Rigid Contact Lenses Keratoconus
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Keratoconus Design and Material
Keratoconus is a range of rigid gas permeable lenses which combines the latest material and manufacturing technology with established design and a custom lens facility to provide the practitioner with unsurpassed choice. Keratoconus lenses are intended to be used as prescription lenses based on a trial fitting.
Lens Design and Material
Keratoconus has been designed to produce a balanced periphery with optimum edge lift throughout the range of parameters.The use of high precision manufacturing methods enables a 0.07mm interval to be used for the back optic zone radius. This has the benefit of reducing the range of lenses required for diagnostic evaluation.
30Dk/ 60Dk/ 90 Dk/ 151 Dk
|Refractive Index||1.453/ 1.453/ 1.453/ 1.442|
|Permeability Dk||30/ 60/ 92/ 151|
|Wetting Angle||12.8/ 14.7/ 16/ 42|
|Hardness (Shore D)||D84/ D83 /D81 /D79|
|Tints||blue, grey, green|
|Standard radius (mm)||5.4, 5.6, 5.8, 6.00, 6.20, 6.40, 6.60, 6.80, 7.00, 7.20|
|Standard diameter (mm)||9.00|
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