See Your Fullest Potential Unfold

The right vision evaluation and treatment makes all the difference. As a Developmental Optometry Practice​​​​​​​, we are fully focused on helping you or your family overcome any hurdles caused by visual deficiencies.

Beyond Eyesight

Vision is more than seeing with your eyes. Vision also happens in the brain. In fact, it is your dominant sense.

Quality of Life

Your visual system impacts how you perform, feel, behave, and interact with the world around you.

Ready to see us?

Model of Care

The Clarendon Vision experience reflects our commitment to clinical excellence.

Advanced Clinic

Explore our fully functional vision therapy and rehabilitation center plus our latest technology.

Vision Test

Understand if your symptoms are related to a functional vision problem.

Partner Resources

A multi-disciplinary approach to vision care cannot be achieved without professional partner collaboration.

Office Hours

  • Monday 9:00 AM - 6:00 PM

  • Tuesday 9:00 AM - 6:00 PM

  • Wednesday 9:00 AM - 6:00 PM

  • Thursday 10:00 AM - 7:00 PM

  • Friday 9:00 AM - 3:00 PM

  • Saturday 8:00 AM - 2:00 PM

  • Sunday Closed

  • Have an emergency? Contact us at (630) 323-7300

    Our Team

    Monika Spokas, OD

    Dr. Monika Spokas, founder of Clarendon Vision Development Center in Westmont, IL, fell in love with pediatrics and vision therapy in optometry school. She understood that this, combined with her passion, gave her the key to make a positive impact on the trajectory of others’ lives. In her 20 years of serving Chicagoland, Dr. Spokas built a team of like-minded professionals looking to put the patient first.

    “Our team loves what we do. It is our vocation. It is our passion. The opportunity to improve the lives of our patients and their families is the core of who we are.”


    Dr. Cumings is highly regarded by our patients who have complex visual needs, regularly noting that Dr. Cumings identified the right diagnosis and treatment that has provided the often long-awaited relief they needed.

    Patient Liaison, Vision Therapy and Myopia Management Counselor

    Marzenka supports our patients and their families throughout their program of care at Clarendon Vision Development Center.

    Vision Therapist

    Vanessa has the agility to adjust her therapy sessions based on a patient’s needs, while also making the experience fun and engaging.

    Vision Therapy Department Head/Vision Therapist

    Adriann pulls from her passion and experience in teaching and working with children to build and maintain meaningful relationships and help set meaningful goals for her patients.

    Vision Therapist

    Miriam joined Clarendon Vision Development Center as a Vision Therapist to further her passion for helping people and working with children.

    Vision Therapist

    Airyanna’s experience in early childhood education and play-based learning shines in her energy and ability to connect with even our youngest patients.

    Medical Receptionist/Optical Assistant

    Linda leverages her compassion for people of all ages and her sunny disposition while interacting with patients.

    Front Desk Receptionist

    As our Front Desk Receptionist, Danielle Ferrell is our patients’ first point of contact at Clarendon Vision Development Center.

    Medical Receptionist/Administrative Assistant

    Always with a smile, Amanda goes above and beyond to assist every patient.


    Rita’s main goal is for patients to receive the best quality care and service.


    If you have the opportunity to work with Abasi as your optical consultant, be ready for top-notch, tailored service (coupled with some good entertaining conversation).

    Optometric Technician

    Merideth is patient-focused and dedicated to make every patient feel comfortable and satisfied throughout their experience here.

    Practice Manager

    Samira joined the Clarendon Vision team as our Practice Manager, bringing 20 years of professional experience in the medical field of which 13 years was in optometry management and strategic operations.

    We Get Results, Together

    Success Stories

    ​​​​​​​A patient’s success can be the best word of advice. Here are some of ours.

    A Child's Thought

    What do our youngest patients say after completing treatment?

    Videos Worth Watching

    From our patient success stories to the best informational reels about developmental optometry.

    Our Blog

    Read the latest news, articles, and perspective on all things vision.

    April 10, 2023
    Improve Vision After a Concussion With Neuro-optometric Intervention

    Concussions are serious injuries and about 90 percent of the time, people suffer from vision problems after sustaining one. A concussion is a mild form of traumatic brain injury that sometimes presents persistent symptoms. The vision impairment symptoms that persist are collectively called post-trauma vision syndrome (PTVS).

    March 29, 2023
    Constantly Feeling Dizzy? It Could Be Binocular Vision Dysfunction

    Generally, dizziness is not a problem to ignore. It is a symptom that can stem from many different health conditions, ranging from a cardiac or neurological issue to a vision or inner ear disorder. Depending on the root of the problem, people do not experience dizziness the same way. Usually, dizziness resulting from binocular vision dysfunction does not cause the feeling that the room is spinning. Instead, you may feel unbalanced, and a headache may accompany your dizziness. A comprehensive functional eye exam is necessary to determine whether you have BVD. 

    March 24, 2023
    7 Signs Your Child Needs Vision Therapy

    According to a survey by the American Optometric Association, about 25 percent of children in school have vision problems. These are staggering numbers because we know children learn most through observation. All these children have a poorer academic life than their counterparts.

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