´Ü¾î : presbyopia / ¹ßÀ½ : ÇÁ·¹Áîºñ*¿ÀÇǾÆ
¶æ : (ÀÇÇÐ) ³ë¾È(ÒÇäÑ)
¶æ(¿µ¾î) : a progressively diminishing ability of the eye to focus, noticeable from middle to old age, caused by loss of elasticity of the crystalline lens
¿¹¹® : ³ªÀ̶ó´Â À§Çè¿ä¼Ò´Â ³ë¾ÈÀÇ °¡Àå Å« À§Çè ¿ä¼ÒÀÌ´Ù.
¶æ : The risk factor age is the greatest risk factor for presbyopia.