Evrim Ağacı - Görme keskinliği (GK) görsel olarak küçük farklılıkları ayırt edebilme yeteneğine denir. Oftalmolojik muayene esnasında eşik değerin belirlenmesi (ölçümü) göz hekimlerinin klinik kararlarını vermelerinde etkin bir rol oynar. GK ölçümünde
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