Patent ID: 8511826

Claim:
An optometric apparatus for examining visual functions of an examinee's eye, comprising: a memory for storing prism powers corresponding to the visual functions of the examinee's eye, the memory configured to store a first prism power of the examinee's eye obtained through a horizontal phoria test, a second prism power of the examinee's eye obtained through a divergence test, and a third prism power of the examinee's eye obtained through a convergence test; an output unit; and a control unit for graphically displaying on the output unit a first normative area of an area of a normative prism power in the horizontal phoria test, a second normative area being an area of a normative prism power in the divergence test, and a third normative area being an area of a normative prism power in the convergence test, in addition to information on the first prism power of the examinee's eye based on the first prism power, information on the second prism power of the examinee's eye based on the second prism power, and information on the third prism power of the examinee's eye based on the third prism power, the first prism power, the second prism power, and the third prism power configured to be stored in the memory.