Nissel Naturals

A screen printed soft contact lens for cosmetic and prosthetic use.

 

A high water content screen printed lens that is ideal for both hospital and high street practices wanting to fit patients that require a lens for either prosthetic or cosmetic use. Its wide parameter range allows a range of patients to be fitted.

Features

  • Spherical or Toric designs
  • Natural iris tone
  • Clear and black pupils available
  • Limbal ring
  • Iris pattern
  • Opaque backing

Benefits

  • High water content
  • Prosthetic use
  • Cosmetic use
  • Large specification range
   
Recommended care system is Quattro multipurpose solution by Abatron, Hydrogen peroxide systems may be used. 
Other multipurpose solutions may cause tint to fade.
Material Filcon II 3
Water Content 77%
Permeability (Dk) 45 x 10 -11
Base Curve (mm) 6.60 to 10.40 (0.20 steps)
Diameter (mm) 11.00 to 20.00 (0.50 steps)
Power Range  -30.00D to +30.00D (0.25D steps)
Higher powers may be available
   
Not all base curves are available in diameters from 16.50.  Please refer to our Material Parameters sheet for available sizes
Centre Thickness (mm) @14.50mm -3.00 = 0.18
Cyl Powers -6.00DC to -0.75DC (0.25Dc steps)
Axis Direction 5o to 180o (5o steps)
Iris Diameter (mm) 11.50, 12.00, 12.50
13.00, 13.50
Clear / Open Pupil (mm) 2.00, 2.50, 3.00, 3.50
4.00, 4.50, 5.00, 6.00
Black / Closed Pupil (mm) 2.50, 3.00, 3.50, 4.00
4.50, 5.00, 6.00, 7.00
8.00, 9.00
  • 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:
12.50mm 0.30mm - 0.40mm
13.00mm 0.40mm - 0.60mm
13.50mm 0.60mm - 0.80mm
14.00mm 0.80mm - 1.00mm
14.50mm & 15.00mm 1.00mm - 1.20mm
15.50mm 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

A 12 lens trial set is available*

Base Curve Diameter Power Lens Colours
 8.80 14.50  0.00  Blue 2,3,4
Brown 2,3,4
Green 2,3,4
Grey 2,3,4 

* A registered account with Cantor & Nissel is required.

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.