subject: Prescription Sunglasses Have Both Downside And Upside [print this page] While most people know that sunglasses are generally used to shield the eyes from bright sunlight, there are actually prescription sunglasses and non-prescription sunglasses. Along the history of sun shades, non-prescription ones have been the majority. However, prescription sunglasses as a combination of regular eyeglasses and sunglasses now come as a new option for people who need both vision aids and UV and sunlight protection. Nowadays, prescription sunglasses also account for a certain portion in the market. In fact, sunglasses with a power have both pros and cons.
Using prescription sunglasses eliminate the need to flip on those clip ons or slide in lenses. Without the help from prescription sunglasses, it can be quite inconvenient to add clip ons to regular clean-lenses prescription eyeglasses when the sunlight is present. In this case, these clip ons are considered as extra accessories lying around. They are quite bothersome while getting entertainment on the beach. In addition, clip ons may cause negative effects while being caught in pubic. Users of prescription sunglasses can stay with fashionable statement while being able to see clearly. Using prescription sunglasses on the beach eliminate the wearers need to worry about getting water in the eyes.
Participating in some outdoor activities such as driving, people with a vision problem usually have to carry around two pairs of glasses. This is because prescription sunglasses can also cause problem. When there is a sudden change in the weather, it is more convenient to flip up the clip ons. A possible case is that it suddenly becomes overcast or a storm happens while driving a car down the road. Switching to regular prescription eyeglasses usually take more time and involves unsafe factors.
Since prescription sunglasses are not perfect, there is a viable compromise called transition lenses which are light sensitive and will darken or lighten automatically according to lighting level in the environment.
