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He mowhiti mā kei tō kanohi? (Arcus Senilis) Kia mōhio tātou ki tēnei!

MBBS

Medically reviewed by MBBS — Updated on Jul 15, 2026 · 9 min read

He mowhiti mā kei tō kanohi? (Arcus Senilis) Kia mōhio tātou ki tēnei!
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Ina titiro koe ki te whakaata, kua kite koe i tētahi mowhiti mā, hina, kikorangi rānei e karapoti ana i tō kanohi pango? Kua kite pea koe i tēnei i roto i ngā kanohi o ō mātua, o ō koroua, o ō kaumātua rānei. He tokomaha te hunga e mataku ana ina kite i tēnei, e whakaaro ana mēnā he mate kino tēnei ki te tirohanga pērā i te katarata. Engari he aha rawa tēnei? He mea hei wehi? Me kōrero tātou mō tēnei i tēnei rā.

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He aha rawa te Arcus Senilis?

He whakarāpopototanga noa iho tēnei, he mowhiti ngako, he lipid rānei, he mā, he hina, he kikorangi rānei, e hanga ana i te taha o te cornea o tō kanohi.

Kia mārama tātou ki tētahi mea mō ō tātou kanohi.

  • Cornea: Koinei te wāhanga mārama, piko o te kanohi e kapi ana i te iris me te pupil i waenganui o te kanohi. He rite ki te matapihi i roto i tō mātou whare. Ka arotahi i te mārama e tomo ana ki te kanohi, ā, ka āwhina i a mātou ki te kite.
  • Ārai: Koinei te wāhanga e homai ana te tae ki te kanohi. He parauri ngā kanohi o ētahi tāngata, he mangu ngā kanohi o ētahi.
  • Sclera: Koinei te wāhanga mā o te kanohi.

Nō reira, ko ngā putunga ngako i kōrerotia e tātou ka puta i te taha o waho o te cornea, te wāhanga mārama o te kanohi. I te tīmatanga, ka tīmata tēnei hei pewa e rua i runga ake, i raro iho hoki, ā, i roto i te wā, ka taea te whanake hei mowhiti katoa.

Ka rerekē te ingoa mō tēnei āhuatanga i tō pakeketanga.

  • Arcus Senilis: Mena kei waenganui i te 50-60 tau te pakeke, neke atu rānei, ko te ingoa o tēnei mowhiti ko 'Arcus Senilis'. Ko te tikanga o "Senilis" i te reo Latina ko "te koroheketanga". Tata ki te katoa e 80 tau te pakeke ka kite i tēnei mate. He wāhanga noa iho tēnei o te koroheketanga. Nō reira, ki te pāngia tētahi kaumātua e tēnei mate, kāore he mea hei manukanuka.
  • Arcus Juvenilis: Engari ki te mea kei raro iho koe i te 40 tau te pakeke, ā, kei a koe tēnei mowhiti, ka kiia ko 'Arcus Juvenilis'. Ko te tikanga o "Juvenilis" he "rangatahi". He tohu pea tēnei i ētahi wā mō tētahi atu mate hauora kei roto i te taiohi. Nō reira, he mea tino tika kia āwangawanga koe.

Kaua e whakapoauau tēnei ki te katarata!

He pātai kei te nuinga o te tangata, mēnā he katarata tēnei. Ahakoa he rite tonu ēnei āhuatanga ki te kaumātuatanga, he rerekē rawa atu ēnei āhuatanga e rua.

Ko te mea nui, kāore tēnei mowhiti mā e kiia nei ko 'Arcus Senilis' e kino ki tō tirohanga. Heoi, ko te katarata he pōuriuri o te karāhe o te kanohi. Ka pōrearea haere te tirohanga, ā, i te mutunga ka hiahiatia he pokanga hei tango atu.

Kāore e hiahiatia he rongoā mō te Arcus Senilis, nā te mea kāore e pā kino ki te tirohanga. Kāore e hiahiatia he pokanga.

He aha i pēnei ai te āhua o te mowhiti huri noa i te kanohi?

Ka hangaia tēnei mowhiti, e ai ki tā tātou i kōrero ai i mua ake nei, mā te whakatakotoranga o ngā lipids, ngā ngako rānei, huri noa i te cornea o te kanohi. He momo lipids anō hoki te cholesterol. Inaa, ko te nuinga o tēnei mowhiti he cholesterol.

Engari ko te kitenga noa i tēnei, ehara i te mea he nui te cholesterol i roto i tō toto.

  • Mena kua neke atu koe i te 50-60 tau te pakeke: He hua noa tēnei o te koroheketanga. Ka taea te kohikohi ngako pēnei i te mea ka huri te tinana i a tātou e pakeke haere ana. He mea noa.
  • Mena he taitamariki koe, kei raro iho i te 40 tau te pakeke: He tohu pea tēnei mō tētahi mate hauora kei raro iho. Tērā pea ka whakapae tō tākuta, ā, ka whakahaerehia ētahi whakamātautau. Tērā pea nā:
  • Te taumata cholesterol teitei i roto i te toto
  • Ngā taumata triglyceride teitei i roto i te toto
  • Kua kitea hoki e ētahi rangahau he hononga i waenga i te mate whakamahi waipiro me tēnei āhuatanga.

