| 摘要 |
PROBLEM TO BE SOLVED: To provide a sight trainer which is simple in structure, light-weight, inexpensive and convenient for portable use to allow a user to carry out the training of his/her eyes by moving his/her eyeballs anytime and anywhere. SOLUTION: The sight trainer 1 of the shape of an eyeglass frame consisting of a front frame part 2 and temple parts 3 having earpiece parts 3a connected to both of the sides of this part 2 has holes 6, e.g. bored as indexes for visual recognition in the range of the visual field of the parts 2.
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