Without Hydra-PEG treatment
Use RGP solutions (AcuaCare StoreFlex) for storing and Alcohol cleaner (AcuaCare AllCleaner) for daily cleaning. Not use abrasive cleaners.
Alternatively, the one step-T Peroxide can be used too.
With Hydra-PEG treatment
Please only use the recommended cleaning solutions. The one step-T can be used with Hydra-PEG
Indication | Keratoconus, Nepravidelná rohovka, Post graft, Post refractive surgery, Pravidelné rohovka |
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Designed by | SwissLens |
Correction type | |
Lens Type | |
Application |
Lenses must always be inserted full to the brim with saline. Fluorescein must be added to the bowl of the lens prior to insertion as it will not get behind the lens after insertion.
The patient should be bent forward with their nose pointing towards the floor and their chin tucked in. The lens can either be supported on a tripod of three fingers or on a DMV inserter.
After 1 hour of testing, the tear film thickness should be approx. 200 – 250 micrometers (corresponds to approx. 1/2 to 1/3 thickness of the cornea).
After a whole day, the tear film thickness in the center should be reduced to approx. 100 – 125 micrometers (equivalent to approx. 1/4 of the cornea thickness).
A good fit will :
To assess the edge of the lens, push the inferior sclera just below the edge of the lens. If the lens flares away very easily, it is flat. If it takes a significant push to get any flaring away of the lens, the edge is tight or the lens is too deep.
Action:
The test lens will show support at the peripheral cornea due to corneal shape. A lens with an inverse geometry must be chosen. It will be determined by the choice of a fitting sphere. First, intentionally choose a fitting sphere of +5.00. If this is not sufficient, increase its value to +10.00 diopters. The fitting sphere will eliminate peripheral approximation and render the fluorescent image similar to that of an adaptation on a classic cornea.
WARNING: this change will change the power of the lens, but the refractive power will remain the same.
Trial lens with normal geometry
Reverse Geometry
The scleral lenses are available with the following toric variants:
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