SiHLK Bandage

Greater comfort and durability from a new Silicone Hydrogel bandage lens.

 

An extremely thin lens design, combined with a meterial which offers both high water content and a high Dk, makes this a first choice lens for patients requiring a bandage lens, allowing maximum comfort and durability.

Features

  • Lathe cut
  • Spherical blended bi-curve front surface
  • Spherical blended bi-curve back surface

Benefits

  • Thinnest lens design to provide maximum oxygen delivery
  • High water content
  • High Dk
  • Large parameter range
Material contamac_400 definitive  Filcon V 4
Water Content 65%
Permeability (Dk) 62 x 10 -11
Diameter (mm) Base Curve (mm)
14.80
15.80
16.80
8.60, 8.80, 9.00
8.80, 9.00, 9.20
9.00, 9.20, 9.40
Power Range  0.00D (Plano)
Centre Thickness (mm) 0.13

The above parameters are standard and cannot be altered, however powered and toric lenses are available, please call for prices.
 
Cyl Powers -6.00DC to -0.75DC
(0.25DC steps)
Axis Direction 5o to 180o
(5o steps)
Power Range -30.00 to +30.00
(0.25D steps)


Recommended care system is Quattro multipurpose solution by Abatron.  Hydrogen peroxide or other multipurpose solutions can be used on these lenses.

Full refraction and eye examination, Keratometry, Select diameter required 2-3mm larger than HVID, Select Base Curve according to corneal curvature, but with a flattening differential relative to the diameter of the lens shown below:

Lens Diameter Order Base Curve Flatter Than Flattest K By:
14.80mm 1.00mm - 1.20mm
15.80 and above 1.40mm - 1.60mm

Good Fit

  • Comfortable
  • Good centration with full coverage of limbus, even in upward gaze
  • Adequate smooth movement in all directions of gaze
  • Good recovery on push-up test
  • Carry out over-refraction and order exchange lens if required

Flat Fit

  • May give poor centration
  • May give unstable vision
  • Can cause discomfort
  • Try steeper base curve (If available)
  • Over-refraction

Steep Fit

  • Displays inadequate or no movement
  • Resists push up test with lower lid
  • Can cause blanching
  • Try flatter base curve (If available)
  • Over-refraction

No fitting set is available for the SiHLK bandage lenses

Optician looking to order? Call us on +44 (0)1280 702002

Register with Cantor and Nissel for our online ordering facility and be able to order the following lenses via our website: Cantor Prosthetic, Hydrocyl, Hydrofit, Hydrolens and Nissel Custom Hand Painted. The online forms with their drop down menus allow you to order lenses without the need to refer to any size or colour charts.