Vision screening school aged

Overview

Vision screening is a quick check to find children who might have vision problems. It is not a full eye exam, but it helps catch issues early so they can be treated.

Yes, vision problems are common in school-aged children. About 1 in 4 children may have a vision issue that needs correction.

Vision screening is for all school-aged children, especially when they start school. It helps find problems like nearsightedness, farsightedness, or lazy eye.

Symptoms

Common symptoms

• Squinting or closing one eye to see better.
• Sitting very close to the TV or holding books close to the face.
• Frequent eye rubbing.
• Headaches or tired eyes.
• Complaints of blurry or double vision.

Symptoms in children

• Tilting the head to one side.
• Covering one eye with a hand.
• Difficulty reading or losing their place while reading.
• Short attention span for tasks that require looking closely.
• Avoiding drawing, puzzles, or other close-up activities.

Causes

Main causes

• Nearsightedness (myopia) – trouble seeing far away.
• Farsightedness (hyperopia) – trouble seeing up close.
• Astigmatism – blurry vision due to an irregularly shaped cornea.
• Amblyopia (lazy eye) – one eye does not develop normal vision.
• Strabismus (crossed or misaligned eyes).

Risk factors

• Family history of vision problems.
• Born prematurely (before 37 weeks).
• Certain developmental delays or neurological conditions.
• Having had an eye injury or surgery as a young child.

When to see a doctor

See a doctor urgently if:

• If your child has a sudden change in vision, eye pain, or an eye injury, see a doctor right away.

Book a routine appointment if:

• If the school vision screening shows a possible problem.
• If you notice any of the common symptoms of vision trouble.
• Even without symptoms, it is a good idea to have a full eye exam every 1–2 years.

Diagnosis

Vision screening is done at school or at the pediatrician's office using simple tests. If a problem is found, your child will be referred to an eye doctor for a complete eye exam.

Tests that may be done

• Visual acuity test (reading letters or symbols on a chart).
• Cover test (looking at a target while one eye is covered to check alignment).
• Photoscreening (a camera takes a picture of the eyes).
• Retinoscopy (a light is shined in the eye to see how it focuses).

What to expect at your appointment

The screening is quick and painless. Your child will sit in a chair and look at a chart or a screen. They may need to wear special glasses for a moment. The doctor or nurse will explain the results and next steps.

Treatment

Treatment depends on the type and severity of the vision problem. The goal is to help your child see clearly and prevent long-term vision loss.

Self-care at home

• Make sure your child wears their glasses or contact lenses as prescribed.
• Encourage good lighting when reading or doing homework.
• Limit screen time and take breaks (look away every 20 minutes).

Medical treatments

Glasses or contact lenses are the most common treatments. For amblyopia (lazy eye), treatment may include patching the stronger eye to strengthen the weaker one. Eye drops or eye exercises may be used. In some cases, medication to help the eye focus is prescribed. Your eye doctor will choose the best approach for your child.

When is surgery considered?

Surgery may be needed for strabismus (misaligned eyes) if glasses or other treatments do not fix the alignment. It is usually done in a hospital by an eye surgeon.

Living with this condition

Most children adjust quickly to wearing glasses. They may need reminders to wear them, especially during play or sports. It helps to keep their glasses in a safe case when not in use.

Lifestyle tips

• Have your child wear protective eyewear during sports to prevent injury.
• Schedule regular eye exams as recommended by the doctor.
• Teach your child to clean their glasses properly.

Diet and exercise

A balanced diet with foods rich in vitamin A (like carrots, leafy greens) and omega-3s (like fish) supports eye health. Regular outdoor play may also help reduce the risk of nearsightedness getting worse.

Mental health and emotional wellbeing

Some children feel self-conscious about wearing glasses. Reassure them that glasses help them see better and many people wear them. If teasing or low self-esteem becomes a problem, talk to the school counselor or your child's doctor.

Prevention

Not all vision problems can be prevented, but early detection through screening can prevent a problem from getting worse. Protecting eyes from injury is also important.

Screening programmes

Vision screening in school or at the doctor's office is the main way to catch problems early. Talk to your child's school about their screening program.

Complications

If left untreated

• Amblyopia (lazy eye) can become permanent if not treated before age 7–9.
• Poor vision can affect reading, learning, and school performance.
• Eye strain and headaches may become chronic.

Long-term outlook

With early treatment, most vision problems in children can be corrected or managed very well. The long-term outlook is excellent for children who receive proper care.

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