He aha te tirohanga? He whakarāpopototanga noa iho...
Ki te whakarapopoto, ko te tirohanga te tukanga e mahi tahi ai ō kanohi me tō roro ki te hanga pikitia mā te whakamahi i te mārama e whakaatahia ana e ngā mea e karapoti ana i a koe. Ko tētahi o ō tātou mātāpuna matua e rima. He maha ngā tāngata e mārama ana ki te ao mā te tirohanga. Whakaarohia te rerekētanga o ō tātou oranga me te kore he tirohanga!He pēhea te mahi a ō tātou kanohi? He tikanga whakamiharo!
Ka tīmata te tukanga o te tirohanga ina kitea e ō kanohi te mārama, ka hurihia hei tohu io. Kātahi ka haere ēnei tohu mā roto i ō io whatu ki tō roro. Ka whiwhi te roro i ēnei tohu, ka whakamārama, ka hanga i te ahua e kite ana koe. Ka tino tere te mahi o tēnei, he maha ngā wā i te hēkona.He rite ngā kanohi ki te kāmera?
Ae, he maha ngā wā ka whakatauritea e tātou ō tātou kanohi ki ngā kāmera. Engari i roto i te ao tūturu, he rerekē te āhua. He hangarau te kāmera i hangaia i runga i te kanohi tangata. Whakaarohia, he karāhe arotahi tō te kāmera. Koinei te mea e kohi ana i te mārama, ā, e tuku ana ki tētahi pūoko motuhake i roto i te kāmera. Ka hurihia e taua pūoko te mārama hei tohu hiko. Kātahi ka tukatukahia e tētahi rorohiko iti i roto i te kāmera taua tohu hei whakaahua. Ka taea e koe te whakarite i te arotahi o te kāmera, e whakahaere ana i te nui o te mārama e whakaaetia ana ki roto. He karāhe arotahi anō hoki ō kanohi. Ka kohi ēnei i te mārama, ā, ka tuku ki te retina i roto i te kanohi. He rite tēnei retina ki te pūoko i roto i taua kāmera, engari he tino matatau ake, he uaua ake hoki. Ka hurihia te mārama e tau ana ki te retina hei tohu io, ā, ka tukuna ki te roro. Ko ngā pūkenga motuhake o aua kāmera, arā, te 'arotahi' me te whakahaere i te mārama, ka mahia aunoatia e ō kanohi. Ka whānui ake, ka whakawhāiti rānei te mowhiti pango i roto i tō kanohi ( te karu ) hei whakahaere i te nui o te mārama e uru ana ki te kanohi. Waihoki, ka hurihia e ngā uaua i roto i te kanohi te āhua o te karāhe arotahi, ka hangaia he 'arotahi' kia mārama ai te kite i ngā mea i ngā tawhiti rerekē.He aha te retina? He aha te mea ka tupu i reira?
He momo pūtau tino motuhake, tino tairongo hoki tō retina . Ka karangatia ēnei he kaiwhakawhiwhi whakaahua , ko tōna tikanga he "pūtau e whiwhi ana i te māramatanga." Ina pā te māramatanga ki ēnei pūtau, ka puta ngā tauhohenga matū me te hiko i roto i a rātou. Koinei te huarahi e whakakōrero ai ēnei pūtau i te māramatanga hei tohu io. E rua ngā momo matua o ngā kaiwhakawhiwhi whakaahua:- Ngā pūtau tokotoko (`Rods`):Ko te nuinga o ēnei ka kitea ngā panonitanga o te kaha o te mārama. Ko ēnei pūtau te hunga e āwhina ana i a koe ki te kite i ngā mea i ngā wāhi pōuri me te mārama iti.
- Ngā koeko: He tairongo ake ēnei pūtau. Ka taea e rātou te kite i ngā taipitopito iti me te wehewehe i ngā tae rerekē.
