By Dr. Tamara Zach MD — May 05, 2026
When a child complains of blurry vision, sees flashing lights, or describes objects that look distorted, most parents book an eye exam first. That's often the right call. But plenty of visual problems in children start in the brain, not the eyes. The eyes can be perfectly healthy while the nervous system sends faulty signals. Telling the two apart is what gets your child the right treatment, and it's one of the things a pediatric neurologist is trained to sort out.
why the brain matters for vision, not just the eyes
Vision isn't only a job for the eyes. Light hits the retina, then visual information runs along the optic nerves, through the optic chiasm, and into the occipital lobe at the back of the brain, where it gets processed. A problem anywhere along that route, from the optic nerve to the visual cortex, can look exactly like an ordinary vision problem to a child or parent.
At Rose Medical Pavilion in Phoenix, Dr. Tamara Zach MD regularly sees children who've already been to an eye specialist without getting a clear answer. A neurological evaluation often finds the cause and points to a treatment that actually works.
common neurological causes of visual disturbances in children
Migraine with Aura
Migraine is one of the most common reasons a child reports strange vision. Migraine with aura can produce shimmering arcs of light, zigzag patterns, blind spots (scotomas), or temporary loss of vision in part of the visual field. Episodes usually last 20 to 60 minutes and may or may not bring a headache afterward. In younger children the headache often never comes at all, so the visual symptoms become the whole complaint.
Phoenix heat and sun trigger migraines in kids, especially over the summer when they're outside more and dehydration is easy to miss. Spotting and managing those triggers is part of treatment. Learn more about how we approach pediatric headaches and migraines at our practice.
Seizures and Epilepsy
Some seizures produce vivid visual experiences. Occipital lobe epilepsy is a recognized childhood epilepsy syndrome that involves the brain's visual processing center directly. Children with it may see colorful circular shapes or flashing lights as a seizure begins. Some also have eye deviation, blinking, or temporary blindness during or after the event.
Because these symptoms are brief and odd, they get blamed on anxiety, attention-seeking, or a vision problem. A careful history and diagnostic testing, including a pediatric EEG, can confirm whether seizure activity is involved. If your child's visual episodes are sudden, repetitive, or come with unusual movements or altered awareness, an evaluation for pediatric epilepsy is worth doing.
Increased Intracranial Pressure
Idiopathic intracranial hypertension (IIH), also called pseudotumor cerebri, raises pressure inside the skull without a tumor or structural cause. Children with IIH may have blurred vision, double vision, brief visual blackouts, and headaches that get worse when they bend over or lie down. Swelling of the optic nerve (papilledema) shows up on an eye exam. Left untreated, IIH can cause permanent vision loss, so it needs prompt evaluation.
Concussion and Post-Concussive Vision Problems
Concussion and other head injuries often disrupt visual processing. A child recovering from a concussion may have blurry vision, trouble tracking moving objects, sensitivity to light, or difficulty reading. These problems can last weeks or months and wreck school performance. Neurological follow-up is part of recovery. If your child has had a head injury, our team provides pediatric concussion care built around their recovery.
Optic Neuritis and Demyelinating Conditions
Optic neuritis, inflammation of the optic nerve, causes pain with eye movement and sudden vision loss or washed-out color. In some children it's the first sign of a demyelinating condition like multiple sclerosis or myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD). These need a neurological workup, including MRI and lab testing, and we manage them alongside pediatric ophthalmology.
what to expect at a neurological evaluation
When you bring your child in for visual disturbances, Dr. Zach takes a detailed history: the timing, frequency, duration, and description of symptoms, plus any headaches, behavior changes, or family history. The exam checks visual fields, eye movements, and pupillary responses, along with a full neurological evaluation.
Depending on what she finds, testing may include:
- MRI or CT imaging of the brain and orbits
- EEG to evaluate for seizure activity
- Blood and cerebrospinal fluid studies when an inflammatory or autoimmune cause is suspected
- Referral for visual field testing or formal ophthalmologic evaluation
Arizona resources for children with neurological visual conditions
Families around Phoenix have real support to draw on. Children under age three diagnosed with a neurological condition affecting development may qualify for services through Arizona Early Intervention Program (AzEIP). School-age children may be eligible for accommodations through their district's special education team. For insurance, AHCCCS (Arizona's Medicaid program) covers pediatric neurology visits and many diagnostic studies, and Dr. Zach's team can help coordinate care and documentation to back up coverage.
when to seek care
Trust your instincts. If your child describes visual experiences that seem off, especially if they keep happening, come with a headache, or are followed by confusion or odd behavior, get a neurological evaluation even after a normal eye exam. Catching these conditions early leads to better outcomes, and most of the ones described here respond well to treatment when found in time.
If you're looking for help with visual disturbances in children in Phoenix or a child vision problems neurologist in Arizona, Dr. Tamara Zach MD and the team at Rose Medical Pavilion can help. These complex presentations are exactly what we work on, alongside families looking for answers.
Ready to get answers for your child? Schedule a consultation at Rose Medical Pavilion in Phoenix today. Dr. Zach and her team provide neurological care for children throughout the Valley and across Arizona.
Schedule an Appointment
Questions about your child's neurological health? Dr. Tamara Zach MD at Rose Medical Pavilion is here to help. Call (623) 257-ROSE (7673) or schedule online.