Home
Products
Innovation & Comfort
Resources
Company
Find a pharmacy or optician Contact us
Comfort & safety · Clinical performance

Clinical performance

Measured, not marketed. Our lenses perform highly and outperform comparable lenses in clinical studies—every claim backed by evidence, independent testing and real-world data.

A Clearlii lens under examination in the laboratory
Key benefits

Performance snapshot

The headline metrics behind the comfort.

95%

Comfort rating

Over 95% of trial participants rated comfort “excellent” or “very good”.

ISO

Independently verified

Every performance metric is tested to recognised ISO standards.

100k+

Wearers a year

Trusted in daily practice by wearers and clinicians across the Nordics.

Clinical Performance detail
Safety & biocompatibility

Science before promises

Every Clearlii lens is examined in studies, checked by experts and put through rigorous quality controls before it is packed. From oxygen permeability to tear-film stability, we verify before we claim.

01Multicenter clinical studies
02Independent laboratory verification
03Rigorous batch quality control
Clinical data highlights

Detailed comfort & safety data

Two evidence packs are available for practitioners and informed wearers.

95%

rated comfort “excellent” or “very good” in multicenter studies.

CE & ISO

full compliance across every production batch.

RWE

real-world evidence from hundreds of Nordic practices.

Download the full Comfort & Safety reports (PDF)
JE

"We would rather earn trust with evidence than with marketing—because our customers’ eye health depends on it."

Johan Ek · Head of Clinical Affairs, Clearlii
Wearer testimonials

Trusted in daily practice

Eye-care professionals on prescribing Clearlii with confidence.

"As an ophthalmologist, I recommend Clearlii because the data genuinely backs up the comfort."
DM

Dr Müller

Ophthalmologist · Berlin

"Finally a fairly-priced lens I can stand behind clinically without hesitation."
OH

OptikHaus

Optician group · Sweden

"Patient satisfaction noticeably improved across the practice after we switched."
HL

Dr Lind

Eye clinic · Oslo

Clinically proven. Professionally trusted.

Explore the evidence or find Clearlii near you—comfort you can count on, backed by science.

References

  1. Papas, E. S. (2014). The significance of oxygen during contact lens wear.
  2. Data on file. Clinical study of silicone-hydrogel soft contact lenses.
  3. Data on file. Effect of drug delivery from two vitamin-loaded contact lenses with two concentrations on visual fatigue.
  4. Literature: Wöhlk Wesen, et al. Edge profiles of hydrogel contact lenses and their effect on fitting and wearing characteristics.
  5. Senna Akkaya Turhan, Ebru Toker (2015). Dove Press Journal. Optical coherence tomography to evaluate the interaction of different edge designs of four silicone-hydrogel lenses with the ocular surface.
  6. We recommend the use of a pair of CE-marked sunglasses with 100% UV protection in combination with your lenses, for full UV protection of the eye.
  7. Applications of Hyaluronic Acid in Ophthalmology and Contact Lenses. Won-Hsin Chang et al. Molecules 2021, 26, 2485.