UV Ray
7% of this type of radiation in the sunlight but damage is permanent and cumulative. The ozone layer filters only a part of it, the rest of UV radiation (in particular UVB and UVA) causes harmful and irreversible effects on eyes and skin such as cataracts or burns in a short time. There is clear evidence and a large consensus around the need of fully blocking the UV light up to 400nm in an ophthalmic lens.
Blue Light High Energy Visible Light (HEV)
30% of this type of radiation in the sunlight but can go beyond 45% in white LED affects melatonin, a hormone that regulates sleep, alters the natural circadian rhythm oy altering sleep.