Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 어느날 갑자기 찾아온 시력저하ㅣ시각장애 진행과정과 장애판정, 솔직한 나의 이야기ㅣ시각장애 전조증상ㅣ색약ㅣ망막질환 추체이영양증. That video is uploaded by 별빛정인 STUDIO DEAR J at 2021-05-14T01:30:04-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [o4km3TERaaY]