normal vision

With normal vision light from distant or near objects may be focused without unusual effort upon the retina, see Fig. 390.

The Rntgen rays have put us into relations with a new order of impressionrecords quite beyond the range of our normal vision.

Harrigan laid it to his lack of normal vision, but to his single optic there was anything but misery in her beautiful blue eyes.

Previous to 1900 there was no instrument which would give through a long tube normal vision and a correct idea as to distance.

That's possible—she might have if one can see that with normal vision.