Yes, there is the special glasses that can be good for the people with colorblind people. It is the ColorMax Technologies, Inc., in California that developed the lenses. It became one of the first optometrists to both wear and prescribe them to improve his red green colorblindness. Like wearing sunglasses, the special glass will enhance reds for the color blind people. The famous designer EnChroma produces lenses with special optical coatings that selectively filter the light coming through to enhance the wearer's view of colors. If these glasses work as advertised, it could help people with color blindness read things like traffic signals and fashion cues more accurately. If you want to buy one, you could go to the amazon to have a search and go to the real store of the eyeglasses where will sell such kind of eyeglasses to the large possibility.
Well, actually there are many kinds of glasses which can be used by color blindness people who have difficulty in distinguishing some colors. Long before, there was a German scientist who wrote about the possibility of restoring color vision with lenses. However, it wasn't until the twentieth century that many began to experiment with tinted glasses to help people who were colorblind. So now you can try tinted glasses to help you. And generally speaking, the process of using tinted glasses to improve colorblindness is very simple. First, you should know that the colorblind person should use a tinted lens on the non-dominate eye. In this way, it will make both eyes to see different colors because both sides of the brain will work together to get information from the side using the tinted lens. Anyway, it is very convenient. And you can just surf them online shop.