Blue haske wani bangare ne na bakan da ake iya gani wanda zai iya shiga zurfin ido, kuma tasirinsa na tarawa zai iya haifar da lalacewar ido kuma yana da alaƙa da haɓakar wasu cututtukan macular degeneration na shekaru.

Ƙananan haske mai launin shuɗi shine yanayin nuni akan na'ura mai duba wanda ke daidaita ma'aunin ƙarfin hasken shuɗi daban a cikin yanayi daban-daban.Ko da yake an kunna wannan aikin, zai sami wani tasiri a kan ma'anar launi na hoton gaba ɗaya, amma lallai ya zama dole don kare idanu.

Flicker Free yana nufin cewa allon LCD ba zai yi kyalkyali a ƙarƙashin kowane yanayin haske na allo ba.An kiyaye allon nunin a sarari da santsi, wanda zai iya kawar da tashin hankali da gajiyawar idanun ɗan adam har zuwa mafi girma da kuma kare lafiyar idanu yadda ya kamata.