PrimayShop - Sports Vision

Primary Shop - the specialty shop of Strobe Glasses
Blinking LCD lenses improve sport visions, visual skills, and athletic performances.

 

Field Tests and Results

(1) Test of visual improvement for Baseball Batting


18 players of elementary school  (Age 10 to 12 years old)
Ball speed: 60km/H
Setting of Visionup:
Frequency: 60Hz (60 times blinking per second)
Duty Ratio: 50% (Lenses closing ratio in each blinking)

Test method: to see and recognize a certain number written on each ball
1. Without Visionup before using Visionup
2. With Visionup
3. Without Visionup after using Visionup
- Each player tries 20 balls thrown by a pitching machine in each test.
- To check the success ratio

Test Result

1. Without Visionup before using Visionup: Average 10%
2. With Visionup: Average 13%
3. Without Visionup after using Visionup: 21%

(2) Test of visual improvement for Baseball Batting


17 players of Junior high school (Age 14 to 15 years old)
Ball speed: 90km/H
Setting of Visionup:
Frequency: 90Hz (90 times blinking per second)
Duty Ratio: 50% (Lenses closing ratio in each blinking)

Test Method: to see and check a certain number written on each ball
1. Without Visionup before using Visionup
2. With Visionup
3. Without Visionup after using Visionup
- Each player tries 20 balls thrown by a pitching machine in each test.
- To check the success ratio

Test Result

1. Without Visionup before using Visionup: Average 13%
2. With Visionup: Average 15%
3. Without Visionup after using Visionup: Average 20%

(3) Baseball Bunt Training and Test

*Bunt means the act of hitting a baseball lightly without swinging a bat.

16 players of university baseball club members
Ball speed: 140km〜145km/H
2 weeks, 6 times training, every two days
Setting of Visionup
Frequency: 20Hz (20 times blinking per second)
Duty Ratio: 50% (50% of lenses closing ratio in each blinking)

Test Method:
- Each player tries 20 balls thrown by a pitching machine.
- Group A:
8 players with Visionup,
At first 15 balls with Visionup, later 5 balls without Visionup
- Group B:
8 players without Visionup,
20 balls without Visionup
- To check the success ratio

Test result:

Group A: Before training 27.5% After training 44.1%
Group B: Before training 28.7% After training 35.3%

(4) Soccer Lifting Training and Test


12 players of University students
Setting of Visionup:
Frequency: 5Hz (5 times blinking per second)
Duty Ratio: 50% (Lenses closing ratio in each blinking)
Test and training method:
Soccer ball lifting training, in 1.2m x 1.2m square,
each 10 min., every two days, 16 times
to check the maximum times of ball lifting

Test result

Without Visionup, Beginner, 3 players >>> No increase
Without Visionup, Intermediates, 3 players >>> No increase
Without Visionup, Beginner, 3 players >>> Increased by two times
Without Visionup, Intermediates, 3 players >>> Increased by two times

(5) Squash - Hitting & Reception


10 members of a sport club
Age 31 to 62, Beginners and Intermediates

Training Method: All members with Visionup
1 to 2 times / week X 7 weeks 
1) Direct hitting against wall, the best score among three trials
2) Reception of service near to wall, sucess times among 10 receptions

Setting of Visionup
Frequency: For 1), 30Hz (30 times blinking per second)
For 1), 50Hz (50 times blinking per second)
Duty Ratio: 50% (50% of lenses closing ratio in each blinking)

Test result

Beginners Before Test After Test
Against Wall(1m) Forehand 16.7 39.2
Backhand 13.3 36.9
Against Wall(3m) Forehand 11.4 35.3
Backhand 8.6 26.8
Against Wall(5m) Forehand 3.3 13.4
Backhand 6.6 12.0
Reception Forehand 1.6 1.6
Backhand 1.8 2.0
Intermediates Before Test After Test
Against Wall(1m) Forehand 26.6 52.1
Backhand 17.9 43.9
Against Wall(3m) Forehand 18.8 53.2
Backhand 11.4 32.1
Against Wall(5m) Forehand 9.1 21.7
Backhand 8.7 17.5
Reception Forehand 4.0 6.5
Backhand 3.7 6.5
  

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