| http://www.w3.org/ns/prov#value | - illuminating optical system 130 includes a lens 131, a diaphragm 132 to be disposed at a position conjugated with the retina Er and remove the reflected light except the light reflected by the retina, a lens 133, a total reflectingmirror 134, a converging lens 135 to correct the refracting power of the eye by moving in the direction of the optical axis, and a beam splitter 136 to synthesizing the
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