Scott Lewis, O.D., F.C.O.V.D.

Developmental Optometrist & Fellow of the College of Optometrists in Vision Development

Having struggled through his early education until his own vision problem was located and treated, Dr. Lewis is dedicated to helping ensure that children have all the visual skills required for successful learning.

Dr. Lewis’ interest in Vision Therapy and Developmental Optometry began even before he entered optometry school, when a Developmental Optometrist, Dr. David Damari, gave him a powerful description of this specialized field. Dr. Lewis, already very interested in helping others, especially children, began to consider this course for his own practice after graduating.

Then, during his routine eye exam for all entering students, it was discovered that he had a visual condition called Convergence Insufficiency – a condition where the eyes do not easily converge at the near distance, often resulting in headaches and difficulty with reading. His condition was a classic developmental case, but because he always had 20/20 vision growing up, the diagnosis was missed until the age of 25, when he entered optometry school.

Soon after his own diagnosis, Dr. Lewis began a routine of vision therapy, and as his symptoms disappeared, he gained an intense desire to help others obtain their fullest visual potential as well. He graduated from Southern College of Optometry in 2005, where he received the award of excellence in vision therapy.

Dr. Lewis shares his passion for helping school-age children with his wife, Cherie, who has begun her Masters work in educational counseling. Dr. and Mrs. Lewis have five beautiful children: Maddison, Eliza, Caden, Jacob, and Archie.

Dr. Paul Brewer

Dr. Brewer was raised in the North Shore of Hawaii and he met his wife, Kristi. They attended BYU-Hawaii, majoring in biochemistry and accounting, respectively, while playing collegiate sports. Kristi was raised in the Treasure Valley and has family in Boise, Meridian, Nampa, and Kuna. After they graduated, they relocated to California and while his wife worked as a manager at PwC, a public accounting firm, he attended the Southern California College of Optometry in Fullerton.

They currently are raising two daughters, Keilana and Kale’a. Dr. Brewer’s youngest daughter is autistic and understands how vision therapy can help with developmental and visual delays. He believes in early and yearly eye examinations to screen and monitor for potential eye conditions, which can contribute to behavioral and learning difficulties.

In addition, Dr. Brewer lived most of his life with undiagnosed convergence insufficiency. Throughout his early education before optometry school, he thought eye strain, headaches and other visual problems were just part of life. In optometry school and through vision therapy he finally realized education, life and sports can be without such difficulties.

The Brewer family enjoys outdoor activities such as standup paddle boarding, water sports, football, baseball, basketball, hiking, fishing, camping, and hunting. His family is involved in crossfit, in which his wife is ranked nationally in Olympic lifting and currently holds the world record in the master’s division. His daughters are involved in gymnastics and soccer. Most importantly he loves spending time with his wife and daughters.

Dr. Clint Prestwich

Dr. Prestwich first learned about vision therapy before entering optometry school. While shadowing a developmental optometrist, he was given a copy of the book Fixing My Gaze written by the neuroscientist, Dr. Susan Barry. Reading Dr. Barry’s account of the incredible changes she experienced while undergoing vision therapy, he realized that it was a direct application of the principles of neuro-plasticity he was fascinated with from his undergraduate coursework. More importantly, he recognized that vision therapy is a life changing service that is needed by so many people. Since that time, he has dedicated himself to providing vision therapy to those who need it.

Raised in Southeastern Idaho, Dr. Prestwich is a graduate of Rigby High School. He received his bachelor’s degree from Brigham Young University in Provo, UT, majoring in neuroscience. Following his undergraduate education, Dr. Prestwich attended optometry school at the Southern College of Optometry in Memphis, TN where he graduated summa cum laude.

Following his graduation from optometry school, Dr. Prestwich completed a specialized residency training program in Pediatric Optometry and Vision Therapy at Marshall B. Ketchum University in Anaheim, CA. During his residency, Dr. Prestwich was trained specifically in the management of vision therapy and neuro-optometric rehabilitation by some of the most renowned pediatric and vision therapy optometrists in the country.

In addition to his love of clinical care, Dr. Prestwich has a passion for research. While still in optometry school, he had an original research article published in the academic journal Optometry and Visual Performance. Additionally, he has had multiple scientific presentations at the annual meetings for the American Academy of Optometry, the College of Optometrists in Vision Development, and the Association for Research in Vision and Ophthalmology. During his residency training, he also became an associate investigator for the Pediatric Eye Disease Investigator Group, a national network of pediatric ophthalmologists and optometrists performing clinical trials investigating treatment of pediatric eye dysfunction.

Outside of the clinic, Dr. Prestwich enjoys staying active and has participated in sports at the high school and collegiate levels, competing for BYU on the track and field team. He loves to read and is always looking for book recommendations. He and his wife, Alissa, met while they were attending BYU, and they now have three wonderful children; Olivia, Ruby, and Clark.


