Below you will find information about convergence, including convergence insufficiency, and activities to improve convergence skills. We are doing this exercise to teach you how to cross your eyes. To use a brock string, tie one end to a stationary object like a chair. As a company, our main focus is to serve the ophthalmic community. Brock string exercise one of the most important pieces of equipment for vision exercises when working on convergence is the brock string. A brock string is simply a cord of string with threaded beads. A copy of the homework log will be forwarded to jaeb. The brock string activities should be experienced both sitting and standing. If both eyes are performing as desired, he should see one bead. Brock string instructions eye q vision therapy center.
The brock string test is an exercise you can do a few minutes a day to help re train your eyes and help them to work properly with both convergence and. Introduction home california optometric association. Brock string swiss optometrist frederick brock developed this exercise to improve eye coordination. Article 4 depth perception improvement in collegiate. If both eyes are performing as desired, he should see one bead and two strings like this. Materials a brock string is simply a cord of string with threaded beads. The brock string helps patients improve their binocular vision. Nhs trust oxford eye hospital convergence weakness eye.
Brock strings are easy to make and make a great home program addition. Hold one end of the string up to your nose and tie the other end to something slightly lower than eye level, or have someone hold it for you. Dr kevin houston talia mouldovan interventions for vision impairments post brain injury. It consists of a white flexible cord or string, approximately 10 15 feet in length, with colored wooden beads that.
Focus string also known as a brock string procedure. Brock string instructions introduction brock string is an extremely valuable and cost effective instrument in the diagnosis and treatment of many binocular vision problems. The brock string is named after frederick brock and is used extensively in vision therapy. Normalize the near point of convergence equipment needed 1. I like the fact i can cut the string to any size i like and give patients a string for their home exercise program. Your health care provider has determined that these exercises are beneficial to you based on your condition at this time. Complete vision therapy training video for brock string. During therapy, the one end of the brock string is held on the tip of the nose while the other is tied to a fixed point. Tie a large bead in the middle, then two more, one on either side, 10 inches from the middle one. Neurological training for shooting performance improving. The brock string is a classic visual training aid that uses a string and colored balls. Your orthoptist has diagnosed smooth convergence dot. Develop the kinesthetic awareness of converging and diverging 2. When traveling in and out, it is a convergence exercise and can be used before or after the brock string exercise.
Top 3 exercises for squint eyes strabismus you must try. Gross convergence therapy brock string level 1 objective the objectives of brock string are to. The patient holds the other end of the string between the thumb and forefinger just below the nose, exactly on the midline. Youll need a string about 5 feet long with three different colored beads. Make the string on the left by getting a piece of string about 60 inches long. Download the illustration on the left by clicking on the link below and print it out as explained in. You cannot start a patient with the brock string or lifesaver cards. Brock string vestibular vision exercise care guides. Suppression, convergence excess and convergence insufficiency, among others, may be detected and treated using the physiological diplopia techniques employed by the brock string. The brock string was named after frederick brock, who developed it as a tool to help him correct his own vision problem. A concussion can affect many systems of the body, including but not limited to the visual, musculoskeletal, vestibular, cardiovascular, central nervous, and peripheral nervous systems. On hers the string is heavier and longer than this one, but it works the same and the beads dont really slide around much at all which is good.
Keep the string tight and place one bead at the far end, one in the middle and one 16 inches. With brock string in hand, here is what you need to do. Available with seamless streaming across your devices. Tie one end of the string to a door knob or tape it to the wall, and hold the other end of the string up to your nose. Brock string is also a common and convenient tool used during these beginning stages of vision therapy. To improve the ability of your eyes to work together, especially. To improve the ability of your eyes to work together, especially when looking at close objects. A brock string is usually a 10foot cord with 3 or 5 wooden beads of different colors. As soon as the target goes double, stop moving it, but continue to look at it and use your eye muscles to pull the 2 double images back together to make. Swiss optometrist frederick brock developed this exercise to improve eye coordination. Using the brock string test to strengthen your eyes cognitive fx. Dynavision light board, brock string, strobe glasses, eyeport, saccades, and nearfar. Knueppel, she demonstrates one of the activities used in vision therapy the brock string. The players consistently came into the season with stereopsis of 23.
Convergence is the slight crossing of the eyes to focus on a near object typically, the eye muscles perform this comfortably and effortlessly. Get started on your creative journey with the best in creative education taught by worldclass instructors. Wholesale primary care, optical, low vision, contact lens, and vision therapy products. Exercises to improve ocular issuesnpc balance reeducation return to activity individualised plan.
