shafi_game

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Lens na ci gaba don hangen nesa sama da 40
Bayan shekaru 40, babu wanda ke son tallata shekarun su - musamman lokacin da kuka fara samun matsala wajen karanta kyakkyawan bugu.

Abin godiya, ruwan tabarau na ci gaba na gilashin ido na yau yana sa ba zai yiwu wasu su gaya muku kun kai “bifocal age.”

Lenses na ci gaba - wani lokaci ana kiransa "no-line bifocals" - yana ba ku ƙarin bayyanar matasa ta hanyar kawar da layukan da ake gani a cikin ruwan tabarau na bifocal (da trifocal).
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Amfanin ruwan tabarau masu ci gaba akan bifocals
Gilashin tabarau na Bifocal suna da iko biyu kawai: ɗaya don gani a cikin ɗakin da ɗayan don ganin kusa.Abubuwan da ke tsakanin, kamar allon kwamfuta ko abubuwa a kan shiryayye na kantin kayan miya, galibi suna zama masu duhu tare da bifocals.

Don ƙoƙarin ganin abubuwa a wannan kewayon “tsaka-tsaki” a sarari, masu sanye da kayan bifocal dole ne su dasa kawunansu sama da ƙasa, a madadin su duba sama da ƙasan bifocals ɗin su, don tantance wane ɓangaren ruwan tabarau ya fi aiki mafi kyau.

Lens masu ci gaba sun fi kwaikwayi hangen nesa na halitta wanda kuka ji daɗi kafin farkon presbyopia.Maimakon samar da ikon ruwan tabarau biyu kawai kamar bifocals (ko uku, kamar trifocals), ruwan tabarau masu ci gaba sune ruwan tabarau na "multifocal" na gaskiya waɗanda ke ba da santsi, ci gaba maras kyau na ikon ruwan tabarau masu yawa don hangen nesa a cikin ɗakin, kusa da kowane nisa tsakanin.

Tare da ruwan tabarau masu ci gaba, babu buƙatar dasa kan ku sama da ƙasa ko ɗaukar matsayi marasa daɗi don ganin allon kwamfutarku ko wasu abubuwa a tsayin hannu.
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Hangen yanayi ba tare da "tsalle hoto"
Layukan bayyane a cikin bifocals da trifocals maki ne inda aka sami canji kwatsam a ikon ruwan tabarau.

Lokacin da layin gani mai bifocal ko trifocal ya motsa a kan waɗannan layukan, hotuna suna motsawa kwatsam, ko "tsalle".Rashin jin daɗi da wannan "tsalle na hoto" ke haifarwa zai iya bambanta daga kasancewa mai sauƙi zuwa haifar da tashin zuciya.

Ruwan tabarau masu ci gaba suna da santsi, ci gaban ikon ruwan tabarau don bayyananniyar hangen nesa a kowane nesa.Ruwan tabarau masu ci gaba suna ba da ƙarin zurfin mayar da hankali ba tare da "tsalle hoto ba."
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Lenses masu ci gaba sun zama ruwan tabarau na multifocal mafi mashahuri ga duk wanda ke da presbyopia wanda ke sanya gilashin ido, saboda fa'idodin gani da kayan kwalliya akan bifocals da trifocals.


Lokacin aikawa: Agusta-27-2022