NEW

Delta Scleral

UK ONLY

Delta Scleral

Product information

This unique lens provides a simple diagnostic fitting process with easy-to-follow steps.

  • Correction of Myopia
  • Correction of Hyperopia
  • Correction of Astigmatism
  • Correction of refractive error caused by corneal irregularities including Keratoconus
  • Front Surface Toric
  • Edge Vaults (maximum of 2)*
  • Quad Haptic*



*Quad Haptics AND Edge Vaults are available to have on the same lens.

  • Optimum Extra Roflufocon UV DIII 4 (100) Blue, Clear
  • Optimum Infinite Tisilfocon UV A III 6 (180) Blue, Clear
  • Fitting sets = Optimum Extra Non-UV Clear
  • Diameter 15.50, 16.50, 17.50
  • Power -/+ 30.00D (0.25D steps)
  • Cyl -15.00DC to -0.25DC (0.25DC steps)
  • Axis 1° to 180°
  • Central clearance, Steep Sag, Limbal Clearance, Edge alignment can all be adjusted to a maximum of -/+ 1000 microns (50 micron steps).

All measurements are in mm unless otherwise stated.

12 months maximum. Replacement frequency is at the discretion of the eye care professional.

Optimum Extra Non-UV Clear
  1. Select diameter based on HVID, <= 11.4 use 15.50, 11.5 – 12.3 use 16.5 and >= 12.4 use 17.50
  2. Select initial sag, for non-ectatic eyes use 4400, deeper sags for more advanced ectasia/proud grafts
  3. Aim for 300 – 350 microns of clearance on application i.e. 1:1 with lens thickness
  4. Allow the lens to settle for 30 minutes
  5. Assess clearance centrally and mid-peripherally in all four quadrants
  6. Annotate flat axis markers
  7. Review edge alignment flat and steep
  8. Over refract
  9. Populate order form with required changes
  10. Send order form digitally to orders@cantorbarnard.co.uk

15.5

Dx # BC Pwr Sag
1 8.50 Plano 3800
2 8.10 -1.00 4100
3 7.80 -2.00 4400
4 7.50 -3.00 4700
5 7.20 -4.00 5000
6 6.95 -5.00 5300

16.5

Dx # BC Pwr Sag
7 8.70 Plano 4100
8 8.30 -1.00 4400
9 8.00 -2.00 4700
10 7.65 -3.00 5000
11 7.40 -4.00 5300
12 7.10 -5.00 5600

17.5

Dx # BC Pwr Sag
13 9.00 Plano 4.400
14 8.55 -1.00 4.700
15 8.15 -2.00 5.000
16 7.80 -3.00 5.300
17 7.50 -4.00 5.600
18 7.25 -5.00 5.900
*Delta Scleral requires a fitting set, click HERE to order yours.

When ready to order your lens, fill out an ORDER FORM and send digitally to Cantor Barnard via orders@cantorbarnard.co.uk

Cantor Barnard Delta Scleral

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Download our order form

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Download our fitting guide

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Cantor Barnard

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.

To place an order on our website, please login using the form below.

Once logged in you will find options to order products, 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