Sunglasses
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Sunglasses are tinted glasses that protect the eyes from sunlight. Some of the most popular brands include:
Common frame styles include
- Aviators - Frames with a double bar nose bridge and often teardrop shaped lenses.
- Wayfarers - Thicker plastic frames with metal dots at the top corner of the glasses.
- Wraparound glasses - Where the lenses are curved around the face, offering greater protection and a wider field of vision.
Common lens tints include
- grey - A neutral color
- 'brown - A color that gives better contrast and a "warmer" hue
- green - Ideal for golf and certain other sports
- yellow - good for overcast conditions, computers or night driving.
Tint intensities. The darkness of a lens tint is usually categorized in percentage or a category of four system.
- Category one tints are the lightest and mainly for fashion usage. Category one tints are usually 10 or 20% tinted.
- Category two tints are great for photophobia caused by indoor florescent lighting and correspond with 30% to 50% darkness
- Category three tints are standard sunglass level 60% to 80% tint.
- Category four tints are for the brightest of sunny days. These tints are usually 75% to 90%.
