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1.56 Ngā arotahi whatu HMC hina, papatahi, tapawhā kikorangi, tapawhā-rua, tapawhā-papatahi
Ka taea e ngā mōhiti whakarerekē tae te whakarerekē tae i te aroaro o te māramatanga, pērā i te parauri, te mangumangu rānei i te māramatanga kaha o waho, ā, ka taea e ngā mōhiti mārama i roto i te whare te tiaki i ngā kanohi, inā koa te ārai i te hihi ultraviolet me te tātari mārama kikorangi.
Mō te hunga he myopia e hiahia ana ki te mau i ngā mōhiti kanohi ki te haere ki waho, ka taea e ngā mōhiti huri tae te whakaiti i te taumahatanga o te whakakapi i ngā mōhiti me ngā mōhiti kanohi myopic, ā, ka taea hoki te whakaoti i te raruraru he uaua ki ētahi wāhine te kawe i ngā mōhiti maha me te kore he pēke.