The British OrthoKeratology Society

Types of Lenses
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Orthokeratology lenses are made from  rigid gas permeable materials. 

We use the latest materials to allow the maximum amount of oxygen through the lens.

They are very comfortable to wear and can be used either as a night time lens or a daily wear lens.

There are two different designs of OrthoK lenses available.

  • Single Reverse Geometry.

These are the original design of lenses and will treat prescriptions up to -2.50 Dioptres.

  • Double Reverse Geometry

These are the latest design and will treat prescriptions from +3.00 to -10.00D

Your practitioner will decide which  lens design will be the most suitable for you.

 
Copyright © 2005 The British Orthokeratology Society                        
Last modified: October 19, 2005