Babban Bakin Gishiri 1.74 Lenses
Menene Babban Index 1.74 Lenses?
Idan Kuna da Rubutun Ƙarfi Mai Ƙarfi, Ya Kamata Ku Yi La'akari da Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfafa 1.74.
Babban Index 1.74 ruwan tabarau sune mafi sirara, mafi ƙasƙanci, kuma mafi kyawun ruwan tabarau masu kyan gani da aka taɓa haɓakawa.
Waɗannan ruwan tabarau na bakin ciki sun kusan kusan 40% sirara fiye da robobi kuma 10% sun fi 1.67 babban ruwan tabarau, suna ba ku mafi kyawun fasaha da kayan kwalliya. Lens ɗin da ya fi ƙanƙanta ya fi kyau, yana rage ɓarnar da manyan magunguna ke haifarwa lokacin da aka yi da ƙananan tabarau masu inganci.
Wane kauri zan zaɓa?
Idan kana da matsakaici, ko kuma ɗan gajeren hangen nesa za ka amfana daga ƙananan ruwan tabarau kamar yadda kauri daga gefen ruwan tabarau za su fi gani.
Lenses tare da fihirisar refractive na 1.6 suna da kyau don takardun magani inda ƙimar takardar SPH ɗin ku ta kasance tsakanin -2.50 da -4.00.
Tsakanin -4.00 da -6.00 za mu ba da shawarar ruwan tabarau tare da fihirisar refractive na 1.67, kuma duk wani takardun magani akan wannan ruwan tabarau mai ma'anar refractive na 1.74 zai fi dacewa.
Idan takardar sayan magani ta wuce -5.00 za mu buƙaci ingantacciyar ma'auni na tazarar da ke tsakanin ɗaliban ku, galibi ana kiranta da PD.
Saboda ruwan tabarau na dogon lokaci da gajeren hangen nesa sun bambanta, akwai la'akari daban-daban ga kowannensu.
Hi-index 1.74 ruwan tabarau cikakke ne don
1. Ya dace da manyan takaddun iko a cikin jeri +10.00 zuwa -10.00
2. Ba a ba da shawarar ga gilashin da ba su da tsayi ko maras kyau
3. Musamman karko karko
4. Tsare-tsare na gani na musamman
5. 50% rage kauri
6. 30% rage nauyi
7. Ya dace da manyan firam masu girma
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