\n<\/p>\n
\u00c7inli bilim insanlar\u0131, kullanan ki\u015filerin karanl\u0131kta, g\u00f6zleri kapal\u0131yken dahi g\u00f6rmesini m\u00fcmk\u00fcn k\u0131lan bir kontakt lens geli\u015ftirdiklerini a\u00e7\u0131klad\u0131.\u00a0<\/p>\n
The Times gazetesinin \u201cKontakt lensler karanl\u0131kta g\u00f6rmenize izin veriyor, g\u00f6zleriniz kapal\u0131yken bile\u201d ba\u015fl\u0131kl\u0131 haberine g\u00f6re, kontakt lensler, normalde insan g\u00f6z\u00fc i\u00e7in “g\u00f6r\u00fcnmez” olan elektromanyetik tayf\u0131n bir par\u00e7as\u0131 olan k\u0131z\u0131l\u00f6tesi \u0131\u015f\u0131klar\u0131n g\u00f6r\u00fclmesini m\u00fcmk\u00fcn k\u0131l\u0131yor.<\/p>\n
K\u0131z\u0131l\u00f6tesi \u0131\u015f\u0131klar\u0131 yakalayabilen gece g\u00f6r\u00fc\u015fl\u00fc d\u00fcrb\u00fcnlerin aksine, geli\u015ftirilen kontakt lensler bataryaya ihtiya\u00e7 duymuyor. Bunun yerine, geleneksel kontakt lenslerde kullan\u0131lan esnek ve \u015feffaf bir polimer malzemenin i\u00e7ine minik nano par\u00e7ac\u0131klar yerle\u015ftiriliyor. S\u00f6z konusu par\u00e7ac\u0131klar, k\u0131z\u0131l\u00f6tesi \u0131\u015f\u0131klar\u0131 emiyor ve bunlar\u0131 k\u0131rm\u0131z\u0131, mavi ve ye\u015fil dalga boylar\u0131na \u00e7eviriyor, insan g\u00f6z\u00fc de bunlar\u0131 g\u00f6rebiliyor.\u00a0<\/p>\n
\u201cSADECE GECE G\u00d6R\u00dc\u015e\u00dc \u0130\u00c7\u0130N DE\u011e\u0130L S\u0130SL\u0130 KO\u015eULLARDA DA KULLANILAB\u0130LECEK\u201d<\/strong><\/p>\n \u00c7in<\/a> Bilim ve Teknoloji<\/a> \u00dcniversitesi\u2019nden Prof. Tian Xue, yapt\u0131klar\u0131 ara\u015ft\u0131rman\u0131n insanlara \u201cs\u00fcper g\u00f6r\u00fc\u015f\u201d sa\u011flayabilece\u011fine dikkat \u00e7ekti.\u00a0<\/p>\n Xue ve ara\u015ft\u0131rmaya kat\u0131lan di\u011fer bilim insanlar\u0131, \u201cCell\u201d dergisinde yay\u0131nlanan ara\u015ft\u0131rmalar\u0131nda, kontakt lensler \u00fczerinde yap\u0131lacak iyile\u015fme \u00e7al\u0131\u015ft\u0131rmalar\u0131 ile birlikte bunlar\u0131n sadece gece g\u00f6r\u00fc\u015f\u00fc i\u00e7in de\u011fil, sisli ya da tozlu \u015fartlarda da kullan\u0131\u015fl\u0131 olaca\u011f\u0131n\u0131 belirtti. Bunun sebebinin k\u0131z\u0131l\u00f6tesinin g\u00f6r\u00fcn\u00fcr \u0131\u015f\u0131ktan \u00e7ok daha b\u00fcy\u00fck \u00f6l\u00e7\u00fcde n\u00fcfuz etmesi oldu\u011fu ifade edildi.\u00a0<\/p>\n Yap\u0131lan denemelerde lensler LED\u2019lerin yayd\u0131\u011f\u0131 d\u00fc\u015f\u00fck yo\u011funluklu k\u0131z\u0131l\u00f6tesine kar\u015f\u0131 hassast\u0131. Tespit ettikleri \u0131\u015f\u0131k, insan g\u00f6r\u00fc\u015f alan\u0131n\u0131n hemen \u00f6tesinde, yak\u0131n k\u0131z\u0131l\u00f6tesi tayf\u0131 olarak bilinen yerde bulunuyordu. Manzaralar veya insanlar gibi yak\u0131n k\u0131z\u0131l\u00f6tesini yans\u0131tan her \u015fey potansiyel olarak g\u00f6r\u00fcn\u00fcr hale getirilebiliyordu.\u00a0<\/p>\n \u0130LK OLARAK FARELER \u00dcZER\u0130NDE TEST ED\u0130LD\u0130<\/strong><\/p>\n \u00d6te yandan, \u015fu an i\u00e7in g\u00f6r\u00fcnt\u00fc keskinli\u011fi, lenslerin gece g\u00f6r\u00fc\u015f\u00fc i\u00e7in kullan\u0131\u015fl\u0131l\u0131klar\u0131n\u0131 s\u0131n\u0131rland\u0131r\u0131yor. Lenslerin retinaya \u00e7ok yak\u0131n olmas\u0131ndan dolay\u0131 ince detaylar bulan\u0131kla\u015f\u0131yor. Ekip, bunu telafi etmek i\u00e7in ayn\u0131 tekni\u011fi kullanan, daha net bir g\u00f6r\u00fcnt\u00fc sa\u011flayan bir g\u00f6zl\u00fck de geli\u015ftirdi.