Me yasa abubuwa masu launin haske basu da yawa ga lalatawar Sun
Aikin Elton John na iya nuna "idanu masu launin dariya a cikin rana", amma mutanen da ke da idanu masu kyau zasu fahimci halayen haɗari da tasiri mai haske ya bayyana, kamar yadda Cibiyar Nazarin Ophthalmology (American Academy of Ophthalmology (AAO) ta yi. A cikin zabe na 2014 da Hukumar AAO ta ba da izini, 'yan mutane masu launin shuɗi, kore ko hazel sun yi la'akari da cewa launin ido na haskensu ya sa su a cikin hatsari mafi girma da ke tattare da abubuwan da ke faruwa a nan gaba da sauran matsalolin ido mai tsanani.
Cataracts da Eye Aging
Hanyar sakamako ta jiki na tsufa, wani samfuri shine girgizawar ido na idon idon ido. Duk da yake abubuwa da yawa irin su shan taba da steroid amfani na iya taka muhimmiyar rawa wajen bunkasa cataracts, ana danganta su da shekaru masu yawan haske a rana. Fiye da rabin jama'ar Amirka za su ci gaba da yin rajista ta hanyar da suka kai shekaru 80, suna barazana ga ganin su, 'yancin kai da kuma lafiyar kowa.
Hagu mara kyau, caca na iya haifar da asarar hangen nesa; su ne babbar hanyar makanta a fadin duniya.
Haske vs. Dark Eyes
Mutane da duk launin ido suna samun ladabi, amma bincike ya gano cewa tsofaffi da idanu masu haske suna da sauki ga duk nau'i na lalacewar lalacewar, ciki har da cataracts, uveal ko murkushe melanoma , da kuma macular degeneration (ARMD).
Kimanin rabin mutanen Arewacin Amirka suna da idanu masu haske.
Alal misali, nazarin 2006 wanda aka buga a cikin Archives na Ophthalmology yayi nazarin karatun karatun 132 kuma ya tabbatar da cewa mutane da launi na haske sun sami kashi 75% mafi girma na bunkasa melanoma, yawancin ciwon daji na musamman da kuma mafi yawan wurare na melanoma banda fata .
Kamar yadda launin launin fata ya ƙunshi alamomin da ke shafan haske na ultraviolet, rassan duhu - sashin launi na ido - an yi imanin su hana karin hasken UV daga bugawa da kuma lalata tsarin kwakwalwar ido irin su ruwan tabarau , maɗari da macula .
Rikicin Rikicin
Abin mamaki shine binciken da aka yi a shekarun 2000 da 2002 a cikin Jaridar American Journal of Ophthalmology ta gano akasin haka: tsofaffi masu tudu suna da kashi 80 cikin 100 na iya haifar da takardu na binciken shekaru 5, idan aka kwatanta da takwarorinsu masu launin ido.
Dukansu takardu sun ƙunshi yawan mutanen tsofaffi, a matsayin wani ɓangare na Binciken Duwatsu Blue Mountains. Fiye da mutane 3,600 maza da mata tsakanin shekarun da suka wuce 49 zuwa 97 sun shiga cikin bincike na tsawon lokaci.
Kara karantawa: Ta yaya masana kimiyya zasu samu kuma su bi dukkan waɗannan mutane?
Me yasa rikitarwa tsakanin bincike ya samu? Me ya sa za a iya shawo kan ɗalibai masu duhu da yawa a cikin labaran da suke ciki? Don amsa wannan tambayar, sai na nemi Stephanie Marioneaux, masanin ilimin likita na likitoci da injiniya.
"An gudanar da nazari na Australian sosai kuma an gudanar da shi sosai," in ji ta. "Amma bayanai game da idanu duhu suna iya gaya mana kawai game da wannan yanki, kuma ba dole ba ne a kara haɓaka zuwa wasu wurare masu tasowa. Ostiraliya wata tsibirin ne da yawan mutane masu kama da juna, kuma akwai yiwuwar kwayoyin halitta ko ma abubuwan haɗari masu haɗari - saboda mun san abinci mai gina jiki zai iya shafar lafiyar ido - wanda ba a lissafta shi a cikin wannan bincike ba. "
Yadda za a kare ka idanu
Ko idanunku suna haske ko duhu, saka idanu da ke rufe cikakkun haskoki mai haske ya kasance mafi sauki hanyar kare kariya daga lalacewar rana. Bincika "100% UV Protection" (ko 99%) akan lakabin don tabbatar da gilashin toshe dukkan rayukan UVA da UVB.
