Short Answer – No, normal use of LED grow lights do not harm your eyes. There is a common misconception that LED grow lights are harmful for our eyes; and that they may even lead to blindness.Click to see full answer. In this way, are LED grow lights harmful to humans?Most wavelengths are not harmful. However, LED grow lights that put out ultraviolet light are harmful to your eyes. This includes but isn’t limited to fluorescent LED grow lights, HPS grow lights and metal halide grow lights. On the flipside, pure red lights aren’t harmful unless at a very high intensity.One may also ask, do you need glasses for LED grow lights? You should also focus on protection for eyes as well in LED grow room. You can use LED Grow Room Glasses to protect your eyes from the harmful lights comes from LED Grow Lights. Another major benefit of grow room glasses is, it will help you to see the actual color of plants. Additionally, can LED grow lights cause cancer? Likewise, most LED grow light manufacturers keep UVC out of their supplemental UV lights. However, most UV lights will contain UVA and UVB. As you probably know, UV rays can cause skin cancer with prolonged exposure and no protection. Exposure to UVA light has been linked to retinal damage such as cataracts.How do you protect your eyes from LED grow lights? Regular Sunglasses If you don’t care too much about the plants looking unnatural (i.e. pink/purple), then you can use a pair of regular sunglasses. Just make sure they protect from UV rays. Many glasses do not protect from UV-C. So make sure yours do, if you have a light that emits UV-C rays.