ʻO kahi kukui slit he microscope me kahi kukui māmā i hoʻohanaʻia i ka wā o kahi hōʻike maka. Hāʻawi ia i kāu OphthalMologist kahi e nānā kokoke ana i nāʻano likeʻole ma ke alo o ka maka a me ka maka. He mea hana nui ia e hoʻoholo ai i ke olakino o kou mau maka a me ka nānāʻana i ka maʻi maka maka.