Te Tūranga o ngā Io Whatu
He rite ō io whatu ki ngā taura raraunga. Ka haria e rātou ngā tohu mai i te retina ki ngā wāhanga rerekē o te roro. Ka haere ēnei tohu mā roto i ngā io whatu, ka tae atu ki ngā wāhanga o te roro e whai kawenga ana mō te wetewete me te mārama ki ngā tohu.Ko te roro te kaiwhakatau whakamutunga!
Ko te taahiraa whakamutunga, ko te taahiraa tino nui hoki, ka puta i roto i tō roro. Ka whiwhi te roro i ngā tohu kua whakakōrerotia e puta mai ana i roto i ngā io whatu, ka wetewete i aua tohu, kātahi ka whakamahi i aua mōhiohio hei hanga i tētahi "ahua" o ngā mea e kitea ana e ia kanohi.Whakaarohia, ina pānui koe i tēnei rerenga kōrero, ka uru atu hoki ngā wāhanga o tō roro e āwhina ana i a koe ki te mārama ki te reo me te maumahara ki ngā maharatanga. Koinei te huarahi e taea ai e koe te mārama ki ēnei kupu, te maumahara ki ō rātou tikanga, me te maumahara ki ngā maharatanga e pā ana ki aua kupu.Arā, i runga i tāu e kite nei, ka mahi tahi ngā wāhanga rerekē o te roro hei mārama katoa ki taua ahua.
He aha ngā mate ka pā ki te tirohanga?
Nā te mea he maha ngā wāhanga me ngā hanganga o te tinana e mahi tahi ana i roto i te tirohanga, ka taea e ngā mate maha te whakararuraru i tēnei tukanga. Ka taea e ētahi āhuatanga te pā ki ngā wāhanga neke atu i te kotahi o te pūnaha tirohanga. Anei ētahi momo mate ka pā ki te tirohanga:- Ngā mate kanohi: Hei tauira, te katarata me te karāma .
- Ngā mate e pā ana ki te retina me ngā io whatu: Ngā āhuatanga pēnei i te retinopathy mate huka .
- Ngā mate e pā ana ki te roro: Ka pāngia te tirohanga e ētahi momo whiu , e ngā pukupuku roro rānei.
He rerekētanga kei waenganui i te "kite" me te "tirohanga"?
He maha ngā tāngata, ngā tohunga, tae atu ki ngā kaipūtaiao, e whakamahi ana i ngā kupu "tirohanga" me te "tirohanga" hei whakawhitiwhiti. Engari ehara i te mea kotahi tonu. Ka taea e koe te whakamahi i ō pūkenga tiro ahakoa kāore e taea e koe te kite i tetahi mea (hei tauira, mā te hanga whakaahua i roto i tō hinengaro). Waihoki, kei reira ētahi mate roro e pā ana ki te kaha o tō roro ki te whakamārama i ngā mea e kitea ana e ō kanohi. Hei whakamārama ake i tēnei: He pūkenga tinana noa iho te tirohanga . Arā, ka kitea e ō kanohi te mārama, ka hurihia hei tohu hiko me te matū, ka tukuna atu ki tō roro. Me āhei te tirohanga ki te whakamārama i ngā tohu e puta mai ana i ō kanohi. Ki te kore taua māramatanga, kāore he hua o ngā tohu e tukuna ana e ō kanohi ki tō roro. Ahakoa he āhua rerekē te whakaaro ki ēnei mea e rua he mea motuhake, kei reira ētahi mate roro e pā ana ki te tirohanga me te kore e whakararuraru i te tirohanga. Hei tauira, he mate e kiia nei ko te Visual Agnosia . He pai te tirohanga a te hunga whai mate nei, engari kāore e taea e ō rātou roro te mārama i ngā mea e kitea ana e rātou. Ko tētahi atu tauira motuhake o tēnei ko te kore e taea te mōhio ki ngā kanohi (`Prosopagnosia`, `Matapō Kanohi` rānei) . Ahakoa e kite ana ēnei tāngata i ngā kanohi, kāore e taea e rātou te mōhio ko wai rātou. He āhuatanga tino pōuri tēnei, kāore?Me pēhea te tiaki i ō tātou kanohi utu nui? Kia mahara ki te mahi i ēnei mea!
