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Pū Mahi Lāzerā Aroha i te Whakatika i ngā Mīhini Kamo!

He mea tino whakaaro pea koe i ahea te hunga toitu e taea ana te whakatika i ngā kanohi o ngā tangata ki te mea kaore rātau i kitea pai? Nō te tahuri nui, ka whakamahi ngā take iwi i ngā pū mahi āhuarangi e mōhiotia nei he 'excimer lasers'! Ko ēnei pū mahi whakawai nei i te āhuatanga i whakamahi ai ngā take iwi i ngā take kanohi – ko ngā take pakihi pērā i a Alcon, Visx, Zeiss, B&L, Nidek, me Amaris kei te takoto i runga i te ara matua i te hanga i ēnei atu pū mahi e pai ana, e tino tika ana, me te hiahia nui rawa atu i mua i te wā. Tae noa mai, me haere tātou ki te mōhio i te āhua.

He aha te Pū Excimer Laser, me pēhea te mahi?

Ki te mōhio i te āhua i mahi ai ēnei pū lāzera, me mōhio tuatahitia tātou i te kanohi. Ko te kanohi he mea taurite ki te Hāpai Hauropi kāmera matihiko, me te whakawhiti i te māngai ki runga i te retīna anō ai i roto i te kauwhanga tūpono o te karu. Nā, kei te mea kei te heke noa atu te āhua o te kikokiko, ka kitea te whakaahua hei rereke ranei, hei moepepe ranei. Koinei ko te wā e taea ana ngā raeti excimer – ka taea hoki rātau te whakatika i te āhua o te korīnea (te wāhi mā o te karu, e harapaki nei i mua o te karu) kia taea e ia te whakawhiti i te māngai i runga i te pai ake.

Ka whakamahi ngā raeti excimer i te pū whenua ātaahua excimer (tērā pea "excited dimer"). Ki te hurihia he hapa hiko i runga i tēnei pū whenua, ka puta he kōpu whakahirahira o maha. Ka pai nui tēnei kōpu hei whakakore i ngā taumata iti o te tinana mai i te korīnea – iti ake i te whānui o te kiri tangata. Ki te whakatika i te korīnea i ēnei momo, ka taea e ngā rangatira whakangungu te whakatika i te āhua hei whakarite i ngā take kanohi, pērā ko te kotiro-mata-whero, te tāne-mata-whero, me te mata-ā-tae.

Nga Painga o te Whakamahi i ngā Raeti Excimer mo te Matekai Karu

Kei runga i ngā pūtake matua o ngā whakatika whatu tuatahi, e ai ki ngā kōrero, kei te pai ake ngā huringa e tūhono ana ki ngā whakahaere mō te whakatika i te āhuatanga whatu. E toru ngā whakamārama nei:

- Hauora: ina mea ko te mahi tohutohu o te raetari, ka heititi te uiui i ngā mate mō ngā whenua tuatahi. Kaore anō te raetari i te waihanga o te rahi, nā tēnei ka heititi ake te uiui mō ngā mate.

- Tohutohu: Kei te tino pai ngā huringa iti nui o ngā raetari excimer ki te whakarerekē i te kōnana, e hīnati ana i te mea ka taea e ngā rangatira hauora te whakapai i ngā pūtake mō ia tangata. Ko tēnei e taka ana ki te pai ake o ngā hua, me te iti noa atu ngā pānga kotahi.

- Wawe: Kei te mutu ngā whakahaere mō te whakatika i te whatu me ngā raetari excimer i te wā kia puta mai ki te kāinga te tangata whakahaere, arā, ka haere atu ngā kaimahi i te ipurangi tēnā rā. He wā iti noa iho hoki te mīhini, e 10-20 minuta rānei ki te mata. Ka kitea e te nuinga o ngā tangata i te whiwhi kaha i te wehe i te wā i muri i te mīhini!

: Tukuawhitia: I te whakarerekētanga o te kōnana, ka tū tonu ngā hua. Ko tēnei Haidrokarana e ui ana he tangata whai ora i runga i te mīhini ranga excimer e taea ana te whakamahana i te whatu pai ake mo ngā tau e toru tekau kia puta te wā.

