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 10, 2020 at 6:59 pm #1476 bigmommaParticipant that’s a good thing to know. I am old and been using the protection as a precaution ever since.