RGP lenses

4F Design

4F RGP contact lenses

A high quality RGP lens for daily wear

This popular four curve RGP lens is available in a selection of materials, with a power range of -30.00D to +30.00D

4F Design

Product information

Standard Material is F2 Mid, but other materials can be ordered.

Material:   (F2 Low) Focon III 2

Refractive Index:   1.460

Permeability (Dk):   28 x 10 -11

Wetting Angle:   19°    

Tints: Blue, Grey, Green, Clear

 

Material:   (F2 Mid) Focon III 3

Refractive Index:   1.450

Permeability (Dk):   50 x 10 -11

Wetting Angle:   19°    

Tints: Blue, Grey, Green, Clear

 

Material:   (F2 High) Focon III 4

Refractive Index:   1.440

Permeability (Dk):   100 x 10 -11

Wetting Angle:   21°    

Tints:    Blue, Green, Clear, Grey

Base Curve (mm):   7.05, 7.12, 7.20, 7.27, 7.35, 7.42, 7.50, 7.57,

7.65, 7.72, 7.80, 7.87, 7.95, 8.02, 8.10, 8.17, 8.25, 8.32, 8.40, 8.47

Diameter (mm):  8.60, 9.00, 9.40 9.80, 10.20, 10.60

Power Range:  -30.00 to +30.00D (0.25 steps)

There are 2 fitting sets available*

12 lens set
Material Base curve range Diameter Power
RGP only 7.35 to 8.17 9.40 -3.00

20 lens set

Material Base curve range Diameter Power
RGP only 7.05 to 8.47 9.40 -3.00

* A registered account with Cantor Barnard is required.

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More information on fitting sets

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Place an order

Please be aware that Cantor Barnard is an Optician Only Contact Lens Manufacturer. Therefore, we do NOT sell to the general public unless you are qualified to fit contact lenses.

In order for us to approve your online account you must have an active Cantor Barnard Account number obtained from our accounts department.

We receive thousands of store requests a month.
If you have requested an online account and are still waiting for it to be approved, email us with your account number so we can approve this for you.

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Once logged in you will find the order forms for each product, here, at the bottom of each product page.

Eye conditions

Suitable lenses

Below are types of lenses offered by Cantor Barnard and the clinical indications in which they can be used for:

Sterile soft contact lenses

  • Myopia
  • Hyperopia
  • Astigmatism
  • Presbyopia
  • Symptoms that can co-occur with Academic Skills Disorders
  • Symptoms that can co-occur with Colour Deficiency
  • Masking of Cosmetic Defects of the Eye

Rigid gas permeable lenses

  • Myopia
  • Hyperopia
  • Astigmatism
  • Presbyopia
  • Keratoconus