| 摘要 |
PROBLEM TO BE SOLVED: To provide a color vision improving instrument which can be ordinarily safely used at home even without the supervisory or instruction of a doctor and an electrode unit therefor attachable to and detachable from the color vision improving instrument with which a plurality of patients can be successively treated. SOLUTION: The instrument has first electrification electrodes A1 and A2 provided with holder parts 1a and 1b for holding needle parts 2a and 2b for applying currents to the vicinity of the lower parts of an eyesocket on top ends and cord parts 3a and 3b for supplying the currents, a controller C equipped with a power source part 6 and a changeover switch 20 for selecting any element of a tester part 5 and a second electrification electrode B paired with the first electrification electrodes A and in contact with an part of a human body. |
