Ndingapeze bwanji magalasi oyenera?

Kodi ndi zinthu ziti zomwe zimafunika kuti zigwirizane ndi magalasi oyenera?

Zithunzi za Optometry

Choyamba tiyenera kukhala ndi deta yolondola ya optometry. Pakati pawo, mandala ozungulira, mandala a silinda, malo axial, acuity, interpupillary mtunda ndi zina ndizofunikira. Ndi bwino kupita ku chipatala chokhazikika kapena malo akuluakulu opangira kuwala kapena sitolo ya optical kuti mudziwitse dokotala za cholinga ndi machitidwe a maso a tsiku ndi tsiku, ndikupeza chidziwitso chabwino kwambiri cha Kuwongolera.

Chidule Kufotokozera Kwa Dzina Lonse

R (kapena OD) Diso lakumanja Ngati maso akumanzere ndi akumanja ali ndi mphamvu zosiyana, chonde tcherani khutu

L (kapena OS) diso lakumanzere

S (Sphere) Kuchuluka kwa myopia kapena hyperopia, + kumatanthauza hyperopia, -kutanthauza myopia

C (Silinda) Lens yozungulira Mlingo wa astigmatism

A (Axis) Malo a axis Mzere wa astigmatism

PD Interpupillary mtunda Mtunda pakati pa malo a ana akumanzere ndi kumanja

Mwachitsanzo:

1. Diso lakumanja: myopia 150 madigiri, myopic astigmatism madigiri 50, astigmatism olamulira ndi 90, kuwongolera kuona bwino ndi magalasi ndi 1.0, diso lakumanzere: myopia 225 madigiri, myopic astigmatism ndi 50 madigiri, astigmatism 8 olamulira. kuwongolera kowoneka bwino ndi 1.0

Lens yozungulira S Cylinder lens C Malo axial A kuti akonze masomphenya

R -1.50 -0.50 90 1.0

L -2.25 -0.50 80 1.0

2.Diso lakumanja myopia 300 madigiri, astigmatism 50 madigiri olamulira 1; diso lamanzere myopia 275 madigiri, astigmatism 75 madigiri olamulira 168; mtunda wa interpupillary 69mm

Zida zamafelemu

Pali zinthu zambiri zopangira chimango, nthawi zambiri zitsulo, pulasitiki, ndi utomoni. Pakati pawo, chimango chachitsulo cha titaniyamu chimakhala chopepuka komanso chofewa, ndipo chimakhala ndi anti-allergenic komanso kukana kwa dzimbiri, chomwe ndi chinthu chabwino kwambiri.

Masiku ano, magalasi azithunzi zazikulu ndi otchuka kwambiri. Chomwe chiyenera kukumbutsidwa ndi chakuti abwenzi omwe ali ndi mphamvu zakuya sayenera kutsata zochitikazo ndikusankha mafelemu akuluakulu posankha chimango, chifukwa choyamba, magalasi ozama kwambiri adzakhala ochuluka kwambiri, ndipo chimango chachikulu chidzapanga magalasi. zoyenera kwambiri. Ndizolemera kwambiri, ndipo ndizosavuta kutsetsereka mutavala magalasi, zomwe zingayambitse kupatuka kwapakati pa kuwala kwa magalasi. Kachiwiri, mtunda wa interpupillary wa akuluakulu ambiri ndi pafupifupi 64mm, ndipo chimango chachikulu chidzasuntha panthawi yokonza, zomwe zidzatulutsa ma prisms mosavuta, zomwe zidzakhudza maonekedwe abwino. Ndibwino kuti musankhe N1.67 kapena N1.74 refractive index for high number lens. Anzanu a mphamvu zochepa amayesa kuti asasankhe magalasi a theka-rim ndi opanda malire, chifukwa magalasi ndi ochepa kwambiri, ndipo magalasi amawonongeka mosavuta pakagwiritsidwa ntchito.

Kuphatikiza apo, tiyeneranso kulabadira kukula kwa chimango posankha chimango. Mungagwiritse ntchito deta ya kukula pa akachisi a chimango chakale monga chofotokozera kusankha chimango chatsopano.

Kusankha kwa mandala

Magalasi amapangidwa ndi galasi, resin, PC ndi zipangizo zina. Pakali pano, chodziwika bwino ndi pepala la utomoni, lomwe ndi lopepuka komanso losalimba, pomwe magalasi a PC ndi opepuka kwambiri, amakhala ndi mphamvu yolimbana ndi mphamvu ndipo samasweka mosavuta, koma amakhala ndi kukana kwa abrasion komanso nambala yotsika ya Abbe, yomwe ndi yoyenera kuvala. panthawi yolimbitsa thupi.

