SETO 1.56 lathyathyathya-pamwamba bifocal mandala HMC
Kufotokozera
1.56 lathyathyathya-pamwamba bifocal kuwala mandala | |
Chitsanzo: | 1.56 magalasi owoneka bwino |
Malo Ochokera: | Jiangsu, China |
Mtundu: | Mtengo wa SETO |
Zida zamagalasi: | Utomoni |
Ntchito | Flat-top bifocal |
Mtundu wa Magalasi | Zomveka |
Refractive Index: | 1.56 |
Diameter: | 70 mm |
Mtengo wa Abbe: | 34.7 |
Specific Gravity: | 1.27 |
Kutumiza: | > 97% |
Kusankha Coating: | HC/HMC/SHMC |
Kupaka utoto | Green |
Mtundu wa Mphamvu: | Sph: -2.00~+3.00 Onjezani: +1.00~+3.00 |
Zamalonda
1. Kodi ma bifocals ndi chiyani?
Mawonekedwe: pali nsonga ziwiri pa disolo, ndiye kuti, disolo laling'ono lomwe lili ndi mphamvu zosiyana zoyikidwa pa lens wamba;
Amagwiritsidwa ntchito kwa odwala omwe ali ndi presbyopia kuti awone kutali ndi pafupi mosinthana;
Kumtunda ndiko kuwala pamene mukuyang'ana patali (nthawi zina lathyathyathya), ndipo kuwala kwapansi ndi kuwala pamene mukuwerenga;
Digiri ya mtunda imatchedwa mphamvu yapamwamba ndipo digiri yapafupi imatchedwa mphamvu yotsika, ndipo kusiyana pakati pa mphamvu zapamwamba ndi mphamvu zochepa kumatchedwa ADD (mphamvu yowonjezereka).
Malinga ndi mawonekedwe a chidutswa chaching'onocho, chitha kugawidwa kukhala lathyathyathya-pamwamba bifocal, kuzungulira-pamwamba bifocal ndi zina zotero.
Ubwino: odwala presbyopia safunika kusintha magalasi pamene akuwona pafupi ndi kutali.
Zoipa: kulumpha chodabwitsa poyang'ana patali ndi pafupi kutembenuka;
Kuyang'ana maonekedwe, ndi osiyana ndi mandala wamba.
2.Kodi Gawo Lalifupi la Bifocal Lens ndi Chiyani?
Magalasi a Bifocal amapezeka ndi gawo limodzi m'lifupi: 28 mm.Nambala pambuyo pa "CT" mu dzina lazogulitsa imasonyeza kukula kwa gawo mu millimeters.
3.Kodi ma lens apamwamba a Bifocal Top 28 ndi chiyani?
Lens lathyathyathya 28 limapereka kuwongolera kwakutali komanso pafupi.Ndi lens ya multifocal yomwe nthawi zambiri imaperekedwa kwa omwe akudwala presbyopia ndi hypermetropia, mkhalidwe womwe, ndi ukalamba, diso limawonetsa kuchepa pang'onopang'ono kutha kuyang'ana pa zinthu zapafupi ndi zakutali.Ma lens apamwamba amaphatikizapo gawo lomwe lili m'munsi mwa mandala omwe ali ndi malangizo owerengera (pafupi ndi mtunda).M'lifupi mwake lathyathyathya pamwamba 28 bifocal ndi 28mm m'lifupi pamwamba pa bifocal ndipo amawoneka ngati Letter D anatembenuza madigiri 90.
Chifukwa flat top bifocal ndi imodzi mwamagalasi osavuta kusinthira, ndi amodzi mwa magalasi otchuka kwambiri padziko lonse lapansi."Kulumpha" kwapadera kuchokera patali kupita kufupi ndi masomphenya kumapatsa ovala magawo awiri osankhidwa bwino a magalasi awo kuti agwiritse ntchito, kutengera ntchito yomwe ali nayo.Mzerewu ndi wodziwikiratu chifukwa kusintha kwa mphamvu kumakhala nthawi yomweyo ndi ubwino womwe umakupatsani malo owerengera ambiri popanda kuyang'ana patali kwambiri pansi pa lens.Ndizosavuta kuphunzitsa wina momwe angagwiritsire ntchito bifocal chifukwa mumangogwiritsa ntchito kumtunda kwa mtunda ndi pansi powerenga.
4. Kodi pali kusiyana kotani pakati pa HC, HMC ndi SHC?
Chophimba cholimba | AR zokutira / zokutira zolimba zambiri | Super hydrophobic zokutira |
imapangitsa mandala osatsekedwa kukhala olimba ndikuwonjezera kukana kwa abrasion | kumawonjezera kufalikira kwa ma lens ndikuchepetsa mawonekedwe a pamwamba | imapangitsa kuti mandala asalowe madzi, antistatic, anti slip ndi kukana mafuta |