Wata hanya mai nunawa mai nunawa ita ce "UV400", wanda yake nufin gilashin yana shafan hasken UV har zuwa 400 nanometers.
Tabbatar cewa ka fita don babban fiti - dacewa a cikin layi mai layi tare da ƙananan makamai - saboda hasken UV an nuna su a cikin ƙuƙwalwa, ƙarƙashin kuma a kusa da gilashin gilashi bisa ga Marioneaux. Ana kiyaye kariya ta hanyar saka hat ko bambam mai fadi.
A ƙarshe, kada ku dubi faɗuwar rana, komai yadda ya dace, in shawarci Marioneaux.
"Bazai yi haske ba, amma wannan shine babban hasken rana," in ji ta. "Duk da irin launin launi, kada ku dogara ga yadda kuka fahimci yadda hasken rana ya gaya muku ko kuna sa idon ku.
Kuma ku tuna, ba za ku iya gaya ta hanyar kallon tabarau ko suna bayar da kariya ba. Tabbatar ka nema wannan alama a kan lakabin lokacin da ka siya su. "
Layin Ƙasa
Sunglasses hanya ne mai sauƙi da tasiri don hana lalacewar rana ta gaba, ko idanunku sune blue, launin ruwan kasa, ko wani abu a tsakanin.
Sources:
Sakamakon Abubuwan Bincike na Age Game Makarantar Bayanan Cibiyar Nazarin Kasuwancin {asa ta Amirka.
http://www.nei.nih.gov/amd/background.asp.
Cataract a cikin Ƙungiyar Bincike A Matsakaici - 2013. Cibiyar Harkokin Kasuwanci na Ophthalmology wadda aka fi so da Aiki.
http://one.aao.org/summary-benchmark-detail/cataract-in-adult-eye-summary-benchmark--october-2.
Cumming, RG, Mitchell P da Lim R. "Iris Color da Cataract: Dubi Blue Eyes Duba." Am J Ophthalmol. 2000 Aug; 130 (2): 237-8.
Ezekiel Weis, Chirag P. Shah, Martin Lajous, Jerry A. Shields, da kuma Carol L. Shields. "Ƙungiyoyi tsakanin Ƙarƙwarar Ƙaƙƙwarar Ma'aikata da Uveal Melanoma: Meta-bincike." Arch Ophthalmol . 2006; 124 (1): 54-60.
https://jamanetwork.com/journals/jamaophthalmology/fullarticle/417449
Facts Game da Cataracts. Makarantar Bayar da Bayanin Jama'a na {asashen Waje ta Amirka.
https://www.nei.nih.gov/health/cataract/cataract_facts.asp.
Andrea Schmidt-Pokrzywniak, Karl-Heinz Jöckel, Norbert Bornfeld, Wolfgang Sauerwein, Andreas Stang. "Haɗin Kyakkyawan Tsakanin Tsakanin Ƙirar Iris Iris da Ultraviolet Radiation a Saduwa da Hadarin Uveal Melanoma: Nazari na Kariya." Ophthalmology Fabrairu 2009. Vol. 116, Issue 2, Shafuka 340-348.
Stephanie Marioneaux, Kwamitin-Kwararren Kwararren Ƙwararren Ƙwararrun Masanin Halitta da Masanin Kimiyya na Cornea. Tambayar da aka gudanar da wayar ranar Mayu 28, 2104.
Younan C, Mitchell P, Cumming RG, Rochtchina E, Wang JJ. "Girman Kayan Lafiya da Tsarin Gwagwarmaya da Rubuce-rubucen Cikin Gida: Dubi Tsuntsaye na Blue Blue." Am J Ophthalmol. 2002 Aug; 134 (2): 273-4.