Waitohu He waitohu a Tongming Vision Correction i hangaia mō tētahi pokapū whakatika kite mō ngā rangatahi me ngā tamariki. Ko te tikanga o te ingoa Tongming ko te karu whatu me te mārama, nō reira ka whakamahia te karu whatu hei huānga hoahoa matua. E toru ngā karu whatu me ngā taumata mārama rerekē kua whakaritea kia whakaatu i te hātepe whakatika mai i te rehurehu ki te mārama. Ka whakamahia te waitohu ki ngā kāri pakihi, ngā pukapuka tuhipoka me ngā pānui. Ka tāia ngā kāri pakihi me te huinga ōkawa-kore ki te pepa motuhake, ā, ka whakamahia e ngā pānui ngā rawa whakaahua ā-waho.