Diopter, he aha te mea te reira? He aha te mea tona pānga i runga i te whakakitenga?

Ko te wā mamati e māia te haere te ao, ka arahina ki te meka e tangata kua ki te mahi tahi me ngā i roto i te pā tata ki a ratou. Rorohiko, digitizer, ara taputapu tika kia hiahia ratou ako matou kanohi akina ki te mahi anake i roto i te aratau kotahi e kore i whakaratohia ai e te natura, a ranei. Ko te tikanga kua mahi i te reira ki te awhina o tīwhana whakapā mōhiti ranei ki te tetahi wae o tona kaha whatu. Kei te karanga a te reira "diopter". Tenei mehua uara, e kore uaua ki te kitea. Te āhei ki te arotahi i te kurupae marama i te wāhi kotahi, te tawhiti wae mamao i muri i whiti ratou i te arotahi ohu nei.

Ko te arotahi tūturu kanohi

arotahi tūturu pērā i roto i te arotahi tangata kanohi me te tahi atu he reo translucent, he reira e taea ki te huri i ona āhuatanga me i fakafalala ki te kaha o tona kaha whatu ko i 57-59 ki 70-70,5 m ^-1 (denoted rite diopter). Eaha te auraa o tenei i roto i te mahi? Ko te arotahi kanohi tūturu mahi arotahi kurupae i te tawhiti i 1/57 ki te 1 / 70.5 m na te huri i te curvature arotahi me te rahi, hanga ana e ia te hanga o te whakapakoko i runga i te etine. Ki te whakanui i te rahi 'Afio iti i roto i te aronga wä roa ranei, arata'i tenei ki te whakaaturanga hē. I roto i te take tuatahi, ka karanga myopia, e tika ana ki te tawhiti nui haere arotahi puta mua atu e tika ana. I roto i te rua i te mea katoa e pato'i: he iti wāhi mo te whakapakoko hanganga kanohi hyperopic, a kua hanga e te reira kua he mata ngä mo te kanohi - te etine.

Tīpakonga o tikanga o te ako kite

I roto i tenei take, e waiho he otinga whaitake ki te karanga ki te ophthalmologist, ko wai e taea e tiro i te fundus me tīpako te apatoko hiahiatia ki te hāngai tō kanohi, kua whakamahia tepu diopter mō tohunga tātaritanga. E whakaatu ana te reira i te hononga i waenganui i ngā rerekētanga i roto i te kanohi me ngā mana atatāhapa. Hoki tenei whakaaro, te tirohanga ki te uara e hiahiatia ana, marara ranei arotahi, me i tepu Sivtseva whakaritea e te pai kino ranei e tika ana mana arotahi (diopter whakatau tona mehua). E horo'a te reira i te manawanui? Ka taea e inaianei ia tika aru i te uara o ona "me" ranei "tango", me te tonu whiwhi tohutohu me te whakatikatika e tika ana. Heoi, ko te whakamahi o tīwhana whakapā mōhiti ranei e kore anake āwhina ki te whakapai ake i te kaha te kanohi o ki te arotahi (hei tauira, -1 diopter). He aha te mea nui, kahore feaa. Ka taea hoki e koe te whakamahi i arotahi whakapā tae ki te huri i te ahua ranei mōhiti ki mōhiti tikanga, me te anga utu ki te titiro pakeke. Otiia e kore e whiriwhiri i ratou ake tuku kōrero tae noa hei apatoko, no te mea i reira he maha tawhā pērā i te pūtoro o curvature o te arotahi, tuku rere marama o te tiaki UV me ētahi atu tikanga, te inenga o nei whakamana te anake e tohunga. I muri i te rangatira rangahau ka taea ki te humarie, me te whakamarie kakahu mōhiti arotahi whakapā ranei.

kanohi Healthy flawlessly

I muri i te rangatira rangahau ka taea ki te humarie, me te whakamarie kakahu mōhiti arotahi whakapā ranei. I ine iti i te täkupu o ± tuku kōrero 1 diopter kore ai e hiahiatia. Otiia ki te mea he nui te uara, na he pai ki te whakaiti i te mana o te arotahi i 0.5-1 m ^-1, i roto i nei take e kore e te kanohi e whakanuia rawatia tou ngenge iti e te mangere ranei. I muri i te pupuri i mataara o koutou hoa i roto i te reo - te kī o te hauora o te katoa.