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Billie Jean King’s Eye Coach & the Science Behind it


Billie Jean King’s Eye Coach’s history covers a wide range of disciplines and research. Approximately 20 years ago, Lenny Schloss recognized that the difficulties of keeping the eye at the Point of Contact in ball sports was not being properly analyzed or corrected. Through studies performed by others and Lenny’s search, including an associate professor at Johns Hopkins Wilmer Eye Institute, the Eye Coach was born.

The actual product was developed through participation by coaches, players of all levels, sports training experts, statisticians and motor learning experts. This effort included 15,000 participants and 100+ top coaches in 500,000 hours of product testing; both on-court and at home. The USTA also tested 3,000 participants in 17 different cities with illuminating positive results.  We conducted a 14-month study to determine the statistical improvements that could be obtained through using the product and Point of Contact Training.


These studies proved that instinctive movements are the most powerful actions we can use in ball sports, especially under pressure. The ball triggers instinctive movements externally (visually).  The stronger is focused at the POC, the more we tap into and utilize these inborn athletic actions.  The result is to allow players to become the athletes they were born to be.

The Eye at the Point of Contact (POC)

80% of the information we need to play ball sports is dependent on our visual system receiving properly timed  feedback. Scientific studies showed that most mistakes we make in tennis are a result of the eye shifting from the POC too soon. So, this shift causes our weight to transfer improperly, which directly effects the stroke, rate of learning, and improvement. We have approximately 1 second to scan, track, and focus at contact correctly for each ball. If we can restore, reinforce, and strengthen the eye to stay on the ball until after contact, these movements  become instinctive.

Billie Jean King’s Eye Coach: 5,000 Sweet Spot hits in 5 hours or less

Billie Jean King’s Eye Coach restores, reinforces, and strengthens the eye to correctly scan, track, and focus at the POC. It takes 1,000s of correct repetitions to retrain our muscles. So, practicing on the Eye Coach for 10 minutes a day, you will hit 5,000 POC reps in 5 hours. Our history shows that this amount of practice creates and embeds the correct long-term habits.  We call it “feeling the difference”.



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