Yaushe aka ƙirƙiro gilashin ido da gaske?
Ko da yake majiyoyi da yawa sun bayyana cewa an ƙirƙiro gilashin ido a shekara ta 1317, ra'ayin gilashin ya fara tun shekara ta 1000 kafin haihuwar Annabi Isa. Wasu majiyoyi kuma sun yi iƙirarin cewa Benjamin Franklin ya ƙirƙiro gilashin ido, kuma duk da cewa ya ƙirƙiro gilashin ido, ba za a iya yaba wa wannan shahararren mai ƙirƙira gilashin ido ba.
A duniyar da kashi 60% na al'umma ke buƙatar wani nau'in ruwan tabarau na gyara don gani a sarari, yana da wuya a yi tunanin lokacin da gilashin ido ba ya nan.
Waɗanne kayan aiki aka fara amfani da su don yin gilashi?
Tsarin gilashin ido na asali ya ɗan bambanta da na takardun magani da muke gani a yau - har ma da samfuran farko sun bambanta daga al'ada zuwa al'ada.
Masu ƙirƙira daban-daban suna da nasu ra'ayoyin kan yadda za su inganta gani ta amfani da wasu kayan aiki. Misali, Romawa na da sun san yadda ake yin gilashi kuma sun yi amfani da wannan kayan don ƙirƙirar nasu nau'in gilashin ido.
Ba da daɗewa ba masu ƙirƙira na Italiya suka fahimci cewa ana iya yin lu'ulu'u na dutse mai lanƙwasa ko kuma mai lanƙwasa don samar da kayan gani daban-daban ga waɗanda ke da nakasa ta gani daban-daban.
A yau, ruwan tabarau na gilashi galibi filastik ne ko gilashi kuma ana iya yin firam ɗin ƙarfe, filastik, itace har ma da wurin shan kofi (a'a, Starbucks ba ta sayar da gilashi ba tukuna).
Juyin Halittar Gilashin Ido
Gilashin ido na farko sun fi dacewa da kowa, amma ba haka lamarin yake a yau ba.
Domin mutane suna da nau'ikan matsalolin gani daban-daban -myopia(rashin hangen nesa),hawan jini (hyperopia)(mai hangen nesa),astigmatism,amblyopia(lazy eye) da sauransu — ruwan tabarau daban-daban na gilashin ido yanzu suna gyara waɗannan kurakuran refractive.
Ga wasu daga cikin hanyoyin da tabarau suka bunkasa da kuma inganta a tsawon lokaci:
Bifocals:Duk da cewa ruwan tabarau masu kama da convex suna taimakawa ga mutanen da ke da myopia da kumaruwan tabarau masu lanƙwasaDaidaita hyperopia da presbyopia, babu mafita guda ɗaya da za ta taimaka wa waɗanda ke fama da nau'ikan matsalolin gani guda biyu har zuwa 1784. Na gode, Benjamin Franklin!
Trifocals:Bayan rabin ƙarni da ƙirƙirar bifocals, an fara ganin trifocals. A shekara ta 1827, John Isaac Hawkins ya ƙirƙiro ruwan tabarau waɗanda ke yi wa waɗanda ke da matsalar fata amfani.presbyopia, yanayin gani wanda yawanci yakan faru bayan shekaru 40. Presbyopia yana shafar ikon mutum na gani kusa (jerin abinci, katunan girke-girke, saƙonnin tes).
Ruwan tabarau masu launin ruwan kasa:Edwin H. Land ya ƙirƙiri ruwan tabarau masu launin polarized a shekarar 1936. Ya yi amfani da matattarar polaroid lokacin yin gilashin tabarau. Polarization yana ba da damar hana walƙiya da kuma inganta jin daɗin kallo. Ga waɗanda ke son yanayi, ruwan tabarau masu launin polarized suna ba da hanya don jin daɗin abubuwan sha'awa na waje, kamarkamun kifida wasannin ruwa, ta hanyar ƙara gani.
Gilashin ruwan tabarau masu ci gaba:Kamar bifocals da trifocals,ruwan tabarau masu ci gabasuna da ƙarfin tabarau da yawa ga mutanen da ke fuskantar matsalar gani a sarari a nesa daban-daban. Duk da haka, masu ci gaba suna ba da kyan gani mai tsabta da kuma mara matsala ta hanyar ci gaba a hankali a cikin iko a kan kowace gilashin - sai anjima, layuka!
Gilashin Photochromic: Gilashin Photochromic, wanda kuma ake kira da ruwan tabarau na canzawa, suna duhu a cikin hasken rana kuma suna kasancewa a cikin gida. An ƙirƙiro ruwan tabarau na photochromic a cikin shekarun 1960, amma sun shahara a farkon shekarun 2000.
Gilashin haske masu haske masu shuɗi:Tun lokacin da kwamfutoci suka zama shahararrun na'urorin gida a shekarun 1980 (ban da talabijin kafin hakan da kuma wayoyin komai da ruwanka bayan haka), hulɗar allon dijital ta zama ruwan dare. Ta hanyar kare idanunku daga hasken shuɗi mai cutarwa wanda ke fitowa daga allon,Gilashin haske mai shuɗizai iya taimakawa wajen hana ciwon ido na dijital da katsewar yanayin barcinka.
Idan kuna da sha'awar ƙarin koyo game da nau'ikan ruwan tabarau, da fatan za ku duba shafukanmu a nanhttps://www.universeoptical.com/stock-lens/.