Nissel KII Soft

Annual soft lenses for Keratoconus, post-cxl and post graft corneas

 

An exceptionally comfortable, dynamically stabilised lens designed for keratoconic, post graft and post-cxl corneas.

Features

  • Aspheric front surface
  • Lathe cut
  • Dynamically stabilised
  • Exceptional comfort
  • Designed for Keratoconic, post-cxl & post graft corneas

Benefits

  • Fitting set available
  • Trial lenses marked with orientation to assist fitting
  • Trial lenses stabilised as Rx lenses
Material contamac_400 contaflex_gma_400 Filcon II 2
Water Content 58%
Permeability (Dk) 26 x 10 -11
Base Curve (mm) 6.60 to 10.40 (0.20 steps)
Diameter (mm) 14.50mm
Power Range -30.00 to +30.00D (0.25D steps)

 

  • Full refraction and eye examination
  • Keratometry
  • A Nissel Keratoconus II Soft trial set must be used, select the trial lens according to 'K' readings and with closest power to the spectacle Rx  

 

Good Fit

  • Comfortable
  • Central position
  • If bubbles form under lens on insertion, these should settle within 2 to 3 minutes
  • Vertical movement of approximately 1.00mm after blink
  • Good recovery on pushup test
  • Orientation mark should be vertical
  • Carry out over-refraction
  • Note and record direction of the orientation mark
  • Contact Cantor & Nissel with results

Flat Fit

  • May give poor centration
  • Can cause discomfort
  • Excessive movement on blink - greater than 1.00mm
  • Lens drops significantly on upward gaze
  • If excessive movement but good centration, allow to settle for longer
  • Try steeper base curve (if available)
  • Over-refraction
  • Note and record direction of the orientation mark
  • Contact Cantor & Nissel with results

Steep Fit

  • Less than 0.5mm movement with blink
  • Large bubbles may be evident
  • Lens rotating
  • Resists push-up test
  • Try flatter base curve (If applicable)
  • Over-refraction
  • Note and record direction of the orientation mark
  • Contact Cantor & Nissel with results

A 8 Nissel KII Soft fitting set is available*

Material Base Curve Range Diameter Range Power
GMA 8.00 to 8.60 14.50 Stock

* 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.