Vision and spectacle lenses
What is age-related long-sightedness, or presbyopia?
Presbyopia is part of the natural ageing process and involves a loss of the eye’s accommodative …
How do I clean my spectacle lenses?
Tips for proper spectacle lens care
- Clean the lenses with a dedicated spectacle lens cleaner and …
Does Optiswiss offer a full range?
Yes, we offer the complete range of state-of-the-art lenses, from single-vision lenses to close-up …
What are single-vision lenses?
Single-vision lenses have the same prescription strength across the entire surface of the lens to …
What are ‘relax’ or ‘wellness’ glasses?
Optiswiss Relax lenses with the "Advanced Relax Zone" have been specifically developed for the …
What are near-vision lenses?
As more and more people work at a computer, both professionally and in their leisure time, it is …
What are progressive lenses?
Progressive lenses are spectacle lenses that enable sharp vision at all distances – from far away, …
Does Optiswiss offer lenses for myopia management?
Yes, with SMYLE lenses, Optiswiss offers a smart choice for young eyes.
SMYLE lenses offer the best …
Does Optiswiss offer specialist solutions for road traffic conditions?
Yes, HD RoadSafe Lenses offer the perfect solution for the high demands placed on your vision during …
What specific products does Optiswiss offer for sport and leisure?
The challenge in the production of sports lenses is the high demand for functional vision. Strong …
Are ophthalmic lens frames also part of the Optiswiss product range?
Yes, with the two collections Comfort and Sport we offer complete solutions for different target …
What are complete spectacle frames?
A complete pair of glasses consists of a frame and two prescription lenses. They are offered as a …
What are anti-reflection coatings?
The requirements for a spectacle lens are very high. Lenses should be resistant to:
- Mechanical …
Do Optiswiss lenses protect against blue light?
Yes, Optiswiss lenses can protect against blue light. This protection can be provided by the lens …
Do spectacle lenses offer UV protection?
Thanks to a special anti-reflective coating or the lens material itself, spectacle lenses offer 100 …
What is short-sightedness?
Short-sightedness (myopia) is a type of refractive error. It means that nearby objects are seen …
What is long-sightedness?
Hyperopia (long-sightedness) is a refractive error in which nearby objects appear blurred, whilst …
What is astigmatism?
Astigmatism is a common refractive error that can occur alongside short-sightedness or long-sightedn …
What does visual acuity refer to?
Visual acuity describes the ability of the eyes and the visual system to recognise objects, details …
What is accommodation?
Accommodation refers to the eye’s ability to adjust the curvature of the lens depending on the …
What information is included on the spectacles card?
The spectacle certificate is personalised and relates to a specific manufacturing order. It contains …