Dec 01 2020
Photochromic lenses are eyeglass lenses that are clear (or nearly clear) indoors and darken automatically when exposed to sunlight. This is the result of chemical responses to the presence of ultraviolet light.
The most popular brand of photochromic eyeglass lenses sold in the Singapore is Transitions Lenses. Because of this, some people — including some eye care practitioners — refer to photochromic lenses as "Transitions lenses". But there are other brands of photochromic lenses available as well.
Photochromic lenses are very useful for driving, sports, and outdoor activities. Th..
Dec 01 2020 Blue light blocking lenses are the “IN” thing now in the lens market. In this article, I will explain what is blue light, the advantages and disadvantages of having a blue light filter lens.
Where does blue light come from?
Blue light is found everywhere.Sunlight is the main source of blue light. Most people are aware that sunlight contains visible light rays and also invisible light e.g. Ultraviolet light that can tan or burn the skin. Visible light consists of 7 colours namely; Violet, indigo, blue, green, yellow, orange and red. Out of the 7 colours, blue light rays with the shortest..
Dec 01 2020 Most of the time we don’t really give much thought to our vision until something goes wrong. Given the fact we’re living in an age of “information overload,” life has become very busy. Sometimes we’re not aware something is not functioning properly until the warning signals start to go off. When it comes to foods that are good for your eyesight, it takes more than just eating carrots.