Āhea koe me toro atu ki te tākuta?

Ahakoa he mate kino te 'Arcus Senilis' mō te hunga kaumātua, tera ētahi wā me toro atu koe ki te tākuta ina kitea e koe. Kia mārama tātou he aha aua mate.

He wā tino aro nui (rama whero!) Te take pea me te aha te mahi
Mena kei raro iho koe i te 40-50 tau te pakeke (Arcus Juvenilis) He tohu pea tēnei kei te nui ō taumata cholesterol, ētahi atu ngako rānei i roto i ō toto. Tērā pea nā tētahi mate ira e ahu mai ana i te whānau (familial hypercholesterolemia). He mea nui kia kite tonu koe i tō tākuta me te whakamātautau toto.
Mena kei te kotahi anake te kanohi te mowhiti (Unilateral Arcus Senilis)He tino āwangawanga tēnei āhuatanga. Tērā pea he tohu nō te aukati, he mate rānei nō te uaua carotid, he uaua toto nui i te kaki e tuku toto ana ki te roro. Tērā pea he tohu nō tētahi āhuatanga kino, pērā i te whiu, nō reira me rapu tonu i te awhina hauora.

Te rerekētanga i waenga i ngā mowhiti Arcus Senilis me Kayser-Fleischer

Ko tētahi atu mate e rite ana ki te 'Arcus Senilis' ko ngā 'mowhiti Kayser-Fleischer'. Heoi, he rerekē rawa ngā mea e rua.

  • Arcus Senilis: Nā ngā putunga ngako (lipid) i puta ai. He mā/hina/kikorangi te tae.
  • Ngā mowhiti Kayser-Fleischer: I hangaia e ngā putunga parahi . He parauri/kakariki te tae. Ka kitea i roto i te hunga he mate ira onge e kiia nei ko te 'mate Wilson'.

Ka taea te ārai i tēnei mea kei tupu?

Kāore e taea e tātou te aukati i te mate Arcus Senilis e puta mai ana i te koroheketanga. He tukanga taiao tēnei. Heoi, ka taea e tātou te aukati i te mate Arcus Juvenilis e puta mai ana i te nui o te cholesterol i roto i te hunga rangatahi, me te pupuri i te hauora o te ngākau whānui. Anei ētahi mea ka taea e tātou te mahi:

  • Kaua rawa e kai paipa. Ki te mea kua kai paipa kē koe, whakaritea he mahere hei whakamutu tonu.
  • Whakamātauria te mahi i tētahi mea pēnei i te hikoi, te oma, te eke pahikara rānei mō te 30 meneti pea i te rā.
  • Kia mau ki te taumaha hauora. He mea tino nui te pupuri i te taumaha e tika ana mō tō teitei.
  • Whakamahia he kai hauora mō te ngākau. Kaua e kai i ngā kai tere me ngā kai tukatuka he nui te hinu, te huka, me te tote. Tāpirihia he nui ake ngā kai pēnei i ngā huawhenua, ngā hua rākau, ngā pīni, ngā nati, me ngā ika. Ko ngā kai pēnei i te 'kai Mediterranean' he tauira pai mō tēnei.

Ki te kite koe i ētahi panonitanga ki te āhua o ō kanohi, inā koa he mowhiti pēnei, kaua e mataku, kaua hoki e warewaretia, engari me kōrero ki tō tākuta whānau, ki tētahi tākuta kanohi rānei. Mā rātou e tirotiro, ā, ka whakatauhia mēnā he mate e kiia nei ko te 'Arcus Senilis' nā te koroheketanga, ā, kāore he mea hei manukanuka māu.

Karere Tangohia ki te Kāinga

  • He mea tino noa te mowhiti mā/hina huri noa i te kamo (Arcus Senilis) i roto i te hunga neke atu i te 50-60 tau te pakeke, ā, he tohu noa, he tohu kore kino o te koroheketanga.
  • Kāore tēnei mowhiti e whakararu i tō tirohanga. Ehara i te katarata.
  • Mena he taitamariki koe, kei raro iho i te 40 tau te pakeke , kei te kanohi kotahi anake rānei tēnei mowhiti,I te mea he tohu pea tēnei nō tētahi mate hauora kei raro i te maru o te tinana, he mea nui kia toro atu ki te tākuta tonu.
  • Kāore he rongoā mō tēnei mate, engari he mea nui kia rongoāhia ngā mate pēnei i te cholesterol e hua ai tēnei mate.
  • He pai te whakahaere i te cholesterol mā te noho hauora (kai pai, whakakori tinana, me te karo i te momi hikareti) mō te hauora whānui.
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