Caren is the mother of 5 boys who are now all grown and she has 2 beautiful grand babies. She grew up in southern Colorado and spent many hours at the library reading just for fun.

She has a passion for vision therapy ever since her son went through therapy and she saw the difference it made in his life. Altogether she has had 3 of her boys go through therapy as well as her husband. She has also led many others to vision therapy in order to benefit their lives.

What happens when a passion for reading and a passion for vision come together? She is now improving her Elementary Education Degree by getting her Masters in Literacy. Her design is to link vision therapy and reading together in order to educate parents and educators and other therapists.


Cindy graduated from BYU with a Bachelor of Science in Elementary Education and a minor in Reading. She and her family have lived in Utah, Minnesota and Southern California before moving to Boise in 2003. After raising her children, she decided to re-enter the professional world. Her love of people, her education and her experience with children make her a great fit with the Focus Vision family which she joined in January 2011.

Cindy received her certification from COVT in October 2013. Not only does she see patients through therapy, she assists Drs. Lewis and Brewer with developmental testing and evaluation. Cindy receives enormous satisfaction in helping others and being a part of the progress her patients make in therapy. Outside of the office she enjoys traveling with her husband and playing with her beautiful grandchildren.


Jen was born and raised in beautiful, scenic Idaho. She and her family returned to the Treasure Valley in 2012, which led to discovering her passion for vision therapy. Jen had suffered from refractive amblyopia since early childhood. While working as an optometrist’s assistant, she learned about Focus Vision Therapy Center and the hope they offered. Jen soon completed her own vision therapy, which inspired her to offer hope and help to others. She became a Certified Paraoptometric and joined Focus Vision in 2015. With the unique perspective of both patient and Vision Therapist, Jen thoroughly enjoys helping her patients achieve their own success through vision therapy.


Kimberly grew up and graduated High School in the beautiful small town of Salmon Idaho. Midway through college she met and married her husband George, then serving as a U.S. Navel Officer. While stationed in Hawaii, Kimberly graduated with honors from The University of Hawaii Manoa with a Bachelors of Business Degree in Human Resource Management with an emphasis in Training and Development.

After working several years in her field, she elected to take on the challenging role of Motherhood. She and her husband excitedly chose to return home to Idaho to raise their family. The next ten years were spent as a stay at home mom to three wonderful daughters.

Kimberly started with Dr. Lewis in March of 2009 and loves working in all areas at Focus Vision Therapy Center, and especially loves working with patients and their families. She is amazed to see the transformation in patients’ lives when they work hard in vision therapy. When Kim isn’t in the office having fun, she busy doing volunteer work and loves spending time with her family.


Lory Perus joined the Focus Vision team in August of 2016. She has a Nursing background with an emphasis in Rehabilitation Psychology and Autism. She has worked in many settings all over the country including hospitals, in-home, and special education. When she is not working, she enjoys spending time with her handsome young boys that enjoy art, computer animation, and attending national yo-yo competitions.


Samantha Guinard graduated from Boise State University and began a career as a Respiratory Therapist at St. Alphonsus and West Valley Medical Centers. There Sam specialized in treating traumatic brain injury and stroke patients for 12 years.

Samantha took time out from her professional career to raise her two children while running a small in-home daycare for 12 years. In 2010 she joined Focus Vision Therapy Center as a vision therapist. She completed her certification in October 2013 from COVD.

Samantha is a caring and compassionate person who has a true passion for her work and improving the quality of people’s lives through vision therapy.


US Air Force veteran Vicki Flowers joined the Focus Vision family in November 2016. A kindergarten through eighth grade Idaho certified teacher, Vicki has long believed that the key to developing exceptional students is to first develop good readers.

Originally from New York, she pursued her desire to see Alaska by enlisting in the Air Force and completing her tour of duty there during the first Gulf War. After nearly 20 years in the last frontier, she and her family moved here to Idaho where she continued her graduate studies and obtained her Master’s Degree in Elementary Education.

After seeing the results of vision therapy on her son, Vicki decided that becoming a vision therapist was crucial in order to reach early readers and set them on the right track to becoming exceptional students.


Kristen Fuhriman graduated from Redmond High School in Washington State and started college at Bellevue Community. Shortly after she married an Idahoan and moved to the Boise area. After raising four children Kristen decided to return to school and finished her Associates Degree. Kristen first learned of Focus Vision Therapy through a close friend whose son was a patient at Focus Vision Therapy. Kristen had children that struggled with reading and saw the challenges it created. She saw firsthand what a difference vision therapy made in the lives of her own family members. Intrigued by what she learned she decided to join the Focus Vision Therapy family so that she could help others learn about the difference it makes in anyone’s lives when they see correctly. She is thrilled to work hard to help people see better and benefit from the amazing difference it can make in life.

Kristen enjoys spending time with her family, enjoying the outdoors (especially in the mountains), and learning new things.