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 October 29, 2020 at 6:21 pm #1166 misspurpleParticipant Has anyone tried the SAD Bright Light therapy mentioned above? I am considering trying it.