Mndandanda wa refractive womwe watchulidwa pamwambapa, wokwera kwambiri wa refractive index, wochepa thupi la lens, ndipo ndithudi mtengo udzakhala wokwera mtengo. Muzochitika zabwino, 1.56 / 1.60 ndi yokwanira ngati kutentha kuli pansi pa madigiri 300.

Kuphatikiza pa refractive index, coefficient ina yofunika ya mandala ndi nambala ya Abbe, yomwe ndi coefficient yobalalika. Nambala ya Abbe ikakulirakulira, m'pamenenso masomphenya amamveka bwino. Pakalipano, refractive index ya 1.71 (zatsopano) Nambala ya Abbe 37 ndi kuphatikiza kwa refractive index yabwino kwambiri ndi nambala ya Abbe, ndipo ndi chisankho chabwino kwa anzanu omwe ali ndi manambala apamwamba. Kuphatikiza apo, tiyeneranso kutsimikizira zowona za magalasi ogulidwa pa intaneti. Nthawi zambiri, opanga zazikulu monga Mingyue ndi Zeiss amatha kutsimikizira zowona zamagalasi pa intaneti.

Maonekedwe a nkhope ndi mawonekedwe a chimango

Nkhope yozungulira:Ndi ya anthu onenepa pamphumi ndi m'munsi nsagwada. Mtundu uwu wa nkhope ndi woyenera kusankha mafelemu wandiweyani, makwerero kapena aang'ono. Mafelemu owongoka kapena aang'ono amatha kufooketsa silhouette yanu. Chonde sankhani magalasi okhala ndi mitundu yozama komanso yowoneka bwino, kuti muwoneke woonda. Potola, onetsetsani kuti m'lifupi mwake silotalikirapo kuposa gawo lalikulu la nkhope. Kukokomeza kwambiri kumapangitsa kuti nkhopeyo ikhale yaikulu kwambiri kapena yochepa kwambiri komanso yopusa. Pewani magalasi apakati kapena ozungulira. Ngati ndi mtundu waukulu wa mphuno, ndi bwino kuti muzivala chimango chachikulu kuti mukhale oyenerera. Mtundu wa mphuno yaing'ono mwachibadwa umafunika kachipangizo kakang'ono, kowala, kokwera kwambiri kuti mphuno ikhale yayitali.

Nkhope yozungulira:Ndi nkhope yooneka ngati dzira. Mbali yotakata kwambiri ya mawonekedwe a nkhopeyi ili kudera lakutsogolo ndipo imayenda bwino ndi symmetrically pamphumi ndi pachibwano. Ndondomekoyi ndi yokongola komanso yokongola. Anthu omwe ali ndi nkhope yamtundu uwu amatha kuyesa zinthu zosiyanasiyana, square, ellipse, inverted triangle, etc. zonse zili zoyenera, mumabadwa kuvala magalasi a magalasi, ziribe kanthu kuti ndi njira yanji yomwe ili yoyenera kwa inu, ingomvetserani kukula kwa chiŵerengero. . Mutha kusankha chimango chopingasa chomwe chili chokulirapo pang'ono kuposa mzere wa nkhope yanu. Chojambula chowonekera cha titaniyamu chidzapangitsa nkhope yanu kukhala yokongola komanso yokongola.

Square face:mawonekedwe otchedwa Chitchaina nkhope. Nkhope yamtunduwu nthawi zambiri imapereka chithunzi chakuthwa m'mbali ndi ngodya komanso mawonekedwe okhwima. Choncho, muyenera kusankha magalasi omwe sangangotsitsimula mizere ya nkhope, komanso amawonetsa maonekedwe a nkhope moyenera. Mafelemu amaso okhala ndi mafelemu oonda, oblate kapena masikweya okhala ndi m'mphepete mozungulira ayenera kukhala chisankho choyenera. Mtundu woterewu wa chimango ukhoza kufewetsa mbali yotuluka ya nkhope, ndikupangitsa kuti nkhope ya sikweya iwoneke mozungulira komanso yayitali pamawonekedwe.

