When it comes to buying sunglasses considering your face shape & size is important.
Also you need to consider different aspects like frame shape, lenses, colour and so on.
Sunglasses not only protect us from UV radiations but also give us a stylish look.
There are different types of frames available like:-
1. Oval.
2. Cat-eye.
3. Pilot or aviator.
4. Semi-Rimless.
5. Way-farer.
There are also different types of lenses:-
1. High index plastic lenses.
2. Glass lenses.
3. Polycarbonate.
4. Polarized.
5. Photo chromic lenses.
6. Lens coating.
1) Green lenses: Green lenses absorb 85% of visible light & block out most of blue light.
2) Plastic lenses: The plastic Ray-Ban lenses is best in transitioning from dark to light with precise chemical process.
3) Dark lenses: All the dark lenses are not good at protecting our eyes from UV radiations.