OUR CLINIC 

The Vision & Conceptual Development Center is a neuro-developmental optometry office that specializes in various visual therapies for patients of all ages. We offer a holistic approach to vision, enhancing the way a person uses their visual skills to perform their best in school, sport, and life.

OUR TEAM 

Doctors

Both of our optometric physicians are Board Certified Fellows of the College of Optometrists in Vision Development (FCOVD), a specialty achieved by roughly one percent of optometrists in the country. In addition, they are both members of the Neuro-Optometric Rehabilitation Association. Dr. Zeller is an active participant within the College of Syntonic Optometry, Dr. Green is a certified DIR/Floortime professional. Between the two of them, they have over 30 years of experience.

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Click on our doctor's names to find out more!

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Therapists

Our vision therapists have almost 50 years of experience combined. In addition to ocular therapy, several have backgrounds in neuro-rehabilitiation, primitive reflex remediation, Floortime, Lindamood-Bell programs, listening therapies, psychometric testing, vestibular processing, and syntonic phototherapy.

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Click on our therapist's names to find out more!

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Admin

Our administrative team is highly skilled and experienced in assisting our specific patient population.

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Click on our administrator's names to find out more!

CEO & Director

Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go to font for titles, paragraphs & more. Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go to font for titles, paragraphs & more.

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Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go to font for titles, paragraphs & more. Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go to font for titles, paragraphs & more. Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go to font for titles, paragraphs & more.

Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go to font for titles, paragraphs & more. Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go to font for titles, paragraphs & more.

Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go to font for titles, paragraphs & more.Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go to font for titles, paragraphs & more.

Dr. Amanda Zeller Manley has a vast array of roles in our practice.

She is available for consultations and...

If you are interested in learning more about her, do so by clicking the button below!

Equipment

Avenir Light is a clean and stylish font favored by designers. It's easy on the eyes and a great go to font for titles, paragraphs & more.

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VEP

Right-Eye

Vision Therapy System 4

Sanet Visual Integrator

Visual Evoked Potential

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VTS4 DESCRIPTION

VTS4 and SVI are shiny and nice.

The Visual Evoked Potential (VEP) directly measures the electrical activity in the visual system. When light from an image enters your eye, it is converted to electrical energy at the retina and travels through the optic nerve to the visual cortex, the part of the brain which processes vision. A VEP test measures the strength and speed of the signal reaching your visual cortex. The purpose is to provide comprehensive information to assist your doctor in better planning your treatment (if needed) and monitoring the results.

In short, the VEP test helps the doctor determine how a patient's eyes communicate with the brain.

Information about the righteye. Wow. Such cool. Such fancy.

Click on our equipment brand's names to find out more!

Mehrnaz D. Azimi Green, OD, FCOVD
Developmental Optometrist

Board-Certified: College of Optometrists in Vision Development
OD: Nova Southeastern University, Ft. Lauderdale, FL
BA: Biology, St. Mary’s College of Maryland, St. Mary’s City, MD


Dr. Mehrnaz Azimi Green’s expertise lies with diagnosing and treating patients to develop their visual and cognitive knowledge. She enjoys working with children, including infants and toddlers, with special needs.  Dr. Green is also involved in the rehabilitation of brain injured patients; these patients often suffer from vision related neurological and cognitive challenges.
Dr. Green has extensive training in working with children with developmental delays, including autism. She is a DIR-FCD Certified Profectum Professional in Developmental Optometry and Intermediate DIR(R) Floortime(tm) provider.


Dr. Green enjoys speaking to parents and professionals about visuo-cognitive therapy and has lectured at multiple schools, conferences and symposia. She works with occupational, physical, and speech-language therapists, psychologists, educators, and parents to help them understand the relationship between vision and learning, and how vision therapy can help patients succeed.


Dr. Green also volunteers with the Special Olympics and at multiple area schools. She has received several national awards for her skills and knowledge in vision therapy and has published original articles in those subjects.  When she’s not working, Dr. Green spends her time with her husband and two young daughters.

Amanda R. Zeller Manley, OD, FCOVD
Developmental Optometrist

Board-Certified: College of Optometrists in Vision Development
OD: Nova Southeastern University, Ft. Lauderdale, FL
BSc: Microbiology & Cell Science, University of Florida, Gainesville, FL

Until becoming a patient at her optometry college’s vision therapy clinic, Dr. Zeller struggled to be a solid B-minus student. After vision therapy, she was finally able to become the A student her parents had always expected. She also has had a few concussions that had visual consequences later improved through vision rehabilitation. Her personal experiences provide common ground with her patients and their own struggles.

 

Combined with over a thousand hours of specialty continuing education, sixteen years in the clinic have provided ample opportunity to meet patients where they are in order to provide a custom path to vision rehabilitation.

Dr. Amanda Zeller Manley specializes in Neuro-Optometric Vision Rehabilitation, binocular vision disorders, brain injury vision rehabilitation, visuo-spatial disorders (vision-related learning problems) and special-needs vision care for children and adults. Dr. Zeller is board certified in Vision Therapy and Vision Development, and is a Diplomate of the American Board of Optometry.

Dr. Zeller is available for in-services for schools and other organizations.

