• Green coloured lenses allow your eyes to see true colors. Green is a good choice for golfers, runners and cyclists.
• Brown coloured lenses add brightness to your vision. Brown lenses are great for high-glare outdoor sports like skiing, fishing and boating. For these kinds of activities you should also consider polarized brown lenses to further reduce the glare from reflective surfaces such as water.
• Grey coloured lenses tend to be darker than most other colours and are great for all-around use as daily sunglasses, especially in bright conditions.
• Amber coloured lenses help to reduce eye strain but also distorts colors. Amber is good for pilots, hunters, skiers and others who are engaged in all-day outdoor sports. GUNNAR Optiks produce eyewear specifically designed to help reduce eye-fatigue from screen glare in the office or while gaming for extended periods of time.
• Red or rose coloured lenses optimize the contrast between objects in green and blue backgrounds. Red is effective for golf, hunting, boating, sailing and hiking.

Sharon Freeman is an Australian freelance writer and blogger. She writes about eye care and about companies likehttp://paultaylor.com.au/

Selecting new sunglasses can be a little tricky, what with all the different shapes and sizes, but shopping for a new pair of sunglasses doesn’t have to be a daunting and difficult task. Here are a few pointers that should help you pick out the perfect pair.

5. Pick the right lens colour for your needs

All designer brands should meet these standards, but watch out for fake designer brands that you may find on holiday abroad, the low price may seem attractive, but it could be damaging to your eyesight if they don't offer the full UV protection. Similarly, be cautious of cheap budget sunglasses on racks in supermarkets or public market stalls, when it comes to your eyes, you can't be too careful.

As mentioned above, it's hard to beat the performance of Oakley sunglasses in a high-impact test. Imagine riding your bike to work or school and a passing truck flicks up a stone right into your eye – it's not an unlikely scenario. In this video, NASCAR driver Clint Bowyer gets a demonstration on just how good Oakley sunglass lenses are.

All good designer brands of sunglasses should be a safe option; many pride themselves on the quality of their lenses, going out of their OAKLEY HIJINX way to make a point about them, such as Dior's use of ZEISS lenses or Oakley's high impact tests being some of the toughest on the market.

4. Go for impact-resistant lenses for high-contact sports

This is the most important thing to consider when choosing a new pair. It has long been a known fact that prolonged exposure to extreme sunlight results to various eye diseases, including cataracts. Opt for a pair that allows for 400nm UV absorption. This translates to 100% UV protection.

2. Choose sunglasses that block 100% of the sun’s ultraviolet rays

People with a square face should pick cat-eye frame styles and classic oval frames. These styles best suit their strong jaw, squared chin, and broad forehead. On the other hand, people with a round-shaped face, require sunglasses with wider and more rectangular frame shapes, OAKLEY JUPITER SQUARED which help offset their fuller features. These styles also add definition to the soft curves of their face.