7 Best Clear Markers For Visual Tracking Exercises To Try

Watching a child struggle to track a ball across a field or lose their place while reading can be a source of quiet frustration for any parent. Visual tracking exercises serve as the bridge between what the eyes see and how the brain processes that information, laying a foundational skill for both academics and athletics. Investing in the right tools can simplify this development, turning tedious practice into engaging, purposeful play.

Bernell Marsden Ball: The Gold Standard for Tracking Drills

The Bernell Marsden Ball is a weighted, suspended sphere used to develop smooth ocular pursuit—the ability of the eyes to follow a moving target. It is remarkably effective for children ages 6–10 who are learning to coordinate eye movement without moving their heads excessively.

Because it is a professional-grade clinical tool, it offers exceptional durability for home use. Its simplicity makes it an excellent “buy it for life” item that can be passed down between siblings or resold once the child masters basic tracking.

• Best for: Developing smooth, rhythmic eye movements.
• Bottom line: A foundational investment that offers the most consistent return for early visual development.

Hart Medallion Flipper: Best for Quick Focusing Shifts

When a child struggles to shift focus from a whiteboard to a notebook, the Hart Medallion Flipper provides a practical solution. This tool helps exercise the eyes’ ability to change focus distance rapidly, an essential skill for the heavy visual workload of middle school.

Using these requires minimal setup, making them perfect for short, five-minute drills during homework transitions. They are an affordable entry point for parents concerned about visual fatigue in students ages 8–12.

• Best for: Improving “accommodative facility” or the speed of focus adjustment.
• Bottom line: A compact, low-cost training aid that pays dividends in classroom efficiency.

Brock String Tool: Essential for Binocular Coordination

The Brock String is perhaps the most deceptive tool in vision therapy, consisting of a simple cord with beads at varying distances. It is the gold standard for teaching both eyes to work together as a team, ensuring that a child develops strong depth perception.

For a child who seems to misjudge the distance of an incoming ball or struggles with sports requiring precise timing, this tool is indispensable. It is highly portable and requires no batteries, meaning it can be used anywhere from the living room to a long car ride.

• Best for: Strengthening binocular vision and convergence.
• Bottom line: A classic, inexpensive tool that provides the highest level of foundational coordination training.

Senaptec Strobe Glasses: Pro-Level Vision Enhancement

Strobe glasses work by periodically blocking vision, forcing the brain to process more information in shorter windows. These are intended for competitive athletes aged 12–14 and up who are looking to gain an edge in fast-paced sports like baseball or basketball.

Given the higher price point, these should only be considered for children who have shown a sustained, multi-year commitment to their sport. The technology is sophisticated, so monitor usage closely to ensure it matches a training program designed by a coach or vision specialist.

• Best for: Elite-level reaction speed and sensory processing.
• Bottom line: Reserve this investment for the serious, older athlete rather than the casual hobbyist.

HECOstix Trainer: Best for Hand-Eye Reflex Improvement

The HECOstix is a three-pronged, color-coded tool that adds an element of gamification to hand-eye coordination drills. By calling out colors while throwing the tool, parents can help their children practice rapid reaction and cognitive processing simultaneously.

This tool is exceptionally popular because it turns “drills” into a competitive game for siblings or teammates. It is durable enough to handle years of play, making it a sound financial choice for active families.

• Best for: Building quick reflexes and reactive processing speed.
• Bottom line: A fun, versatile training aid that encourages consistent practice through play.

SKLZ Reaction Ball: Best for Unpredictable Field Agility

A reaction ball is a non-symmetrical, six-sided rubber ball that bounces in random directions when dropped. It is an excellent, low-cost tool for athletes who need to train their eyes to track erratic movement, mimicking the chaos of live game scenarios.

Start with simple, short distances for children ages 7–9, gradually increasing the intensity as their reflexes sharpen. Because these are highly affordable, they represent a low-risk purchase that can be kept in every sports bag.

• Best for: Dynamic tracking and improving lateral quickness.
• Bottom line: An essential piece of kit for any field sport athlete that provides immediate, tangible feedback.

Wayne Saccadic Fixator: Top Choice for Speed and Accuracy

The Wayne Saccadic Fixator is a classic board featuring an array of lights that the user must touch as quickly as possible. It is the ultimate tool for measuring and improving the speed of eye jumps, known as saccades, which are vital for reading fluidly and playing sports.

While professional versions are large, many simplified versions or digital alternatives exist for home use. Focus on tools that track progress over time, as seeing their “score” improve can be a major motivator for a child’s dedication.

• Best for: Increasing speed and precision in visual scanning.
• Bottom line: Ideal for the highly motivated student or athlete looking to optimize their visual reaction time.

How Visual Tracking Impacts Your Child’s School Success

Visual tracking is not limited to sports; it is the physical act of scanning across a line of text in a book. If a child’s eyes struggle to stay on the line, they often experience reading fatigue, leading to skipped words or decreased comprehension.

Early intervention with these exercises can remove the physical barriers to academic confidence. By improving the efficiency of the eyes, children can direct more of their brainpower toward understanding concepts rather than simply managing visual input.

Age-Appropriate Progressions for Vision Training Drills

For children ages 5–7, prioritize slow, rhythmic tracking exercises like the Marsden Ball to build motor control. At this stage, focus on short, ten-minute sessions that prioritize quality of movement over speed.

As children reach ages 8–11, integrate tools that require decision-making, such as the HECOstix or reaction balls. By age 12+, focus shifts toward speed and competitive-level endurance, where tools like strobe glasses can be introduced if the child displays the necessary maturity and discipline.

Integrating Tracking Exercises Into Daily Sports Practice

The most effective training is the kind that actually gets done, so weave these exercises into existing routines. Use a reaction ball as a warm-up before soccer practice or perform five minutes of Brock String work before finishing homework.

Consistency outweighs intensity in every developmental stage. Keeping equipment easily accessible in common areas ensures that these exercises become a natural part of the family rhythm rather than another chore to check off a list.

By selecting the right tools based on your child’s developmental needs, you can provide them with the visual precision they need to succeed both in the classroom and on the field. Remember that the best training happens when it is integrated into a supportive, low-pressure environment where improvement is celebrated as a quiet, personal victory.