Matt Hiller, COVT
Certified Optometric Vision Therapist

Membership: College of Optometrists in Vision Development (COVD)
Degree: BSc Psychology, Radford University, Radford, VA
Interests: Martial Arts and Chess

“When I was in third grade, I was helped by a developmental optometrist and became interested in the field. Today, I enjoy the one-on-one interaction with patients and find very rewarding the personal achievements patients are making during therapy. I am extremely caring, with a great sense of wonder and a strong desire to make learning fun.” 

Kate Kinsey, COVT
Certified Optometric Vision Therapist

Membership: College of Optometrists in Vision Development (COVD)
Degree: BA Psychology, George Mason University, Fairfax, VA
Interests: Sports, Traveling, Cuisine, & Learning French

“I have always wanted to go into the healthcare industry because I love helping people. Vision impacts so many aspects of our daily lives and even small struggles in this area can be great stressors when completing everyday tasks. Helping patients accomplish their goals can greatly improve their self-esteem, academic efforts, occupational goals and overall quality of life. The excitement my patients express as they notice progress due to strides in our vision therapy program makes my job worthwhile.”

Stephen Yednock, COVT
Certified Optometric Vision Therapist


Membership: College of Optometrists in Vision Development (COVD)
Degree: BA Secondary Education, University of Maryland, College Park, MD
Interests: Theater & Movies

"Having a background in special education, I find it fascinating and rewarding to see patients improve from session to session and to see the impact on both their vision and daily life. I enjoy approaching each session with enthusiasm and the aim of making therapy a pleasant experience."

Swithin David
Visuo-Cognitive Therapist & Operations Director


Certifications: Primitive Infantile Reflex Remediation & Z-Bell Screening
Degree: BSc Brain & Cognitive Sciences, University of Rochester, Rochester, NY
Interests: Improvisational Comedy, History & Space Colonization

"Two decades ago, I encountered vision therapy when I first watched Matt Hiller work with a patient. I was mesmerized. I knew instantly that this work is what I wanted to do for the rest of my life. And since then I've worked as a visuo-cognitive therapist for a few different offices around the country, consulted for many more, learned more techniques to complement my training, and set up vision therapy training programs and internships. After all this time, I am grateful to return the office where it all started as a both a therapist and also as the Operations Director."

Ben Mazur, COVT

Certified Optometric Vision Therapist

Membership: College of Optometrists in Vision Development (COVD)

Degree: BA Psychology, American University, Washington, D.C.
Interests: Science & Trivia, video games, and looking at adorable animal memes online.

"I enjoy working with people and helping them grow. I like being able to share in the joy when a patient is able to do something that was previously impossible. Vision Therapy is also the only field I know of that lets me combine my experience with people on the Autism Spectrum, with my love of physics. The most rewarding part of my job is knowing I’ve made a difference in someone else’s life."

If you would like to learn more about vision therapy, check out our informational page!

Alyssa Rico Queen, CPO
Office Manager & Patient Care Coordinator

Membership: Certified Para-Optometric (American Optometric Association)
Interests:

“Statement"

Martha David
Special Projects Administrator

Membership:  Biomedical Engineering Societies (BMES, AEMB)
Interests: Reading Scientific Articles, Learning Languages (including Programming ones), Animals & Nature

“My personal philosophy is to help and be kind to others whenever possible.
I am completing my B.S. in Bioengineering, with the ambition of researching and developing technologies that help diagnose and treat patients with acquired brain injuries. I am also an undergraduate lab assistant at the White Research group, where we are developing diagnostic solutions for antibiotic resistance. At the VCDC I wear many hats, from helping with the front desk reception, to developing automated solutions that improve patient assessment, and designing this website... yes, the one you are reading right now."

Our administrative team is always happy to help you with any questions, requests, or concerns!

Feel free to give us a call at 301-951-0320, or email us at mail@visiontherapydc.com.

If you are interested in becoming a patient, find out how by clicking the button below!

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Amanda R. Zeller Manley, OD, FCOVD

Developmental Optometrist

Board-Certified: College of Optometrists in Vision Development
OD: Nova Southeastern University, Ft. Lauderdale, FL

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Mehrnaz D. Azimi Green, OD, FCOVD

Developmental Optometrist

Board-Certified: College of Optometrists in Vision Development
OD: Nova Southeastern University, Ft. Lauderdale, FL

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Matt Hiller

Certified Optometric Vision Therapist

Membership: College of Optometrists in Vision Development (COVD)
Degree: BSc Psychology, Radford University, Radford, VA

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Kate Kinsey

Certified Optometric Vision Therapist

Membership: College of Optometrists in Vision Development (COVD)
Degree: BA Psychology, George Mason University, Fairfax, VA

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Ben Mazur

Certified Optometric Vision Therapist

Membership: College of Optometrists in Vision Development (COVD)

Degree: BA Psychology, American University, Washington, D.C.

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Stephen Yednock

Certified Optometric Vision Therapist

Membership: College of Optometrists in Vision Development (COVD)
Degree: BA Secondary Education, University of Maryland, College Park, MD

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Swithin David

Visuocognitive Therapist, Operations Director

Certifications: Primitive Infantile Reflex Remediation & Z-Bell Screening
Degree: BSc Brain & Cognitive Sciences, University of Rochester, Rochester, NY

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Alyssa Rico-Queen

Office Manager,
Certified Paraoptometric

Membership: Certified Para-Optometric (American Optometric Association)

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Martha David

Special Projects Administrator

Membership: Biomedical Engineering Societies (BMES, AEMB)