Te whakahaere myopia
-
Setto mitoopia whakahaere arotahi
Ka taea e Setto te mana whakahaere a Settoopia te puhoi i te kanohi o te kanohi ma te hanga i te Defocs Myocherac Defecherac.
Ko te hoahoa whakarereke o te Octagonal e whakaheke ana i te mana mai i te porowhita tuatahi ki te whakamutunga, ka huri haere te uara defocus.
Ko te tapeke o te defocus kei te 4.0 ~ 5.0d te mea e tika ana mo nga tamariki katoa me te raru o Myopia.