He maha ngā mea ka taea e koe te mahi hei pupuri me te tiaki i tō tirohanga. Ko ētahi o ngā mea tino nui ko:- Te hiranga o ngā whakamātautau kanohi auau: Me tirotiro tonu ngā kanohi o te katoa, tae atu ki te hunga he tirohanga noa (`tirohanga 20/20`). Mā te whakamātautau kanohi ka kitea ngā raruraru kāore pea koe e mōhio, e kite rānei. Ko ngā hapa tirohanga , pērā i te tirohanga tata (`Myopia`) te tirohanga tawhiti rānei (`Hyperopia`), ka ngaro pea te tirohanga. Kāore pea koe e kite i te tīmatanga. Mā te whakamātautau kanohi ka kitea ēnei raruraru i mua i tō kitenga.
- He mea nui kia tiakina ō kanohi: He mea nui kia tiakina ō kanohi i ngā āhuatanga e tūpono ana te pakaru. Ka taea e ngā mōhiti tiaki, ngā karu kanohi , ngā ārai kanohi, ngā parepare rānei te āwhina i tēnei. He huarahi pai hoki ngā karu rā hei tiaki i ō kanohi. Ka tiakina ō kanohi mai i ngā hihi UV kino.
- Whakaarohia hoki te kai totika: Kia pai ai te mahi a ō kanohi, me whai huaora ētahiE hiahiatia ana ngā momo me ngā matūkai. Mena he pātai āu mō tēnei, ka taea e koe te kōrero ki tō tākuta whānau, ki tētahi tākuta kanohi rānei.
- Kaua e wareware ki te korikori tinana: E hono ana te hauora o ō kanohi ki te hauora o tō tinana katoa. Mā te korikori tinana auau ka āwhina i te pupuri i te hauora o ō kanohi (me te toenga o tō tinana).
- Āraia te momi hikareti me te whakamahi tupeka: Ka pā kino te momi hikareti, te vape, me te ngaungau tupeka ki tō hauora me tō tirohanga. Mā te whakamutu i te momi hikareti (me te kore rānei e tīmata) ka nui te rerekētanga.
- Ki te pāngia koe e ngā panoni ohorere o tō tirohanga, pērā i te ngaronga o te tirohanga, rapua tonutia he awhina hauora! He tohu tōmua ēnei o tētahi raruraru nui. Ko te ngaronga ohorere o te tirohanga he take nui ki te rapu awhina hauora. Mena he mate hauora tōu ka taea te whakararu i te tirohanga, i ngā panonitanga rānei, mā tō tākuta, mā tō tākuta kanohi rānei koe e kī atu āhea koe e rapu awhina hauora ai.
Karere Tangohia ki te Kāinga
Ki te tini o te tangata, ko te tirohanga te mea nui rawa atu e whakamahia ana e rātou i ia rā. Ahakoa he pūkenga ngāwari noa iho, ko tētahi o ngā tukanga tino uaua o roto i tō tinana. Kia pai ai te mahi a tō tirohanga, me mahi tahi ngā wāhanga katoa o ō kanohi, te retina, ngā io whatu, me te roro.He maha ngā mea ka taea e koe te mahi hei tiaki i ō kanohi utu nui. Kātahi ka taea e koe te arotahi ki ngā mea e hiahia ana koe kia kite, kaua e manukanuka ki ngā mea kāore e kitea e koe. Nō reira, kaua e wareware ki te tiaki pai i ō kanohi!
Tirohanga , Tirohanga Kanohi, Retina, Io Whatu, Hauora Kanohi











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