A brain function improvement facilitating device includes: a storage; a display screen; a timer; a heart rate measurement unit; a target exercise intensity calculator; a setting unit; a first determiner that determines whether a heart rate of a user is greater than or equal to a target heart rate set by the setting unit; a duration time measurement controller that performs control to measure a duration time in which the heart rate of the user is greater than or equal to the target heart rate if the heart rate of the user is determined to be greater than or equal to the target heart rate; a second determiner that determines whether a total of the duration time measured within a predetermined time limit has reached the target time set by the setting unit; a storage controller that controls the storage to store information indicating that the duration time has reached the target time if it is determined that the total of the duration time has reached the target time; a display data generator that generates display data to be displayed on a display screen based on reaching the target time if it is determined that the duration time has reached the target time; and a display controller that controls the display screen to display at least one of the calculated target heart rate, actual related data and time, or the display data.

An amblyopia training device includes a bracket unit, a virtual reality unit including a display headset, a dichoptic training unit with contrast color filters including first and second contrast color filters, a binaural audio stimulation unit including paired speakers for playing binaural beats music, a transcranial stimulation unit connected to the rear side part, and a control unit. The bracket unit includes top and rear side parts, and ears part. The control unit is electrically connected with the display headset, the speaker and the transcranial stimulation unit. The amblyopia training device provided by the invention can stimulate the user in various ways through the display headset, the speaker, the first and second contrast color filters and the transcranial stimulation unit, so as to achieve the synergistical effect of activating the visual center of the user to increase the visual acuity in person with amblyopia.