I te pikinga ake o te pāmahana, he tokomaha te hunga ka tīmata ki te mau i ngā mōhiti kanohi ina haere ki waho. Engari, he pono rānei kei te tiaki ō mōhiti kanohi i ō kanohi? Inaa, kāore te katoa e mōhio he mahi pūtaiao te whiriwhiri i ngā mōhiti kanohi. Mēnā he hē te whiriwhiri i ngā mōhiti kanohi, ka pā mai pea te glaucoma.Nō reiraHe aha ngā momo mōhiti kanohi e pai ana mō te raumati? Ahakoa he mea nui te āhua me te whakamarie ki te whiriwhiri i te takirua mōhiti kanohi tika, ka taea hoki e ngā karāhe tika te hanga rerekētanga nui.
He rerekē ngā taumata tiaki o ngā karāhe whatu rerekē, nō reira ka taea e koe te whiriwhiri i te karāhe tika i runga i ō hiahia ake.
1. Ngā Arotahi Tae
I te wā e hangaia ana, ka tāpirihia ngā matū hei hoatu i te tae ki ngā karāhe, kia taea ai e rātou te mimiti i te mārama o ngā roangaru motuhake. Koinei te momo karāhe e whakamahia whānuitia ana mō ngā mōhiti kanohi kua tohua. Engari kia mōhio koe kāore ngā karāhe pouri e tuku aunoa i te tiaki nui ake. Rapua te tiaki UVA/UVB 100% ina hoko koe i ngā mōhiti kanohi.
2. Ngā Arotahi Whakaahua-Kōrohiko
Kei roto i ngā karāhe arotahi whakaahua-ira, e mōhiotia ana ko ngā "karāhe arotahi whakaahua-ira", he matū hiriwa halide kei roto. Ka pōuriuri ēnei karāhe arotahi mārama, kore tae, hei karāhe arotahi tae ina pāngia e te mārama kaha hei tiaki i ngā kanohi, ā, he pai mō te whakamahi i roto, i waho hoki.Nō reiraKa mahi ngā karāhe arotahi hotochromic hei mōhiti rongoā me hei mōhiti rā, he otinga watea, katoa-i-te-kotahi e tiaki ana i ngā kanohi mai i ngā hihi UV o te rā, e whakaiti ana hoki i te kanapa me te mārama kikorangi.
3. Ngā Arotahi Pōroiti
Ko ngā karāhe porowhita he karāhe motuhake kua pania ki tētahi kiriata motuhake e anga poutū ana, e āhei ana i te mārama kia haere i te taha kotahi anake. Ka tātarihia e rātou te kanapa kaha, whakarara e whakaatahia ana e te rā i runga i te wai, i te whenua, i te hukarere rānei, ka whakangawari i te mārama kia pai ai te tirohanga, ka whakaitihia hoki te kanapa kia mārama ake ai te tirohanga o ngā mea. Ka taea e ngā karāhe porowhita te whakaiti i te kanapa mai i ngā rori uku, ngā pakitara karāhe, ngā mata wai me te hukarere, te whakakore i ngā whakaata me te kanapa, te whakarei ake i te rerekētanga tae i roto i ngā tirohanga, ā, ka whakarato i te ātete pai ki te mārama kaha.
Kāore i hangaia ngā mōhiti rā mō te ahua anake; he huarahi whai hua te mau i aua mōhiti hei tiaki i a koe anōtōungā kanohi mai i te kino o te UV. YKa taea e koe te tiki atu i ētahi atu kōrero mō ngā karāhe rā o te Ao mā te https://www.universeoptical.com/sun-lens/