Contact lenses are practically a new concept for most people. A lot of people still prefer to wear glasses in order to correct their own visual problems. But sometimes, using eyeglasses present some disadvantages that need to be addressed. If a person is regularly wearing eyeglasses of the ordinary sort, he is likely more susceptible to glare and the occasional reflective properties of glass that can greatly affect his clear vision. Varying weather conditions might also affect eyeglass wearers in a lot of ways. When its raining, ones eyeglasses can easily get hazy from the raindrops and can render it useless in an instant.
On cold days, eyeglasses tend to fog up more often especially when going inside warmer quarters. One will need to wipe it frequently just to get rid of the moisture and get a clearer vision on everything as well as to avoid being laughed at for having fogged up eyeglasses. And one of the most despised things about wearing eyeglasses is that it can make one look unattractive. This is actually the frequent complaint of a lot of many people out there. Such disadvantages may have persuaded inventors to look for other alternatives in correcting vision...