Nkhope ya katatu:Kwa mtundu uwu wa mawonekedwe aang'ono, ndiwoyenera kwambiri mafelemu ozungulira komanso ozungulira kuti muchepetse mizere yolimba ya nkhope yanu. Magalasi owongolera amatha kupanga bwino zofooka za makolala akuthwa ndi amfupi.

Nkhope yooneka ngati mtima:Kunena zowona, ndi nkhope yambewu ya vwende, ndiko kuti, yokhala ndi chibwano chosongoka. Anthu omwe ali ndi nkhope yamtunduwu ayenera kuyesetsa kupewa kugwiritsa ntchito mafelemu akuluakulu ndi akuluakulu, chifukwa izi zidzapangitsa nkhope kukhala yotakata komanso yochepetsetsa. Mukhoza kusankha mawonekedwe ozungulira. Kapena chimango chozungulira kuti chifanane ndi mawonekedwe a nkhope yanu.

Kodi ndizodalirika kugula magalasi pa intaneti?

Magalasi a pa intaneti amawoneka kuti amapulumutsa ndalama, koma kwenikweni pali ngozi yowonongeka kwa maso! Magalasi a pa intaneti sakhala osamala ngati sitolo yakuthupi pamagawo onse a ntchito ya optometry, kusankha, ndi ntchito zogulitsa pambuyo pake.

Optometry utumiki

Optometry ndi njira yaukadaulo yachipatala. Timagawira magalasi m'masitolo akuthupi, ndipo madokotala amaso nthawi zambiri amapereka chithandizo chamaso mosamala kwambiri kuti tipeze mawonekedwe omwe amagwirizana bwino ndi zomwe timachita tsiku ndi tsiku.

Ngati mukufuna kufanana ndi magalasi pa intaneti, choyamba, kulondola kwa deta ya optometry sikungatsimikizidwe. Anzanu ena amasankha kugula magalasi pa intaneti atayeza nambala m'chipatala. Apa tikuyenera kukumbutsa aliyense kuti optometry ya zipatala zambiri zamaso sizitengera zomwe timachita m'maso. , Malo ogwirira ntchito, ndi zina zotero, pambuyo pa deta yomwe yapezedwa ili ndi magalasi, pangakhale mavuto osiyanasiyana monga kuwongolera mopitirira muyeso, komanso kuvala kwa nthawi yaitali kungayambitsenso kuwonongeka kwa maso.

Kusankha chimango

Ndikukhulupirira kuti aliyense ali ndi chokumana nacho chotero. Zitha kutenga nthawi kuti mugule mafelemu kuposa zovala. Izi ndichifukwa choti sitiyenera kusankha mafelemu owoneka bwino, komanso kuvala momasuka, mopepuka, popanda kumangirira nkhope, ndi hypoallergenic. Izi zimafuna kuti tisankhe m'modzim'modzi m'sitolo yakuthupi, mpaka titasankha chimango chomwe timaganiza kuti timavala ndi chowoneka bwino, chomasuka, komanso chamtundu wabwino. Panthaŵi imeneyi, kalalikiyo adzatipatsanso mwachidwi malingaliro otithandiza kusankha.

Ngati mwasankha kugula chimango pa intaneti, kasitomala amangotaya zithunzi zambiri ndikukulolani kuti mumve nokha. Pakalipano, palinso mawonekedwe a nkhope ya munthu, kuyika zithunzi kumatha kukhala ndi zotsatira zomveka, koma mosasamala kanthu kuti zidzakhala "chinyengo chazithunzi", chitonthozo chake ndizovuta kutsimikizira. Ngati kubwerera ndi kusinthanitsa nthawi, mphamvu, katundu, etc. ndi kutaya kwakukulu.

Pambuyo-kugulitsa utumiki

Magalasi sagulitsidwe kamodzi, ndipo ntchito yawo yogulitsa pambuyo pake ndiyofunikanso. Pakadali pano, masitolo onse owoneka bwino adzapereka m'malo mwa mphuno zaulere, kusintha kwa chimango, kuyeretsa magalasi ndi ntchito zina, zomwe sizipezeka m'masitolo a Taobao. Masitolo a Taobao nthawi zambiri amapereka zotsukira ma lens kapena kulonjeza kusintha mafelemu kwaulere, koma amafunikira Wogula amanyamula katundu ndi zina zotero.

Ngakhale masitolo a Taobao angathandize mopanda malire makasitomala kusintha mafelemu, ndizovuta kukwaniritsa zosintha zomwe zimakwaniritsa zosowa za makasitomala.