Yes, neon lights can cause some eye problems such as cataracts and damage vision. Because the neon light includes white, blue, infrared rays and ultraviolet rays, which are very bright, and harm cornea and iris to lead eye problems. Staring into high bright neon light, that can have the same effect on retina as using the sun's rays to make paper smoke or to start a fire using a magnifying glass, can cause permanent eye damage. Both ling time of exposure in neon light will cause eye damage, too.
Yes. It is really bad for eyes to see neon lights too much time. So, you shall reduce the time staying in neon light though they are beautiful. The shinning colorful lights from neon lights can make your your tired easily. And also, the halos and shinning eyes cause eye strain and discomfort in the eyes. Thought they don't have UV rays, , but the reflective lights from the neon lights still harmful to eyes.
Neon lighting consists of brightly glowing, electrified glass tubes or bulbs that contain rarefied neon or other gases. Neon tubes can be fabricated in curving artistic shapes, to form letters or pictures, which are mainly used to make dramatic, multicolored glowing signage for advertising. However, neon tubes can produce UV lights, which can hurt the back of your eyes, then the normal lights are not easy to be received. That is , neon lighting just like UV lights has a deep bad effect on the back of eyeballs and iris. That's why neon lighting will do harmful to eyes.