace every 30 days, store in a case a night and clear regularly. This is a great way to wear contacts and some lenses are only available in this modality. Monthlies can be just as healthy as daily disposable but it takes disciple on the end of the patient to clean and replace regularly without abusing their intended wearing intentions.
Multi-focal contact lenses are indeed "magic" as they correct both distance and reading blur without the requirement of reading glasses. Although they cannot make you 20 years younger, they can help you feel that way!
For those patients in which case multi-focal contacts are not a good fit, such as patients with a high level of astigmatism, mono vision contacts are an excellent option. Optimize one eye for reading and the other for distance to get both eyes working together for a range of clear vision without reading glasses.
Scleral contact lenses are used to treat eyes with corneal irregularities and disease like keratoconus or those who have had Radial Keratotomy, a type of vision correction performed decades ago.
These contacts help create a an ideal optical surface by filling in an irregularities with fluid giving light an better path into the eye. Oftentimes, scleral contacts will provide the best attainable vision over glasses as they treat refractive error differently.
Not only are scleral contacts used for corneal disease but also to treat severe dry eye in which other therapies are not working. Bathe your cornea in fluid all day long and alleviate dryness!
Orthokeratology (also referred to as Ortho-K, Overnight Vision Correction, Corneal Refractive Therapy and CRT), refers to the creation of gas permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia, hyperopia and astigmatism.This method can be used as an alternative to eyeglasses, refractive surgery, or for those who prefer not to wear contact lenses during the day. Orthokeratology is most often used for candidates with up to -6.00 diopters of myopia.
They are often used in children to help prevent the progression of nearsightedness. They may be recommended if myopia runs in the family. By restraining refractive error <-5.00 diopters, the risk for many vision problems decreases dramaticaly.