Ngā Whakatupuranga i roto i te Teka Excimer

Kua noho te tekau o ngā tau te whakahaere i te tekau o ngā tau, engari ngā whakatupuranga o nāianei i whakapai ēnei mīhini hoki. Tatū ki ngā whakamihinare hou mai i ngā kauniware pēnei ko Alcon, Visx, Zeiss, B&L, Nidek, me Amaris:

- Teknoloji Wavefront: Ko te teknoloji wavefront tētahi huarahi e āheinga ana ngā rata ki te hanga i tētahi maunga hiraka noa iho o te uara matua me ngā herehere o te karu. Ka whakamahia tēnei maunga hei whakarite i te raetiwhai i te wā o te mīhini, whakaaturia ai ngā hua i runga i te waipū. Heoi pea, ko ēnei kauniware i tuhi i mua nei e whakamahia ana ngā raetiwhai wavefront hei excimer.

- Pūraho femtosecond: Ko ngā pūraho femtosecond he hunga whakangungu hou kei raro anō i ngā pūraho excimer. Nā ēnei pūraho i whakamahi i ngā waewae kohure o te matakite ki te hanga i ngā whakaritenga iti i roto i te kōnātu, whakaae atu ai te pūraho excimer ki te tata ki te urupa herehere. He aha e angitia ana te wāriu me te haumanu o te mahi.

- Pūraho iti: ko ēnei pūraho excimer hou kei raro, he iti noa atu rātau i ngā raupapa o mua. Ka whakaae mai rātau ki te wāhanga i runga i ngā momo wāhi kē, pērā i ngā kura tawhiti rawa rānei me ngā moemoeā kīwaha.

Me pēhea te whakamahi i te pūraho excimer mō te mīhini whatu

Ko te whakamahi i te pūraho excimer mō te mīhini whatu he mahi whaimana e hiahiatia ana ngā tohu me ngā rautaki. Enei āheinga matua nei ngā mahi kua whai wāhi:

- Tauarahere: ka whakapau karara te mata o te tangata whenua ki ngā kope anesetiki, ka whakauru hoki he kawe iti ki roto i te mata hei whakamahia i tōna tū tonu.

- Whakaputa flapa (ki te whakamahi i te raeti femtosecond): Ka whakamahia te raeti femtosecond hei whakaputa i tetahi flapa iti i roto i te kōrīnea, ka oti ki te whakaatu i ngā matū e raro nei.

- Whakatipu anō: Ka whakamahia te raeti excimer ki te tino whakakore i ngā itiiti o te kaiwhakaako i roto i te kōrīnea, ka whakatipu ia ki te whāinga whakarite.

- Whakahoki flapa (ki te whakamahi i te raeti femtosecond): Ka whakahokia ngā flapa kōrīnea me āhei, ka tīmata te kaiwhakaako ki te whakarite i te karu mā te whakatakoto i te konaki karu tirotiro hei tiaki i te hāpai.

Ka hia顿 to te tangata whakahaere kia noho moe i te wā iti, me te whakamahi i ngā pūoro karu waenga hei whakapepeha i te matekai, hei hāpai i te whakaora i muri i te mahi. Ka whakaaetia tōu rongoaā pohea e tōku rata.

Pūtake, Paihanga, me te Whakamahi o ngā Raeti Excimer

Ko ngā kōwhiringa e whai ana i ngā raetapu excimer, pērā i a Alcon, Visx, Zeiss, B&L, Nidek, me Amaris, kei te whakaaro nui ki te tuku o ngā mea pai rawa, whakamana, e meatia ana i ngā hiahia o ngā rangatira matatari me ngā mate. Kei te tuku rātou i ngā kura, āwhina, me te mīhini whakarere ki te whakamana i te mea heoi hoki e taea ana te whakamahi i ngā pūnaha i runga i te pai me te pūmau. Ko ēnei kāwanatanga hoki e whakatū mai ana i ngā momo whakatupu me te tirohanga ki te tirotiro atu hei whakapai i te hunga me te whakawhanake i ōna whakamahinga.

E whakamahia ana ngā raetapu excimer tonu hei whakatika i te whakamātau morehu matatari, engari ka taea e rātou te mahi i ngā whakamahinga atu i te tūroa. Hei tauira, Pūhanga Hāwhe kei te tirohia e ngā kairangahau ngā whakamahi o ngā raetapu excimer hei whakatika i ngā mate koromokewai, me te whakapai i te tuku rongoā ki te karu.