These days, number of colorful eyewear wearers is keeping a rapid growth. Many glasses-wearers don’t have an idea of choosing the right color of bifocals. Following is some suggestions and advices.
Gray reading glasses, or light-colored top-down change slowly progressive lenses should be the first choice for most of them. They have the same effects to the transmission of different spectrums. Brown lenses are also a good choice. It has one characteristic is to see distant objects better. Jade-green lenses will enable you have ease of mind and help relieve eye strain. In order to match your dress and make-up, you can also choose other light colors.
People use some certain colors to protect themselves in industry. For example:
- deep red lenses are used by X-ray medical personnel.
- yellow ones make shooters see clearly in the fog.
- Dark green lenses are usually used by electric welders.
- Blue lenses are for steelworkers to work beside high temperature furnace.
Some work is quite demanding to the visual acuity, color and distance. Therefore, the bus drivers, surgeons, art workers should choose colorless transparent lenses. What consequences do so if not to have?
Suppose drivers wear dark-colored lenses, accidents tend to happen because they cannot judge the distance correctly.
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