US 7,458,686 B2
Optometry apparatus
Yukio Ikezawa, Tokyo (Japan)
Assigned to Kabushiki Kaisha Topcon, Tokyo (Japan)
Filed on May 24, 2005, as Appl. No. 11/135,349.
Claims priority of application No. 2004-162290 (JP), filed on May 31, 2004.
Prior Publication US 2005/0264760 A1, Dec. 01, 2005
Int. Cl. A61B 3/02 (2006.01)
U.S. Cl. 351—222  [351/223] 28 Claims
OG exemplary drawing
 
1. An optometry apparatus, comprising:
index indicating means for indicating an index to each of right and left eyes of a person to be examined;
operation means for inputting a reply to the index, which is operated by the person to be examined, the reply to the index being performed by specifying a direction by the operation means;
display means for displaying the index and operational detail information expressing the direction specified by the operation means to the person to be examined;
reentry request operation means for requesting reentry of the reply to the index for the predetermined time, which is operated by the person to be examined; and
control means for setting the displayed operational detail information into a non-display state and enabling the reentry of the reply to the index when the reentry request operation means is operated.