Features
1.Hairdinger Brush(A1/A2)
Press the Light Brush, turn out A1 or A2, and insert the blue card.
Let the child look through the eyepiece at the plane or the 1-5 ring, see where the rotating brush appears, and after 5 minutes the music will be over.
Note: The first time you press the button is low, then you press it at medium speed, and then you press at high speed.
2.Flashing Red(B1/B2)
Press Red Flash, turn out B1 or B2, and insert the red card
Have children see through their eyepieces the number of shapes and shapes or say "E" in sequence, whether correct or not, for 5 minutes.
3.After-image (C1/C2)
Hold down "back like" and turn out "C1" or "C2"
Let the child look at the center of the black spot with one eye, when the bright light turns dark flash, let the child say the direction of the surrounding serial number "E" or the corresponding image. Whether it's right or not, keep training.
4. Astigmation comparison (contrast sensitivity - grade vision)
The first time you press the button is low contrast light, then press is medium contrast light, and then press is high contrast light. Insert a white card.
First choose high contrast light, let the child identify the "E" "C" "V" direction, first identify the number right "E" direction, and so on all "E" recognition is complete, before beginning to recognize the "C" "V" direction.
D6 pictures are then marked with double vision.
5/6. Multi-focus vision/visual memory (hand-eye drawing E/F)
Have the child draw edges and internal constructions on the drawing slide with a watercolor pen in his right hand. Whether it's right or not, keep training.
7. Visual differences (G1/G2)
Press Visual Difference to turn out G1 or G2.
Let the child observe, each set of graphics in different places, adhere to 5 minutes.
8. Three-level vision (H1/H2 simultaneous vision, H3/H4 fusion vision, H5/H6 stereo vision) press the "three-stage vision" button to turn out the corresponding picture
Let the child say the name of each different image and the front and rear position of the image, or draw the approximate shape with a pen, in the red and green glasses may not be able to see the line, hold for 5 minutes.