Kuchepetsa kuya kwa myopia
Kanema
360 ma lens opita patsogolo
Chepetsani kutopa kwa maso ndikupewa kuchuluka kwa kuzama
Imaphwanya mawonekedwe a mphamvu yakuchulukira ya m'mphepete mwa mandala ozungulira komanso kutsika pang'onoMa lens a ASP.Zozungulira zozungulira za 360-degree zimachokera pakati pa mandala kupita ku mbali yozungulira.
Kukula kwa dipuloma ya mandala, ndikokulirapo kwa lens zoom cur vature (kusintha zokha25-200 madigiri) Chifukwa cha kusintha kwa maso ndi kuchepetsa mphamvu kuzunguliralens, kucheperako m'mphepete mwa lens, mphamvu ya prism imakhala yaying'ono, yomwe imachepetsa kutopa kwamasopowerenga ndi kulemba, kotero kuti mphamvu ya maso sizovuta kuya, ndi diso olamulirasichapafupi kukula.
Kupyolera mu kuyang'ana kozungulira kwa madigiri 360, kuphatikizidwa ndi kusintha kwachilengedwe kwa maso, kumatha kuthetsa kutopa kwamaso ndikuwongolera kutalika kwa diso.Kuchita masewera olimbitsa thupi nthawi zonse.
Lens yoyang'ana mphete imachepetsa defocus ya para-center ndikuchepetsa mawonekedwe osawona akhungu.Lili ndi gawo lalikulu la masomphenya, limapangitsa kuti likhale lomasuka kuvala ndi kuwona, limachepetsa kutopa kwa maso, limapangitsa kuti ntchito yolandirira ophunzira ikhale yabwino m'kalasi, ndipo maphunziro awo akupitiriza kukwera.
Mukayang'ana zinthu zomwe zili pamtunda wa mamita 5, maso safuna kusintha.Mukayang'ana mafonti patali (33mm), kusintha kwa maso ndi madigiri 300.Pamene wodwala myopia wa digiri 300 akuwerenga ndi kulemba popanda magalasi, amatha kuona mawonekedwe a bukhulo bwino popanda kusintha diso, ndipo masomphenya apafupi a wodwalayo amakhala abwino.Ngati muli ndi magalasi a myopia a digirii 300, muyenera kusintha ma degree 300 kuti muwone font bwino mukawerenga ndi kulemba pafupi.Izi zimawonjezera kusintha kwa maso.Patapita nthawi, maso sachedwa kutopa, olamulira maso amakakamizika elongate, ndi mlingo wa myopia adzakhala kwambiri.Choncho, magalasi a ordinar y (spherical surface, aspherical surface) ndi chinthu chofunika kwambiri (makamaka achinyamata) chomwe chimapangitsa odwala myopic kugwiritsa ntchito maso awo pafupi ndi kuonjezera mlingo wa myopia.
Myopia kupewa ndi kuwongolera mndandanda
● Gwiritsani ntchito ukadaulo wowongolera ma peripheral defocus control kuti muwongolere kusawona kwapakati ndi zotumphukira nthawi imodzi, kuletsa bwino diso la ana kuti lisatalike ndikuchepetsa kukula kwa myopia.
● Ndi magalasi apadera a masomphenya amodzi omwe alibe zone yowonekera, ndipo amatha kusinthasintha komanso kuvala.
● Poyerekeza ndi magalasi a maso a ordinar y single, ma lens ndi opepuka komanso omasuka.
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