Rayban Sunglasses

All Rayban sunglasses are optcial class 1, with highest quality optical properties.  They conform to the essential safety requirements of the PPE directive 89/686/EEC and meet the health and safety requirements of major international standards.

The sun emits radiation in the form of tiny particles of energy called photons.  The radiation includes harmful ultra-violet (uva & uvb) radiation, which is known to cause long term damage to our skin and eyes.  The uv400 lenses fitted to all Rayban sunglasses provide 100% protection against this harmful UV radiation.

Filter categories:

Lenses are available in various shades and a range of colours and tints.  The European standard helps you choose sunglasses by providing a system of filter categories that describe the darkness of the tint.  These filter categories are explained below.  It is important to remember that all Rayban sunglasses offer the same level of UV protection whatever the filter category.

Filter category 0
80 - 100% light transmittance
clear or very light tint
recommended use - dimmed brightness

Filter category 1
43 - 80% light transmittance
light tint
recommended use - low brightness

Filter category 2
18 - 43% light transmittance
medium tint
recommended use - medium brightness

Filter category 3
8 - 18% light transmittance
dark tint
recommended use - high brightness

Filter category 4
3 - 8% light transmittance
very dark tint
recommended use - exceptionally high brightness

Categories 0 - 3 are not suitable for driving at night or under conditions of poor light

Category 4 is not suitable for driving or road use.