Patent Publication Number: US-D852251-S

Title: Monocular optical system for refractive error measurements

Description:
FIG. 1  is a top and side perspective view of a monocular optical system for refractive error measurements showing a new design; the dotted lines showing a strap and smart phone illustrate environmental conditions only and form no part of the claimed design; the broken circular lines illustrate environmental conditions only and form no part of the claimed design; 
         FIG. 2  is a front view thereof; 
         FIG. 3  is a back view thereof; 
         FIG. 4  is a right side view thereof; 
         FIG. 5  is a left side view thereof; 
         FIG. 6  is a top view thereof; the alignment rectangle drawn in dotted lines illustrates environmental conditions only and forms no part of the claimed design; the broken circular lines illustrate environmental conditions only and form no part of the claimed design; 
         FIG. 7  is a bottom view thereof; and, 
         FIG. 8  is a bottom front perspective view thereof. 
       The dotted lines depicting the word “EyeQue” of  FIGS. 1, 2, 3 and 4  illustrate environmental conditions only and form no part of the claimed design.