A fannin ƙirƙirar tabarau, ƙirar ruwan tabarau galibi ana rarraba ta zuwa nau'i biyu: mai siffar ƙwallo da mai siffar aspheric. Gilashin ruwan tabarau masu siffar aspheric, waɗanda ke haifar da sirara, suna buƙatar canji a cikin lanƙwasa ruwan tabarau, wanda ya bambanta sosai da lanƙwasa saman ruwan tabarau masu siffar ƙwallo na gargajiya. Tsarin siffar ƙwallo, wanda a da ya zama ruwan dare, yana fama da ƙaruwar kurakurai da karkacewa. Wannan sau da yawa yana haifar da matsaloli masu ƙarfi kamar hotuna marasa kyau, hangen nesa mara kyau, da kuma ɗan gajeren filin kallo.
Yanzu, ƙirar aspheric ta bayyana a matsayin ƙarfin gyara, tana magance waɗannan karkacewar gani yadda ya kamata kuma tana samar da mafita wanda ke ba da ruwan tabarau waɗanda ba kawai suke da sauƙi da siriri ba amma kuma suna da faɗi iri ɗaya. Abu mafi mahimmanci, waɗannan ci gaba ba sa yin illa ga juriyar tasirin ruwan tabarau, suna tabbatar da ƙwarewar sakawa lafiya.
Gilashin ruwan tabarau na gargajiya suna da wata babbar illa - abubuwan da ake gani a kusa da gefen gilashin suna bayyana a matsayin karkatattu, suna takaita hangen nesa na mai sawa. A wannan zamani da fasaha ke ci gaba da bunƙasa, gilashin ido na aspheric - abin mamaki na gani na gaske - suna rage kurakurai a gefen gilashin, suna faɗaɗa fagen gani sosai don biyan buƙatun abokin ciniki. Gilashin ido na aspheric suna da lanƙwasa mai faɗi kuma suna da sauƙi, suna haɓaka kyawun yanayi da kyau. Musamman a lokutan da ƙarfin haske yake da yawa, suna rage karkacewar ido da kyau, suna mai da su zaɓi mafi kyau ga masu amfani da ke da buƙatar takardar likita mai yawa.
Babban abin da ke nuna ruwan tabarau na aspheric shine lanƙwasa ta musamman a saman su. Wannan ƙirar aspheric tana ba da fa'idodi da yawa fiye da ruwan tabarau na gargajiya masu siffar ƙwallo:
1. Tsabtacewa: Idan aka yi wa ruwan tabarau na musamman magani, ruwan tabarau na aspheric suna ba da kyakkyawan aikin gani, suna tabbatar da ƙwarewar kallo mai haske da kwanciyar hankali.
2. Ta'aziyya: Don haka suna da sauƙi kusan ba za a iya gani ba, ruwan tabarau na aspheric suna rage 'nauyin' da ke kan idanunku, suna ba da damar annashuwa da kuma sawa ba tare da wahala ba.
3. Gani na Halitta: Tsarin su na aspheric yana rage karkacewar gani, wanda ke haifar da fahimtar gaskiya da daidaito.
Idan aka kwatanta ruwan tabarau masu siffar ƙwallo da kuma masu siffar ƙwallo iri ɗaya da kuma waɗanda aka rubuta musu takardar magani, ruwan tabarau masu siffar ƙwallo suna fitowa a matsayin masu laushi, masu siriri, kuma suna ba da damar kallo mai ma'ana da kwanciyar hankali. Lura da siffar murfin ruwan tabarau a kan tushen haske ya nuna cewa hasken da ke fitowa daga ruwan tabarau masu siffar ƙwallo galibi ya fi madaidaiciya (sai dai a cikin ruwan tabarau masu ƙarfin haske); duk da haka, ruwan tabarau masu siffar ƙwallo suna nuna lanƙwasa mafi girma saboda lanƙwasa daban-daban a saman su.
Gefen gefen ruwan tabarau na gargajiya masu siffar zagaye ba wai kawai suna bayyana kauri ba, har ma suna karkatar da ra'ayin abubuwa, wani abu da aka sani da rashin kyawun hoto. Don cimma ƙira mai sauƙi, an yi amfani da kayan aikin firikwensin haske mai yawa a cikin kera ruwan tabarau. Bugu da ƙari, idan aka duba ta hanyar ruwan tabarau masu siffar zagaye, yanayin fuskar mai sawa yana da rauni sosai. A akasin haka, ruwan tabarau masu siffar aspheric suna rage kauri na tsakiya da gefen, wanda ke haifar da ruwan tabarau mai siriri wanda ke kawar da canje-canje na gefe, don haka yana ba da ƙwarewar gani ta halitta.
Gilashin Aspheric suna ba da faffadan fili na gani mara lanƙwasa a gefuna, tare da ƙarancin bambancin hoto, wanda ke sa hotunan su zama na halitta. Waɗannan gilashin sun fi ƙarfin takwarorinsu na siffar zagaye sau uku, wanda hakan ya sa suka dace musamman ga matasa masu sawa. Tare da irin wannan takardar magani -5.00DS, ruwan tabarau na Aspheric sun fi haske fiye da ruwan tabarau na siffar zagaye da kashi 26%. Faɗin su mai faɗi yana tabbatar da ganin duniya ta halitta, ba tare da wata matsala ba, na kusa da na nesa, wanda ke rage gajiyar ido a tsawon lokaci.
Ya dace da waɗanda suka fara saka gilashin ido, musamman ɗalibai da ma'aikatan ofis, ruwan tabarau na aspheric yana rage rashin jin daɗin farko da ke tattare da saka gilashin ido. Hakanan kyakkyawan madadin ne ga masu amfani da ruwan tabarau na contact lens, suna aiki azaman madadin gilashin ido a gida. Ruwan tabarau na aspheric suna kwaikwayon hangen nesa na halitta, kamar yadda aka saba da gogewar ruwan tabarau na contact lens. Sun dace da waɗanda suka fi son rage yawan shan ruwan tabarau, waɗanda ke son guje wa bayyanar ƙananan idanu da gilashin myopia, waɗanda ke neman rage nauyin ruwan tabarau, ko kuma suna da buƙatu daban-daban na refractive ga kowane ido.
Gilashin Aspheric na iya ba wa ruwan tabarau masu matsakaicin haske kamanni siriri da lebur kamar ruwan tabarau masu tsayi, rage sauye-sauyen gefen kuma suna ba da damar gani mai faɗi wanda ya gamsar da duk buƙatun abokin ciniki.
Lokacin Saƙo: Janairu-04-2024