Daya daga cikin tambayoyin da mafi yawan mutane ke ji lokacin da suka sanya ruwan tabarau shine, "Wane fihirisar refractive kuke bukata?"Na yi imani cewa mutane da yawa ba su fahimci wannan ƙwararrun lokaci ba, bari mu koyi game da shi a yau!
Mutane da yawa a cikin al'ummar yau sun gaskata cewa mafi tsada gilashin, mafi kyau!Yawancin masanan gani, waɗanda ke fahimtar wannan ilimin halin ɗan adam na masu amfani, sukan yi amfani da fihirisar karkatarwa azaman wurin siyarwa don ƙara farashin gilashin don samun fa'idodin tattalin arziki mafi girma.Wato mafi girman ma'aunin refractive, mafi ƙarancin ruwan tabarau, kuma mafi tsada farashin!
Babban fa'idar manyan ruwan tabarau masu haɓakawa shine bakin ciki.Masu amfani a cikin zaɓin ruwan tabarau, dole ne su zaɓi bisa ga nau'ikan nau'ikan ido daban-daban don dacewa da nasu, kyakkyawan aikin ruwan tabarau, makafin neman babban index ba kyawawa bane, dacewa shine mafi mahimmanci!
Kyakkyawan ruwan tabarau masu kyau ya kamata su koma ruwan tabarau tare da kyawawan kayan gani, waɗanda aka nuna a cikin babban watsawa, tsabta mai tsabta, ƙananan tarwatsawa, juriya mai kyau, kyakkyawan sutura da kyakkyawan aikin kariya.
Yawanci index refractive na ruwan tabarau hada da 1.49, 1.56, 1.61, 1.67, 1.74, 1.8, 1.9.
Daga ra'ayi na ƙwararru don zaɓar fihirisar refractive gabaɗaya bisa ga cikakkiyar la'akari mai zuwa:
1. Digiri na myopia.
Myopia za a iya raba zuwa m myopia (a cikin 3.00 digiri), matsakaici myopia (tsakanin 3.00 da 6.00 digiri), da kuma high myopia (sama da 6.00 digiri).
Gabaɗaya MAGANAR HASKE DA MYOPIA matsakaici (digiri 400 ƙasa da) HUKUNCIN KYAUTA ZABI 1.56 OK, (digiri 300 zuwa 600) A cikin 1.56 KO 1.61 waɗannan nau'ikan nau'ikan nau'ikan fihirisa guda biyu, zaɓin 600 na sama ko sama da ma'aunin 1.61 ruwan tabarau.
Mafi girman ma'anar refractive shine, ƙarin refraction yana faruwa bayan haske ya wuce ta ruwan tabarau, kuma mafi ƙarancin ruwan tabarau.Duk da haka, mafi girma da refractive index ne, mafi tsanani da watsawa sabon abu ne, don haka high refractive index ruwan tabarau yana da low Abbe lambar.A wasu kalmomi, lokacin da fihirisar refractive ya fi girma, ruwan tabarau ya fi ƙanƙanta, amma idan ana kallon abubuwa, hasken launi ba shi da wadata sosai idan aka kwatanta da 1.56 refractive index.Abin da aka ambata anan ɗan bambanci ne kawai a kwatancen dangi.Tare da fasaha na yanzu, ruwan tabarau tare da babban ma'anar refractive shima yana da kyau a hangen nesa.Ana amfani da ruwan tabarau mai maɗaukaki mai ƙarfi don dubban digiri kawai.
2. Abubuwan buƙatu.
Zaɓin ma'anar refractive bisa ga matakin myopia ba cikakke ba ne, amma dole ne a haɗa shi tare da zaɓi na firam da ainihin yanayin ido don yanke shawara.
Yanzu digiri na gabaɗaya yana da girma, a cikin myopia na baidu biyar zuwa shida, ƙananan ma'aunin ruwan tabarau zai kasance mai kauri, nauyin dangi zai zama ɗan girma, a wannan lokacin, idan neman kyakkyawan digiri ya fi girma, muna ba da shawarar fiye da 1.61. refractive index, haka ma a lokacin da zabar hoto frame don kauce wa babban akwatin irin, don haka m, gilashin mataki na kyau da kuma ta'aziyya ne in mun gwada da kyau.
Kammalawa: Zaɓin index refractive ya kamata a dogara ne akan shawarar kwararrun likitan ido, bisa ga matakin myopia, girman firam, buƙatun ado, ta'aziyya na gani, adadin amfani da sauran cikakkun bayanai, dacewa shine mafi mahimmanci.
Lokacin aikawa: Agusta-26-2022