<\/p>\n Xue, “Gelecekte, malzeme bilimcileri ve optik uzmanlar\u0131yla birlikte \u00e7al\u0131\u015farak daha hassas mekansal \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011fe ve daha y\u00fcksek hassasiyete sahip bir kontakt lens \u00fcretmeyi umuyoruz” dedi.<\/p>\n S\u00f6z konusu teknoloji ilk olarak fareler \u00fczerinde test edildi. Lens tak\u0131lan hayvanlar, karanl\u0131k bir kutu ile normalde g\u00f6r\u00fcnmeyen k\u0131z\u0131l\u00f6tesi \u0131\u015f\u0131kla dolu bir kutu aras\u0131nda se\u00e7im yapmalar\u0131 istendi\u011finde karanl\u0131\u011f\u0131 se\u00e7ti; bu da art\u0131k k\u0131z\u0131l\u00f6tesini alg\u0131layabildikleri anlam\u0131na geliyordu. Buna g\u00f6re, hayvanlar\u0131n g\u00f6z bebekleri k\u00fc\u00e7\u00fclm\u00fc\u015f ve beyin taramalar\u0131, g\u00f6rsel i\u015flemekten sorumlu olan b\u00f6lgelerde aktivite oldu\u011funu ortaya koymu\u015ftu.\u00a0<\/p>\n Lensler, insanlar\u0131n yan\u0131p s\u00f6nen k\u0131z\u0131l\u00f6tesi sinyalleri alg\u0131lamas\u0131n\u0131 ve \u0131\u015f\u0131\u011f\u0131n hangi y\u00f6nden geldi\u011fini belirlemesini sa\u011flad\u0131.<\/p>\n \u201cETK\u0130, \u0130NSANLAR G\u00d6ZLER\u0130N\u0130 KAPATTI\u011eINDA DAHA DA G\u00dc\u00c7L\u00dc\u201d<\/strong><\/p>\n Xue, fareler \u00fczerinde yap\u0131lan denemeye ili\u015fkin de\u011ferlendirmesinde, \u201c\u015euras\u0131 tamamen a\u00e7\u0131k: Kontakt lensler olmadan denek hi\u00e7bir \u015fey g\u00f6remez. Onlar\u0131 takt\u0131klar\u0131nda ise k\u0131z\u0131l\u00f6tesi \u0131\u015f\u0131\u011f\u0131n titremesini a\u00e7\u0131k\u00e7a g\u00f6rebiliyorlar\u201d diye konu\u015ftu.\u00a0<\/p>\n Lensler g\u00fcn \u0131\u015f\u0131\u011f\u0131nda tak\u0131labiliyor ve k\u0131z\u0131l\u00f6tesi \u0131\u015f\u0131klar normalde g\u00f6r\u00fclebilen renklere ekleniyor. Gazetenin haberinde, s\u00f6z konusu \u201cetkinin insanlar g\u00f6zlerini kapatt\u0131\u011f\u0131nda daha g\u00fc\u00e7l\u00fc oldu\u011fu\u201d detay\u0131na da yer verildi.\u00a0<\/p>\n Xue, bu durumu, \u201cYak\u0131n k\u0131z\u0131l\u00f6tesi \u0131\u015f\u0131k, g\u00f6r\u00fcn\u00fcr olan \u0131\u015f\u0131ktan daha etkili bir \u015fekilde g\u00f6z kapa\u011f\u0131na n\u00fcfuz eder” s\u00f6zleriyle a\u00e7\u0131klad\u0131. Buna g\u00f6re, daha az “g\u00f6rsel g\u00fcr\u00fclt\u00fc” ile kullan\u0131c\u0131lar titreyen sinyalleri daha net bir \u015fekilde tespit edebildilmi\u015fti.\u00a0<\/p>\n Ara\u015ft\u0131rmac\u0131lar, nanopartik\u00fclleri ayarlayarak farkl\u0131 k\u0131z\u0131l\u00f6tesi \u0131\u015f\u0131k t\u00fcrlerinin belirgin renkler olarak g\u00f6r\u00fcnmesini sa\u011flad\u0131. Bir dalga boyu mavi, di\u011feri ye\u015fil, bir di\u011feri ise k\u0131rm\u0131z\u0131 olarak i\u015flendi.\u00a0<\/p>\n S\u00f6z konusu teknolojinin ayr\u0131ca g\u00f6r\u00fcn\u00fcr tayftaki belirsiz tonlar\u0131 daha kolay alg\u0131lanan tonlara d\u00f6n\u00fc\u015ft\u00fcrerek renk k\u00f6r\u00fc kullan\u0131c\u0131lara yard\u0131mc\u0131 olmak i\u00e7in de uyarlanabilece\u011fi ifade edildi. Xue, \u201cBu teknoloji, k\u0131rm\u0131z\u0131 g\u00f6r\u00fcn\u00fcr \u0131\u015f\u0131\u011f\u0131 ye\u015fil g\u00f6r\u00fcn\u00fcr \u0131\u015f\u0131\u011fa benzer bir \u015feye d\u00f6n\u00fc\u015ft\u00fcrerek renk k\u00f6r\u00fc insanlar i\u00e7in g\u00f6r\u00fcnmez olan\u0131 g\u00f6r\u00fcn\u00fcr hale getirebilir\u201d diye konu\u015ftu.\u00a0<\/p>\n<\/div>\n