FDA Approved
The Paragon Corneal Refractive Therapy (CRT)™
treatment system is the first "accelerated
Orthokeratology" system which has been given
FDA approval in the USA for overnight wear. To see the
approval document (P870024/S043),
(please let me know if this link no longer corresponds
to the document). Paragon CRT™ is now available
at a small number of Optometry practices worldwide.
The Process
A "retainer" contact lenses is worn overnight
to reduce or eliminate myopic or short sighted prescriptions
& astigmatism. On retainer lens removal, in the
morning, the vision appears clear all day without the
use of spectacles or contact lenseses.
The Results
Within 10 days of treatment commencement, most patients
can expect to need no daytime vision correction at all,
but only to use their retainer lens while sleeping overnight.
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