Attach one end of the string to a stationary object, should be slightly lower than eye level. Hold the other end of the string and pull it tight. Place focus beads evenly along the string so that the closest one is about four. Smooth convergence with your head straight, slowly and smoothly pull the target towards your nose, making sure it stays single. Starting at the end of therapy forces the patient to develop adaptations that will be detrimental to longterm success.
Remember, before the brock string, check for full extra ocular movements and exercise the eyes separately. Essential equipment for a vestibular rehabilitation clinic. Attach one end of the string to a stationary object at a height slightly below eye level. You will know that you are using both eyes correctly in each exercise when you can look at a small object and see it as one, while noticing that all other small objects in front of and behind it are. Stand directly in front of the attachment point, facing it and holding the other end of the string. Vision training purpose this procedure is designed to improve the ability to cross the eyes by providing feedback about what the eyes are doing at all times. Orthoptic tools therapeutic a near point of accomodation if 10cms. With a 6foot long string and 5 tightfitted beads, this brock string is great for training the eyes in sportspecific positions giving you the ultimate athletic edge. Level 1 hold the string tight against the bridge of your nose. Interventions for vision impairments post brain injury. This exercise is intended only for patients who were instructed to do this specific exercise by a university of michigan vestibular testing center clinician.
Activities to improve convergence skills the ot toolbox. You will be advised by the orthoptist how often to carry out the exercises. Tie up one end to a stationary object that is a little above or below eye level for you. It is used to develop skills of convergence as well as to disrupt suppression of one of the eyes. Though, if certain muscles do not converge correctly muscle strain and imperfect vision result, causing pain or possibly other symptoms. Secure one end of the string to a stationary point such as a handrail or the back of a chair. A tool called a brock string can boost eye coordination. Brock string convergence insufficiency exercise 2 disclaimer. Brock string convergence insufficiency exercise michigan medicine. Introduction convergence insufficiency ci is a common binocular vision disorder affecting 4 6% of the. A brock string is an instrument used in vision therapy. If the patient closes an eye one of the strings will disappear, when the.
If you have forgotten to do the exercises during the day, do. Eye exercises to help your vision geoffrey laurence. To improve convergence ability and to accurately point the eyes in space at close range. Typically the athlete would have the nearest end of the string by their nose and have it extend away from them parallel to the ground. The brock string uses this physiologic diplopia as a cue to the let brain know the eyes are working together correctly. Suppression, convergence excess and convergence insufficiency, among others, may be detected and treated using the physiological diplopia techniques employed by the brock. Visual processing and therapy the integration of visual efficiency and processing and its impact on individuals with sensory processing disorders, adhd, autism, dyslexia, and acquired brain injury leonard j.
The ball can travel side to side like a pendulum does, it can travel in a circle clockwise or counter clockwise and it can move in and out towards the participants face. It offers instant feedback to the participant if their eyes are working together to focus on an object at various distances. Buy brock string vision convergence training convergence insufficiency tool train vision, athletic performance, and more. The string should be approximately one metre in length. The doctor actually pulled out her brock string with colored beads after being frustrated with the one from the very kit they sold us. Try the brock string exercise to improve eye coordination and focus. Gross convergence therapy brock string level 1 objective. Make an x place a single bead on the string the other beads are pushed to the end. The patient looks at the bead with both eyes open, on looking right at the bead. Kellye knueppel of the vision therapy center demonstrates how the brock string is used in vision therapy. Ours was an eight foot string with 5 colored balls.
One of the most important pieces of equipment for vision exercises when working on convergence is the brock string. Hold one end of the string to your nose and tie the other end to something that is a little lower than your eye level, perhaps a doorknob. Make sure the hand holding the string to your nose is not blocking your view. Set one bead 50 cm away and another bead 20 cm away. The brock string is commonly employed during treatment of convergence insufficiency and other anomalies of binocular vision. To develop better coordination between your two eyes when you are looking at objects located at different distances. How the brock string is used in vision therapy youtube. After that, i came looking for one like hers and found this one. Easy to use you can use brock string right from the comfort of your home with a very short learning curve involved. These activities can be used by occupational therapists in treatment as indicated by vision screening and based on the individual needs of. Helping people who have double vision diplopia the national institute for rehabilitation engineering nire is a nonprofit organization which operated clinics for the development and dispensing of vision aids with training from 1967 through 1987.
It is a length of string with a number of beads secured at evenly spaced intervals. Accomodative infacility inertia brock string flippers jump convergence 23. This document contains instructions for occupational andor physical therapy exercises developed by the university of michigan health system umhs. Move the beads into equal intervals and hold the string up. Then hold the other end of the string near your nose so the string.