Method 7 - Agent 939 LEDfx EyewearOverview Method Seven are known for top quality eyewear for use under grow lights. The lenses provide true colour in bright settings and are optimised for each type of light. General Information The Agent 939 Glasses frame has a curved base 8 lens along with temple pieces to ensure maximum protection from full spectrum lights. The lenses are polymer to guarantee protection against UV and IR rays.