1. Wadanne nau'ikan kayan ruwan tabarau ne akwai?
Kayan halitta: dutse crystal, babban taurin, ba sauƙin niƙa ba, yana iya watsa hasken ultraviolet, kuma yana da birefringence.
Kayan wucin gadi: gami da gilashin inorganic, gilashin halitta da guduro na gani.
Gilashin inorganic: Ana narkar da shi daga silica, calcium, aluminum, sodium, potassium, da dai sauransu, tare da kyakkyawan haske.
Plexiglass: Abubuwan sinadaran shine polymethyl methacrylate.
Resin na gani: Abubuwan sinadaran shine propylene diethylene glycol carbonate. Fa'idodin sune nauyi mai sauƙi, juriya mai tasiri, gyare-gyaren simintin gyare-gyare, da rini mai sauƙi.
2. Menene fa'idodi da rashin amfani na ruwan tabarau na guduro?
Abũbuwan amfãni: nauyi mai sauƙi, ba mai rauni ba, babu gefuna ko sasanninta lokacin karye, mai lafiya
Rashin hasara: ruwan tabarau marasa sawa sun fi kauri kuma farashin ya ɗan fi girma
3. Menene ruwan tabarau na bifocal?
Lens iri ɗaya yana da haske guda biyu, haske na sama shine yanki mai nisa, ƙananan haske kuma shine wurin kusa.
4. Menene halayen ruwan tabarau na multifocal?
Gilashin gilashi na iya gani mai nisa, tsaka-tsaki da gajeren nisa, maras kyau, kyakkyawa, don matasa don sarrafa myopia, masu matsakaici da tsofaffi marasa lafiya tare da presbyopia na iya sa rayuwa ta fi dacewa.
5. Menene ruwan tabarau mai tauri?
Hardening, kamar yadda sunan ke nunawa, yana nufin cewa ruwan tabarau ya fi ƙarfin ruwan tabarau na yau da kullun. Tauraren ruwan tabarau suna da juriya na lalacewa. Ka'idar ita ce an lullube saman ruwan tabarau tare da ƙwanƙwasa ƙwanƙwasa na musamman don haɓaka juriya na ruwan tabarau da tsawaita rayuwar sabis. .
Lokacin aikawa: Oktoba-26-2021