Yawan tsufa ya zama ruwan dare gama gari a duniya. A zamanin yau, matsalolin lafiyar tsofaffi kowa yana ɗaukarsa da muhimmanci. Daga cikin su, matsalolin lafiyar hangen nesa na tsofaffi kuma suna buƙatar kulawa da damuwa na kowa da sauri. Mutane da yawa suna tunanin cewa presbyopia kawai ba zai iya ganin kalmomin da ke kusa ba a fili, don haka kawai saya gilashin presbyopic. A gaskiya ma, zaɓin gilashin karatun ba da gaske ba ne "bazuwar". Yana da mahimmanci a hankali ka zaɓi gilashin karatu guda biyu wanda ya dace da kai.
Yadda Ake Zaban Gilashin Karatu
1.GANIN GUDA
Ita ce hanyar da aka fi amfani da ita don gyara presbyopia. Gabaɗaya, bisa ga gani a sarari a nesa, ana ƙara wani adadin ƙarfin madubi mai kyau, ta yadda gani a sarari a nesa ya bayyana a kusa.
Amfani:Dadi, daidaitaccen hasken ruwan tabarau a cikin fagen hangen nesa, mai sauƙin daidaitawa; tattalin arziki da araha.
Rashin hasara:Ga wasu mutanen da ke buƙatar sanya gilashi don ganin nesa, aikin yana da wahala. Alal misali, tsofaffi masu matsakaici zuwa matsakaicin myopia yawanci suna buƙatar saka gilashin gilashi tare da babban myopia lokacin tafiya da kallon TV; idan sun karanta littattafai ko wayoyin hannu, suna buƙatar canza su. Sanye da tabarau na presbyopic, ɗaukar su da kashe su, aikin yana da ɗan wahala. Don irin wannan yanayin, shin akwai gilashin da za su iya magance matsalar ganin nesa da kusa a lokaci guda? Ee, bifocals.
2. Bifocals
Yana nufin sarrafa nau'ikan iko guda biyu daban-daban akan tabarau iri ɗaya don zama ruwan tabarau na kallo tare da wuraren gyara guda biyu a lokaci guda.
Amfani:Mai dacewa, rabi na sama na ruwan tabarau shine wurin hangen nesa mai nisa, kuma rabin rabin shine yankin hangen nesa kusa. Gilashin gilashi ɗaya yana magance matsalar gani nesa da kusa, kuma yana guje wa cirewa da sanya gilashin biyu gaba da baya.
Rashin hasara:Ga tsofaffi tare da manyan digiri na presbyopia, abubuwa a tsakiyar nisa na iya zama ba a sani ba; Sakamakon ƙananan priism yana sa abu yayi kama da "tsalle" zuwa matsayi na sama.
Idan aka kwatanta da ruwan tabarau guda ɗaya, ruwan tabarau na bifocal yana iya gani nesa da kusa, amma ba shi da ɗan taimako ga abubuwan da ke cikin tazara ta tsakiya, don haka ko akwai gilashin da ke iya gani nesa, tsakiya da kusa, kuma yana iya gani sosai a kowane tazara? Ee, Gilashin ci gaba.
3. Gilashin ci gaba
Yana nufin canji a hankali na ƙarin madubai masu ƙima daga sama zuwa ƙasa a kan guntun gilashin, yana samar wa mai sawa ci gaba da hangen nesa daga nesa zuwa kusa, kuma babu wani nau'in tabarau na musamman dangane da bayyanar ruwan tabarau.
Amfani:Mai dacewa, saman ruwan tabarau shine wurin hangen nesa mai nisa, kuma ƙasa shine yankin hangen nesa kusa. Akwai yanki mai tsayi da kunkuntar yanki mai haɗawa biyun, yana ba ku damar ganin abubuwa a tsaka-tsakin nisa. Bangarorin biyu na yankin gradient yankuna ne na gefe. Gilashin gilashin guda biyu a lokaci guda suna warware buƙatun gani na nesa, tsakiya da kusa da nesa, suna samun "canjin saurin mara taki".
Rashin hasara:Idan aka kwatanta da madubin hangen nesa guda, yana ɗaukar lokaci mai tsawo don koyo da daidaitawa.
Don haka, shin "sau ɗaya ne" don zaɓar madaidaicin gilashin karatu?
Haka kuma. Matsayin presbyopia zai ci gaba da karuwa tare da shekaru, gabaɗaya yana ƙaruwa a ƙimar digiri 50 kowace shekara 5. Nazarin ya gano cewa ga mutanen da ba su da diopter, digiri na presbyopia a shekaru 45 yawanci digiri 100 ne, kuma yana karuwa zuwa digiri 200 a shekaru 55. A shekaru 60, digiri zai karu zuwa digiri 250 zuwa digiri 300. Matsayin presbyopia gabaɗaya baya zurfafawa. Amma ga takamaiman halin da ake ciki, ana ba da shawarar zuwa asibitin ido don duba lafiyar ido kafin yin odar tabarau
Idan kuna son ƙarin sani game da yanayin salon kayan kwalliya da shawarwarin masana'antu, da fatan za a ziyarci gidan yanar gizon mu kuma ku tuntuɓe mu kowane lokaci.
Lokacin aikawa: Yuli-28-2023