unexpected eyesight reduction in a single or equally eyes. Unexpected vision loss in a single or both equally eyes can be a signal of a serious eye problem referred to as non-arteritic anterior ischemic optic neuropathy (NAION).Sosyal hesap ile giri? yap Google Twitter Fb Apple ?ifre Yenileme ?ifre yenileme ba?lant?s?n? gönderebilmemiz için e-pos