Ngakhale kuti mandala wamba angakumane ndi zosowa za anthu tsiku lililonse, koma ndi kuchuluka kwa anthu ovala zolinga, malinga ndi malo opanga ma lens apanga mandala ogwirira ntchito omwe nthawi zambiri amagwiritsa ntchito.
Mwachitsanzo, magalasi a buluu otsutsana ndi mafoni ndi makompyuta, magalasi osokoneza a dzuwa mu chilimwe, maulendo oyendetsa usiku pafupipafupi oyendetsa anthu ...
Kwenikweni, zitha kudziwika kuti ndi mtundu wa mandala omwe amapangidwa ndi mfundo zingapo komanso madigiri osiyanasiyana.
Nthawi zambiri, pali madera anayi: Dera lakutali, kudera lakumapeto, malo opita patsogolo, malo opunduka kumanja (nawonso malo otumphukira).
Mandala ali ndi mawonekedwe osawoneka komanso otchuka kwambiri ~
Magulu azoyendandizoyenera anthu
Mu ntchito yeniyeni, zomwe zingakuweruzo ngati munthu ali woyenera kuvala magalasi opita patsogolo ayenera kutsimikiza malinga ndi zosowa za makasitomala. Pambuyo posankha ngati makasitomala ali oyenera anthu, ogwira ntchito athu ayenera kuchita zolondola kwa iwo kuonetsetsa kuti ali ndi mankhwala oyenera agalasi.
ZisonyezeroMagulu azoyenda
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2. Omwe akubanda omwe sakhutitsidwa ndi mawonekedwe a mabisi kapena a Troocals.
3. Anthu a 40s ndi 50s omwe angolowa gawo la "Presbopia".
4. Yang'anani kutali ndi anthu omwe amasinthana pafupipafupi: aphunzitsi, olankhula, oyang'anira.
5. Ofotokozera anthu anthu olankhula (mwachitsanzo, atsogoleri aboma amavala magalasi opita patsogolo).
Contraindication ofMagulu azoyenda
1. Nthawi yayitali kuti muwone ogwira ntchito oyandikira: monga kompyuta kwambiri, zojambula, zojambula zojambula, zojambula zomanga zomanga;
2. Ntchito yapadera: monga madokotala a mano, olemba mabuku, (chifukwa chogwiririra ntchito zapamwamba kuti muwone oyendetsa ndege, oyendetsa ma rier kuti awone pafupi) kapena gwiritsani ntchito m'mphepete mwa mandala kuwona chiwerengero cha anthu andamale, kusuntha kwambiri, kuchita masewera olimbitsa thupi;
3. Odwala omwe ali ndi Anisometropia: Maso ndi aniometropia> 2.00d, Column Degree> 2.00D, makamaka makamaka;
4.Konso kuposa 2.50D ("kugwiritsa ntchito + 2.50D", kuwonetsa kuti maso apanga madigiri 250.);
5. Zaka zopitilira 60 (kutengera thanzi);
6. Iwo omwe nthawi zambiri amavala kuwala kwawiri (chifukwa cha malo oyandikira ogwiritsa ntchito pawiri ndi pang'ono pokha ndi malo ogwiritsira ntchito malo opita patsogolo, padzakhala osachedwa);
7. Odwala ena omwe ali ndi matenda amaso (glaucoma, cataract), strabismus, digiri yapamwamba kwambiri sayenera kuvala;
8. Matenda oyenda: amatanthauza kuphatikiza kwa chizungulire ndi chizungulire chomwe chachitika chifukwa chosasamala mobwerezabwereza, matenda osokoneza, ndi amuna ndi akazi.; Kuphatikiza apo, odwala omwe ali ndi matenda oopsa komanso artimaosclerosis, pomwe matenda awo sawalamulidwa bwino, nthawi zambiri amawoneka chifukwa cha kuchuluka kwa magazi osakwanira, nthawi zina amathanso kuyambitsa vasospasm, ndipo mutu;
9. Anthu omwe ali ndi vuto potengera magalasi;
Chinsinsi chaMagulu azoyenda: One Smometryry
Kuyang'ana patali ndi osaya, ndipo mwapang'onopang'ono ndi wozama.
Chifukwa cha kuchuluka kwa maulendo opita patsogolo poyerekeza ndi mandala amodzi, maulumu opita patsogolo sangakhale ndi malingaliro abwino kudera lakutali, komanso amaganiziranso zomwe zili pafupi kwambiri kuti zitheke omasuka kuvala.
Pakadali pano, kulondola kwakumwamba "kuyenera kugwiritsidwa ntchito pakugwiritsa ntchito kuwala koyandikira, motero myopia akuwunika kuwala kwakutali sikuyenera kukhala" mozama kwambiri " , apo ayi "zazikulu" zowonjezera zimapangitsa kuti makhadi agwetse.
Pakuwunika kuonetsetsa kuti malingaliro owoneka bwino kwambiri komanso omasuka mkati mwazinthu zosiyanasiyana, kuwunika kwakutali kwambiri, kuwala kwa mandala opita patsogolo kuyenera kukhala osaya komanso kuwunika kwakutali.
Kusankha ndi kusintha kwazopindika zopita patsogolomafelemu
Cholinga chopita patsogolo kwambiri ndichofunikira posankha chimango choyenera ndikusintha. Chisamaliro chazoyenera ziyenera kulipidwa ku mfundo zotsatirazi:
Kukhazikika kwa chimango ndichabwino, mogwirizana ndi mawonekedwe a kasitomala, nthawi zambiri sayenera kusankha kuwonongeka kwa mawonekedwe opanda phokoso, kuonetsetsa kuti kupindika kwakumaso kwa chimango ndi kuwonekeratu.
Chilungamo chiyenera kukhala ndi kutalika kokwanira, komwe kumayenera kusankhidwa malinga ndi mtundu wa mandala osankhidwa. Kupanda kutero, ndizosavuta kudula pafupi ndi mawonekedwewo mukadula m'mphepete:
Malo am'madzi amphuno a mandala adzakhala okwanira kuti akhale ndi malo okhalamo; A Ray-ARD SERME ndi mafelemu ena okhala ndi pansi mpaka pansi pa mphuno pafupi ndi gawo la masomphenyawo ndi yaying'ono kuposa mawonekedwe, choncho sioyenera galasi yolunjika.
Mtunda wamaso a mandala (mtunda pakati pa veteriorior wa mandala ndi vertex ya majeremusi, omwe amatchedwanso mtunda wa vertex) uyenera kukhala wocheperako osagwira ma eyelashes.
Sinthani mbali yakutsogolo ya chimango mogwirizana ndi mawonekedwe a omwe akhudzidwa (pambuyo pa chimango ndi chokwanira, chingwe cholumikizira cha mphete ndi mphete ya galasi nthawi zambiri, ngati digiriyi ndi yayikulu kwambiri, Makona akutsogolo amatha kusinthidwa kukhala akuluakulu), kuti afanane ndi nkhope ndi nkhope momwe angathere, kuti athandizire kukhalabe gawo lowoneka bwino.
Post Nthawi: Desic-05-2022