Custom scleral lenses designed to bridge over both regular and irregular corneas. They offer protection, correction, comfort and stability and are easily fitted with a 12-lens trial set and an easy 3-step fitting process.
Diameter 16.50 or 18.20
Power -/+ 30.00D (0.25D steps) – higher powers may be available.
Apical Clearance – Increase maximum 5 steps/Decrease maximum 5 steps (1 step = 50 microns)
Limbal Clearance – Increase maximum 3 steps/Decrease maximum 3 steps (1 step = 50 microns)
Scleral Landing Zone – Increase maximum 5 steps/Decrease maximum 3 steps (1 step = 50 microns)
All measurements are in mm unless otherwise stated
Refer to our Nissel Sixteen-50 & Nissel Eighteen-20 fitting guide.
We offer a 12 lens fitting set:
| Nissel Sixteen or Nissel Eighteen-20 12 lens fitting set | |||||||||||||
| Diameter mm | 16.50mm or 18.20mm | ||||||||||||
| Power | Plano | ||||||||||||
| Lens | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
| Code | F3 | F2 | F1 | A | S1 | S2 | S3 | K1 | K2 | K3 | K4 | K5 | |
| SAG mm | 3.35 | 3.45 | 3.55 | 3.65 | 3.80 | 3.95 | 4.10 | 4.20 | 4.30 | 4.40 | 4.55 | 4.70 | |
*A registered account with Cantor Barnard is required.
12 months maximum. Replacement frequency is at the discretion of the eye care professional.
Download our fitting guide
Download our product brochure
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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Below are types of lenses offered by Cantor Barnard and the clinical indications in which they can be used for:
