Kua tirohia tata atu e koe ō kanohi i roto i te whakaata? Ka kite koe i tētahi porowhita pango iti i waenganui tonu o tō kanohi, e mōhiotia ana ko te karu. Ko te mowhiti tae e karapoti ana i taua karu ko te mea e kiia nei e tātou ko te iris , ka tūhuratia e tātou i tēnei rā. Ki ētahi, he parauri; ki ētahi, he kikorangi, he hina, he kakariki rānei—he tino ataahua te momo, kāore? Engari i tua atu i tōna ataahua, he mahi nui tēnei wāhanga tae o tō kanohi mō tō tirohanga.
He aha te mahi tūturu a te āiri?
He whakarāpopototanga noa iho, ko tō āiri tētahi o ngā wāhanga nui o tō kanohi e āwhina ana i a koe ki te kite. Ko te mea nui, ko ngā uaua ngawari o roto i te āiri e whakahaere ana i te nui o te mārama e tomo ana ki tō kanohi.Tērā pea ka miharo koe ki te mōhio ka whakarite ēnei uaua i tō kamo—te pokapū mangu o tō kanohi—kia nui ake, kia iti ake rānei i runga i te māramatanga o tō taiao, he rite tonu ki te karu o te kāmera.
Whakaarohia pēnei: ina puta koe i tētahi rā kanapa, paki, ka kite koe kei te kanapa, kei te taumaha rānei ō kanohi ? I taua wā tonu, ka tere te urupare a tō karu ki te whakawhāiti i te karu, ka whakaiti i te nui o te mārama kaha e tomo ana ki te kanohi. Ina hoki koe ki tētahi wāhi marumaru, ki roto rānei i te whare, ka whakatikatika tō tirohanga i muri i ētahi wā. Koinei te pānga ke: ka whakawhanui te karu i te karu kia hopukina te nui o te mārama e taea ana, ka taea ai te whakauru atu i te mārama ki roto i tō kanohi. Ka kiia tēnei tukanga o te whakawhanuitanga o te karu ko te 'whakawhānuitanga' me te whakaititanga o te 'whakawhāititanga.' Ka puta aunoa ēnei mea katoa, me te kore e whakaarohia e koe. Kāore ianei i te tino mīharo?
Ko te mahi a te iris he ārai aunoa e whakahaere ana i te mārama e tae atu ana ki ō kanohi. Koia te take e taea ai e koe te kite mārama i roto i ngā āhuatanga mārama rerekē.
Kei hea te wāhanga tae, te iris, i roto i te kanohi?
Me titiro tātou ki te wāhi tika e noho ana te āiri. Whakaarohia tō kanohi he rite ki te riki; pērā i te riki he maha ngā paparanga, he maha hoki ngā paparanga o ō tātou kanohi. Kei muri i te paparanga o waho o te kanohi te āiri, e mōhiotia ana ko te kornea , ā, kei mua i te karu o te kanohi. Hei whakamārama, kei te taha tonu o te karu te āhua o tēnei hanganga tae.
He aha te āhua o te iris, ā, he aha ngā mea i hangaia ai?
E mōhio ana tātou katoa, ko te āiri te wāhanga e homai ana te tae ki ō kanohi. He hanganga papatahi, porowhita hoki. Ko te tae o ō kanohi ka whakatauhia e te nui o te tae taiao e kiia nei ko te melanin i hangaia i roto i tō tinana, me ētahi ira i riro mai i ō mātua. Koia te take he maha ngā whānau e ahu mai ana i ngā tae kanohi. He mea whakamiharo, he ahurei te tae o ō kanohi pērā i tō tapumati; kāore he tangata kē atu i te ao he rite te tauira āiri ki tōu.
Nā, he aha te mea i hangaia ai te āiri? He mea tito mai i ngā uaua me ngā io ngawari. Ka mahi aunoa ēnei (parasympathetically), me te kore e whai wāhi mai tō hinengaro, hei whakahaere i te rahi o tō kamo.
He aha ngā āhuatanga hauora ka pā ki te iris?
Tērā pea ka pā te āiri ki tētahi āhuatanga e pā ana ki te kanohi. Anei ētahi āhuatanga matua hei mōhio māu:
- Aniridia: He āhuatanga e ngaro katoa ana, e kore rānei e kitea tetahi wāhanga o te āiri.
- Te mate a Horner: He raruraru pūnaha io ka taea te whakawhāiti i te tauira o tetahi taha.
- Glaucoma: He āhuatanga e kino ai te io whatu i te pikinga o te pēhanga i roto i te kanohi; ka pā tika ētahi momo glaucoma ki te āiri.
- Te mate pāwera : Mā te iti o te hanga melanin ka tino mārama te tae o ngā kanohi, ā, i ētahi wā ka puta he māwhero.
- Te katarata: Ahakoa he kapua te arotahi o te kanohi i te nuinga o te wā, ka taea e ngā take kino, ngā pokanga rānei e pā ana ki te iris.
- Uveitis : Te mumura o te uvea, te paparanga waenga o te kanohi, tae atu ki te iris.
- Te mate Waardenburg: He āhuatanga ira ka rerekē ai te tae o ngā kanohi (hei tauira, e rua ngā kanohi rerekē te tae), ngā wāhi kiri, me te ngaronga o te rongo.
Mena ka puta he tohu whakamataku, he mea nui kia toro atu koe ki tetahi tohunga kanohi i taua wā tonu.
Ka aha mēnā ka whara te āiri?
Ka pāngia pea ngā hanganga o roto o te kanohi e tetahi whara, tae atu ki te iris. Ko te pānga ka whakawhirinaki ki te āhua o te whara. Ahakoa ka ora pea ngā karawarawa iti me te tiaki tika, ka taea e te whara nui te arahi ki te ngaronga nui o te tirohanga, te kino rānei o te kanohi. Nō reira, ki te pāngia koe e te whara kanohi, kaua e moumou taima - tirohia tonutia he tākuta kanohi, toro atu rānei ki te tari urupare tata.
Me pēhea te tirotiro i te iris?
I roto i te whakamātautau kanohi o ia rā, ka tirohia e tō tākuta kanohi tō āiri. I te nuinga o te wā ka whakamahia e rātou he taputapu motuhake e kiia nei ko te rama kutikuti hei tiki i te tirohanga mārama, whakanuia hoki o roto o te kanohi.
Mena kei te whakapae tō tākuta i tētahi āhuatanga motuhake, kei te hiahia rānei kia tirotirohia anōtia, me whai whakamātautau anō pea. Hei tauira:
- Matawai MRI (Whakaahua Āhua Aukume)
- Matawai CT (Tomography Rorohiko)
- Whakamātautau ultrasound
- OCT (Whakamātautau Āhuatanga)
Mā ēnei tikanga whakaahua motuhake ka taea e mātou te tiki tirohanga mārama, taumira teitei hoki o ngā hanganga tairongo o roto i ō kanohi.
Nā, me pēhea te tiaki pai i tō iris?
Hei whakarite kia noho pai tō karu kanohi—me tō hauora katoa hoki—āta whakaarohia ēnei mahi:
- Me mau tonu ngā mōhiti kanohi e tiaki ana i ō kanohi i te hihi UV katoa, me mau rānei he tapanga 'UV400' i a koe e noho ana i waho. Mā tēnei ka whakaitihia te mōrearea o te kino roa ki ō kanohi.
- Ki te kite koe i ētahi panonitanga o tō tirohanga—ahakoa he mea noa pēnei i te hiahia ki te hoko i tētahi karu tirotiro hou —kaua e tatari kia kino haere ngā tohu. Whakaritea he wā hui ki tētahi tākuta kanohi i te wā tonu.
- Ki te pāngia koe e te ngaronga ohorere o te tirohanga, te mamae nui rānei o te kanohi, me rapu tonu i te awhina hauora ohorere i te hōhipera tata. He tohu whakatūpato nui ēnei e hiahia ana kia awhina wawetia.
He kino ngā matawai āiri ki ō kanohi?
Kei te piki haere te rongonui o ngā matawai iris mō te iriti i ngā taputapu, ngā pūnaha haumarutanga rānei. Ka mahi ēnei matawai mā te tuku i tētahi iti o te mārama whero-whero ki tō kanohi hei tautuhi i ngā tauira ahurei. E whakaatu ana ngā rangahau pūtaiao o nāianei kāore he taunakitanga e whakaatu ana he morearea ēnei taputapu, he kino rānei ki ō kanohi. Kāore koe e manukanuka ki tō rātou haumaru.
Karere whakamutunga hei kawe ki te kāinga
He ahurei tō āriu kanohi, pērā i te tapumati. Haunga te hoatu i te tae motuhake ki ō kanohi, he mea nui anō hoki tana mahi hei āwhina i a koe ki te whakatere i tō taiao mā te whakahaere i te māramatanga. Hei tiaki i tō tirohanga mō te wā roa, he mea nui te tirotiro kanohi auau me te tohunga. Mā tēnei ka kitea wawetia ngā raruraru pea kia mārama tonu ai tō tirohanga ki te ao. Kei konei a Nirogi Lanka hei tautoko i tō haerenga hauora kanohi.
👩🏽⚕️ Ngā Pātai Auau (FAQs)
💬 He aha te āiri?
Ko te āiri te wāhanga tae o tō kanohi. Ko te nui o te tae (melanin) i roto i tō āiri e whakatau ana mēnā he kikorangi, he parauri, he tae kē atu rānei ō kanohi.
💬 He aha te mahi matua a te āiri?
Ko ngā uaua o roto i te āiri te kaiwhakahaere i te rahi o tō karu, e whakarite ana i te nui o te mārama e tomo ana ki te kanohi. I ngā taiao mārama, ka whakawhāiti hei whakaiti i te urunga o te mārama.
💬 Ka pāngia te āiri e ngā mate?
Ae, i ētahi wā ka mumura te ārisa (iritis). I ētahi wā, ka pāngia hoki e ngā mate onge pērā i te melanoma.
Kupumatua: Kanohi, Ārai kanohi, Tae kanohi, Ākonga kanohi, Tirohanga, Hauora kanohi, Ngā mate kanohi
