orthokeratology

(redirected from Ortho-k)
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or·tho·ker·a·tol·o·gy

(ōr'thō-ker'ă-tol'ŏ-jē),
A method of molding the cornea with contact lenses to improve unaided vision.
[ortho- + G. keras, horn (cornea), + logos, science]

or·tho·ker·a·tol·o·gy

(ōr'thō-ker'ă-tol'ŏ-jē)
A method of molding the cornea with contact lenses to improve unaided vision.
[ortho- + G. keras, horn (cornea), + logos, science]

Orthokeratology

A method of reshaping the cornea using a contact lens. It is not considered a permanent method to reduce myopia.
Mentioned in: Myopia

orthokeratology 

Programmed application of contact lens fitting for the purpose of altering the curvature of the cornea, especially to reduce the eye's refractive power in myopia. See ortho-k lens.
References in periodicals archive ?
According to the most highly recognised studies, there is 40% to 60% less myopic progression in ortho-k patients compared to the control groups.
Rasa Tamulavichus, O.D., of Big City Optical has to say about Ortho-K, "This is a wonderful option for patients who want the freedom to not wear eyeglasses or lenses all day long."
[6] were the first to investigate the recovery process following overnight reverse-geometry ortho-k lens wear and reported that 72 hours of discontinuation was insufficient for the cornea to recover.
For more information on Ortho-K, see www.OrthokAcademy.com and www.OrthokDoctors.com.
Ortho-K was discovered 40 years ago when opticians noticed some people could see better after they removed contact lenses.
It's this tiny difference that allows the Ortho-K system to work.
A few independent opticians offer Ortho-K, as does one chain, Scrivens.
The Federal Trade Commission (FTC) cautions that RK, PRK, and Ortho-K are not always short cuts to perfect vision, although some advertising and promotional materials for the procedures may suggest otherwise.
Ortho-k involves patients wearing a specially designed RGP lens overnight.
At the moment only a handful of opticians have the equipment and trained staff to dispense Ortho-K.
(8) Numerous approaches have been used in an effort to slow down the progression of myopia including: increased time outdoors; (9) pharmaceutical interventions; (10) bifocals and progressive spectacle lenses; (10) multifocal soft and rigid gas permeable contact lenses; (10) and orthokeratology (ortho-k) lenses.