Spectack ruwan tabarau daidai kurakurai ta lanƙwasa (gyara) haske kamar yadda yake wucewa cikin ruwan tabarau. Yawan fitinar da aka tanada (ikon lens) wanda ake buƙata don samar da hangen nesa mai kyau a kan takardar sayen sayen da aka bayar akan maganganun da kuke yi.
Kurakurrukan da ake buƙata da ikon lens da ake buƙata don gyara su a cikin raka'a da ake kira Dioptrre (D). Idan kun fice tsaye, takardar sayan lens ɗinku na iya faɗi -2.00 D. Idan kun kasance myopic sosai, yana iya faɗi -8.00 D.
Idan an dogara da ku, kuna buƙatar "da ruwan tabarau na" (+), waɗanda suke da kauri a cikin tsakiya da bakin ciki a gefen.
Gilashin na yau da kullun ko ruwan tabarau na filastik don ƙarancin gajeriyar ƙasa ko tsayi na iya zama mai kauri da nauyi.
An yi sa'a, masana'antun sun haifar da sababbin "babban-index" kayan filastik waɗanda ke da haske sosai.
Wannan yana nufin karancin abu ana iya amfani dashi a cikin leken asiri mai zurfi don gyara adadin adadin ɓataccen kuskure, wanda ya sa ruwan tabarau na ƙasa-iri biyu da sauƙi fiye da gilashin filastik ko ruwan tabarau.
Abvantbuwan amfãni na high-Index tabarau
Na bakin ciki
Because of their ability to bend light more efficiently, high-index lenses for shortsightedness have thinner edges than lenses with the same prescription power that are made of conventional plastic material.
M
Gefen gefuna suna buƙatar ƙasa da kayan ruwan tabarau, wanda yake rage nauyin ruwan tabarau gaba ɗaya. Lensees da aka yi da filastik na manyan filastik suna da haske fiye da irin ruwan tabarau iri ɗaya da aka yi a cikin filastik na al'ada, don haka sun fi dacewa da sawa.
Kuma mafi yawan ruwan tabarau na manya-manya kuma suna da ƙirar aspheric, wanda ke ba su slimmer, mafi kyawun bayanin martaba kuma yana rage girman kai wanda ruwan tabarau na al'ada yana haifar da tsinkayen tsarin sakandare.
Zabin-Index
Ana samun ruwan tabarau na filastik mai girma a cikin mahimman abubuwan kirki, yawanci jere daga 1.60 zuwa 1.74. Tobes tare da m index na 1.60 & 1.67 na iya zama aƙalla ɗari na filastik filastik na al'ada, da 1.71 ko sama da haka na iya zama kusan 50 bisa dari.
Hakanan, gabaɗaya magana, mafi girma alamar ita ce, mafi girman ruwan tabarau.
Sayar da takardar sayen ku kuma yana tantance irin nau'in kayan adon da zaku so don ruwan tabarau. Ana amfani da mafi girman kayan index da farko don magunguna masu ƙarfi.
Mafi yawan yau shahararrun ƙirar lens da fasali - ciki har da aspheric, ci gaba, Bluecut pro, da sayan magani kan kayan da aka shafi hoto - akwai a cikin kayan hoto. Barka da danna Danna cikin shafukan muhttps://www.unosserical.com/morur-repreatus-products/don bincika ƙarin bayanai.