Reply To: How can RLT improve eyesight when eyes are to be covered Home › Forums › Infrared Light Therapy › How can RLT improve eyesight when eyes are to be covered › Reply To: How can RLT improve eyesight when eyes are to be covered November 14, 2020 at 5:36 am #1612 CutiePie03Participant @bigmomma that’s a good thing to know. some old people find protection kind of irritating and refuse to use it.