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Contents

Lens DesignOverview
Key Features
Fitting Guide
Materials Summary

Overview

Gelflex BP Toric Lenses are computer designed and are produced on Sub-Micron Technology Lathes using Laser beam measuring systems for extreme accuracy. The central optic is prism free,giving a high quality optic zone. The Gelflex BP Toric Lens has excellent stabilising characteristics with improved axis location and marking.

Key Features

• The Gelflex BP Toric is manufactured on the latest precision DAC OTT and ALM Ott Lathes.
• Lathe Turned back surface toric . As all the surfaces are turned and not crimped, the lens features excellent dimensional stability and predictable results.
• Bi-prism lens construction for lens stabilisation
• Thin lens design allows for exceptional patient comfort
• Controlled lens edge radius
• Standard toric parameters
• The Right (OD) lens is marked with a black marker dot at the 6 o’clock position.
• The Left (OS) lens is marked with two black dots at the 6’oclock position.

Alpha 38 BCOR: 8.00, 8.20, 8.40, 8.60, 8.80 Diameters: 14.50, 15.00
Delta 55 BCOR: 8.00, 8.30, 8.60, 8.90, 9.20 Diameters: 14.30, 14.80, 15.30
Extreme H2O BCOR 8.00, 8.30, 8.60, 8.90, 9.20 Diameters: 14.30,14.80, 15.30

Any power or axis Cylinder power to -6.00 is available.

• Non-standard lens parameters available
• Blue visibility tint available
• Easy fitting rationale:
- Alpha 0.8mm flatter than mean ‘K’
- Delta 0.9mm flatter than mean ‘K’

Fitting Guide
Material Mean K Order

Alpha 38

<7.45
7.46 - 7.65
7.66 - 7.85
7.86 - 8.05
8.06 - 8.25
8.26
8.2/14.5
8.4/14.5
8.6/14.5
8.8/14.5
9.0/14.5
9.2/15.0
Delta 55 < 7.45
7.46 - 7.75
7.76 - 8.05
8.06 - 8.35
8.36
8.3/14.3
8.6/14.3
8.9/14.3
9.2/14.3
9.2/14.8
Extreme H2O <7.50
7.46 to7.75
7.76 to 8.05
8.06 to 8.30
8.31 and above
8.0/14.3
8.30/14.3
8.6 /14.3
8.9/14.8
9.2 /15.3

All cyls >2.50. Overall diameter 14.8
If base curve 9.20. Overall Diameter 15.3

For more detailed fitting information refer to the full fitting guide, available from Gelflex Laboratories.

Material Features Summary
Alpha 38 38% Water content Features ; Strong robust lens
Simple maintenance
Ease of handling
Excellent patient comfort
Delta 55 55% Water content Features : Hyper-wetting material for greater patient comfort.
Excellent oxygen transmissibility for safe corneal health Can be tinted in an extensive range of colors .
Extreme H20 59% Water content Features : High Technology material that retains the bound water within the lens material. The resultant lens will not dry on the eye.
Available in clear or blue handling tint only.

 

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