Wasu mutane suna la'akari da "ƙyama" game da haɗari na kwakwalwa ta hanyar kasuwancin masu sayarwa na waɗannan matakan tsaro (gilashin kwamfuta). Don fahimtar ko sun zama dole, mun juya ga bayanan kimiyya.
Me yasa muke buƙatar gilashin kwamfuta, shin suna taimaka?
- Kwamfutar kwamfutar ta fitar da haske a cikin kewayon daga m zuwa ja, i.e. dukan bakan. Amma mafi girman nauyi ga idanu yana da ƙananan rawaya da ƙananan haskoki, kusa da radiation ultraviolet. Rashin wutar lantarki na irin wannan radiation tare da aiki mai mahimmanci a kwamfuta yana kaiwa ga cututtuka daban-daban.
- An tabbatar da cewa irin wannan raƙuman raƙuman raƙuman suna warwatse kuma suna juyayi a hanyarsu. Sabili da haka, kusan kada ku fada cikin wuri mai mahimmanci na maido, wanda zai shiga cikin rawaya da rawaya (dogon lokaci). A sakamakon haka, hoton idanu ya rasa tsabta.
- Bisa ga binciken da aka samu a jami'ar Academician Fedorov, wuri mai dadi na bakan yana inganta ƙaddamar da matakai na rayuwa, sabuntawar jikin kwayoyin ido. Ee. wadannan haskoki ba su da tasiri.
Sabili da haka, idan ka cire daga mai saka idanu daga mai saka idanu da raunuka da haushi mai haske, zaku iya kawar da nauyi a kan idanu kuma rage ragowar watsawa na haske, wanda zai kara bayyanar hoton.
Saboda haka, gilashin kwamfutarka masu kariya suna da amfani da gaske. Amma ba kawai don karewa daga tsangwama na electromagnetic, kamar yadda wasu masu sayarwa ba tare da sunaye ba, amma don rarrabaccen zafin launin launi.
Sabili da haka, godiya ga samfurin gyare-gyare na musamman na ruwan tabarau na waɗannan gilashin, ana samun wadannan:
- zubar da radiation ultraviolet mai haɗari;
- watsar da launin ja-orange na bakan gamsu ga idanu;
- Ƙara da launi;
- rage yawan haske na saka ido, haskakawa;
- samar da mafi bambanci da siffar da aka gani.
A sakamakon haka, yiwuwar cututtukan cututtukan ƙwayar ido, rage yawan raguwa, da ƙarfin aiki yana ƙaruwa (kusan 30%).
Yadda za a zabi gilashin kwamfuta?
A zaɓi na gilashin kwamfuta yana da muhimmanci don ziyarci magungunan magunguna na farko. Bayan haka, ba dukansu ba ne, kuma a nan yana da muhimmanci muyi la'akari da hangen nesa na mutum. Menene gilashin kwamfutarka sun fi kyau a gare ku, zasu iya ƙayyade a cikin salo na masu fasaha, inda aka ba da shawara na mai ocist.
Gilashin kwamfuta suna iya zama tare ko ba tare da diopters ba. Zai yiwu a haɗu da tabarau tare da ruwan tabarau na sadarwa ba tare da ƙarin damuwa akan idanu ba.
Lensuna ga gilashi na kwamfuta sune daga cikin wadannan nau'ikan:
- Alamar abu guda;
- bifocal;
- variofocal;
- trifocal;
- ci gaba (multifocal).
Akwai tabarau don kwamfuta na digiri daban-daban na dimming. Hakanan zaka iya karbi kowane fannin da ya dace da fuskarka.
Ƙarin aikace-aikacen aikace-aikace
A cikin wannan tabarau yana da dadi a ɗakin dakuna, musamman ga fitilu masu haske. Har ila yau, ana iya amfani da tabarau ta kwamfuta a waje a cikin hadari da rana. Sabili da haka, ana iya kiran su a duniya, mai dacewa da dindindin. Babu takaddama garesu, ana kuma bada shawarar su ga yara yayin da suke ba da lokaci a kwamfutar.