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What Is Juvenile Exophoria?

Juvenile exophoria is a latent outward drifting tendency of one or both eyes in children that is kept in check by the brain's fusion system. The eyes usually look straight, but without focusing effort, one eye wants to move slightly outward. Many children are symptom free, while others develop eye strain or headaches during near tasks. The condition sits on a spectrum that ranges from mild to decompensated forms with intermittent double vision.

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What Is Juvenile Exophoria?

Juvenile exophoria is a latent outward drifting tendency of one or both eyes in children that is kept in check by the brain's fusion system. The eyes usually look straight, but without focusing effort, one eye wants to move slightly outward. Many children are symptom free, while others develop eye strain or headaches during near tasks. The condition sits on a spectrum that ranges from mild to decompensated forms with intermittent double vision.

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Causes of Juvenile Exophoria

Natural variations in muscle balance are common causes. Family history of binocular issues is frequent. Uncorrected refractive errors can stress the fusion system. Fatigue and illness may bring out the deviation. Neurologic disease is rare but considered if findings are atypical.

Symptoms of Exophoria in Children

Children may complain of tired eyes during reading. Headaches near the brow or temples can appear after schoolwork. Words might seem to move or blur. Some kids briefly close one eye to clear the image. Symptoms often worsen late in the day.

How It Is Diagnosed

Cover tests reveal a hidden outward drift when fusion is interrupted. Measurements at distance and near show how strong the phoria is. Refraction checks for focusing errors. Near point of convergence testing assesses how well the eyes turn in. Diagnosis looks at both numbers and symptoms.

Treatment for Juvenile Exophoria

Mild, symptom-free exophoria often needs only observation. Glasses can ease strain when refractive errors are present. Vision therapy may help children who struggle with near work. Prisms are used in selected cases with persistent symptoms. Follow-up visits review comfort, school performance, and control of the deviation.

Frequently Asked Questions About Juvenile Exophoria

Can kids outgrow it?

Some improve as their fusion system matures, while others stay stable.

Does it lead to constant eye turning?

Most cases remain latent, but decompensation can occur if the system is stressed.

Can screens make it worse?

Long near tasks, including screens, can bring out symptoms.

When should I seek care?

Seek care if a child complains of double vision, eye strain, or reading problems.