Is blue light similar to UV light?

Optometry Blogs | Gary L. Morgan, OD | We concluded the last blog with a question: Which type of light do you feel is more dangerous to your patients, UV light or visible light including blue light? Of course, answers to questions can always be up for debate. read more

I noticed that a blue LED emitter can cause many fluorescent dyes/pigments in common household items to glow. Pink, orange, and yellow fluorescent colored objects all glow, but green fluorescent colored objects do not. read more

It is, in that both blue and UV light are waves in the electromagnetic field. The only difference is that UV light is light of higher frequency (think more “wiggles” per unit of length) compared to blue light. read more

However, by and large, UV light does not reach the retina. On the other hand, visible light does reach the retina. Blue light, sometimes referred to as high-energy visible (HEV) light, encompasses 400 nm to 500 nm. Numerous studies confirm that cumulative lifetime exposure to blue light causes photo-oxidation of retinal cells that leads to AMD. read more