Kwa ma lens a bifocal, pali mitundu yosiyanasiyana, monga ma bifocal apamwamba kapena ma round-segment bifocal.Optometrist kapena ophthalmologist adzadziwa mtundu ndi mphamvu za gawo la bifocal kutengera zomwe wodwalayo akufuna.Gawo la bifocal limaphatikizidwa mu mandala osamalizidwa, ndipo disololo limasinthidwanso kuti ligwirizane ndi chimango cha wodwalayo ndi malangizo ake.
Mofananamo, kwa magalasi opita patsogolo, omwe amapereka kusintha kwapang'onopang'ono komanso kosasunthika kuchokera patali kupita kufupi ndi masomphenya, dokotala wa maso kapena ophthalmologist adzalongosola mphamvu yeniyeni ndi mapangidwe a lens yopita patsogolo kutengera zosowa za wodwalayo.The semifinished pang'onopang'ono mandala ndiye makonda ndi akupera ndi kupukuta, poganizira chimango ndi wodwala mankhwala.
Njira yachikhalidwe ya Rx ingagwiritsidwe ntchito popanga magalasi a bifocal ndi opita patsogolo, kuwonetsetsa kuti masomphenya a wodwalayo akukwaniritsidwa.
HANN OPTICS ndiwotha kugulitsa magalasi osamalizidwa amitundu iwiri komanso yopita patsogolo.
Semi-malize | Bifocal | Zopita patsogolo | ||
Pamwamba Pamwamba | Zozungulira Pamwamba | Zosakanikirana | ||
1.49 | √ | √ | √ | √ |
1.56 | √ | √ | √ | √ |
1.56 Blue Dulani | √ | √ | √ | √ |
1.56 Photochromic | √ | √ | √ | √ |
Polycarbonate | √ | √ | √ | √ |
1.6 | √ | - | √ | √ |
Pls idamasuka kutsitsa fayilo yaukadaulo wamagalasi a Semi-Finished athunthu.
Zoyika zathu zokhazikika zamagalasi a Semi-Finished
Ma Semifinished Lens Bifocal & Progressives
Semifinished lens bifocal & progressives ndizofunikira kwambiri pamakampani opanga zovala zamaso, zomwe zimapereka mayankho osiyanasiyana kwa anthu omwe ali ndi presbyopia ndi zosowa zina zamasomphenya.Ma lens awa amapangidwa mwaluso kuti apatse ovala mawonekedwe owoneka bwino, omwe amakwaniritsa zofunikira zowonera pafupi ndi patali.
Magalasi a Bifocal ali ndi zigawo zosiyana, ndi gawo lapamwamba lomwe limapangidwira masomphenya akutali ndi gawo lapansi la masomphenya apafupi.Mapangidwe awa a bifocal amalola ovala kuti azitha kusintha pakati pa mtunda wosiyana momasuka, kuwapanga kukhala chisankho choyenera kwa anthu omwe amafunikira kuwongolera masomphenya pazinthu zapafupi ndi zakutali.
Magalasi opita patsogolo, kumbali ina, amapereka kusintha kwapang'onopang'ono pakati pa kuyang'ana pafupi ndi mtunda, kuchotsa mizere yowonekera yomwe ilipo mu magalasi a bifocal.Kupita patsogolo kosasunthika kumeneku kumapatsa ovala mawonekedwe achilengedwe komanso omasuka, zomwe zimapangitsa kuti aziwona bwino pamtunda uliwonse popanda kufunikira kusinthana pakati pa magalasi angapo.
Ma lens a Semifinished bifocal & progressives adapangidwa kuti azithandizira njira zomalizirira bwino komanso zolondola, zomwe zimathandiza akatswiri amaso kuti apange zovala zamaso zomwe zimagwirizana ndi zosowa zapadera za wovala aliyense.Ndi kapangidwe kawo kosunthika komanso magwiridwe antchito odalirika, magalasi awa amagwira ntchito ngati yankho lothandiza komanso lothandiza kwa anthu omwe akufuna kuwongolera bwino masomphenya.
Akatswiri a eyewear amayamikira magalasi a bifocal komanso opita patsogolo chifukwa chotha kuthana ndi zofunikira za masomphenya osiyanasiyana, kupatsa ovala masomphenya omveka bwino komanso omasuka pazochitika zosiyanasiyana za tsiku ndi tsiku.Kaya ndi kuwerenga, kuyendetsa galimoto, kapena ntchito zina, magalasi awa amapereka yankho lodalirika komanso losinthika kwa anthu omwe ali ndi zosowa za masomphenya ambiri.
Ndi kapangidwe kawo kapamwamba komanso magwiridwe antchito osiyanasiyana, ma lens osamaliza a bifocal & opita patsogolo amatenga gawo lofunikira popereka mayankho olondola komanso omasuka owongolera masomphenya kwa anthu padziko lonse lapansi.Ma lens awa amapereka chitsanzo cha kudzipereka ku khalidwe labwino ndi luso lazovala zamaso, kupatsa ovala zovala zodalirika komanso zowoneka bwino zomwe zimagwirizana ndi masomphenya awo apadera.