In his book Messy: How to be Creative and Resilient in a Tidy-Minded World, Tim Harford provides examples of how extreme organization and structure, reduced diversity, and oversimplification makes things easier but constrain and compromise outcomes.
Vision is complex and each person’s combinations of problems and circumstances is unique. Vision doesn’t function in isolation. It is represented in more areas of the brain than any other sense. It is involved in almost everything we do. How we see the world is an integral part of who we are. It follows that enhancing essential visual functions;
-eye alignment and movement,
-object perception, spatial perception, and guidance of movement
is messy and complex and that it is naïve to think that therapy is not influenced by the patient’s mindset, age, conflicts, and prior experiences.
All of this must be taken into consideration to treat patients. Computerized programs cannot do this but they can be useful to stimulate attention and motivation. It also requires more than a list of techniques. Doctors and therapists need to be ready and able to modify plans to match the patient’s current visual abilities. Optometric vision therapy is provided by doctors and therapists with specialty qualifications. Certified doctors are Fellows in the College of Optometrists in Vision Development (FCOVD). Certified therapists earn the title, Certified Optometric Vision Therapists (COVT). The College of Optometrists in Vision Development is the certifying body for this specialty.
Relationships between providers, patients, and their families are integral to the success of all healthcare, especially incremental care. Atul Gawande wrote about one of thirteen centers for treating patients with cystic fibrosis in the US in his book Better. One center had much better outcomes than all of the others even though the centers all followed the same protocol. The difference was that the director in one center got to know his patients personally. The better understanding and communication that resulted from these personal relationships fostered improved compliance. Atul Gawande also addresses this in his article on The Heroism of Incremental Care.
Therapy is an interplay between treatment and assessment as the patient progresses. The doctor and therapist continue to learn about patients from the way each patient responds. Dwight D. Eisenhower stated in reference to war that “Plans are useless, but planning is indispensable.” This also applies to other complex, messy situations.
Vision therapy is not easy and can be frustrating. Plasticity in Sensory Systems makes therapy possible. While neuroplasticity declines with age, it continues throughout life. Motivation can recruit surprising amounts of plasticity. The Power of Habit balances our ability to change. Habit enables us to function without consciously thinking through everything we do, which is not possible, but it can also cause us to err when conditions change. Therapy develops new visual habits. Focused rehearsal under a variety of circumstances facilitates supplanting existing habits with new skills and makes them more automatic than the dysfunctional patterns that they are replacing.
Optometric vision therapy takes advantage of neuroplasticity and the messiness in our visual system to make change possible. Therapy creates new visual patterns to be more efficient, more comfortable, and less taxing. Patients must achieve this for themselves, but appropriate feedback at the right time can be powerful, which is why doctors and therapists are indispensable in this process. Daniel Coyne provides example which demonstrate this in The Talent Code as does Norman Doidge in The Brain that Changes Itself. Humans are endowed with amazing abilities to learn and to adapt.