Lazy Eye in Children (Amblyopia): Why Early Eye Tests Matter in NSW
“Lazy eye” is a common term parents use, but the clinical name is amblyopia. It’s one of the most important childhood vision conditions to detect early—because with the right treatment at the right time, vision can often be significantly improved.
At Rose Optometry in Berry, we regularly see children from across the Shoalhaven and South Coast with undetected vision issues that can affect learning, confidence, and development.
What is “lazy eye” (amblyopia)?
Amblyopia occurs when one eye does not develop normal vision during early childhood. The brain begins to favour the stronger eye and suppress input from the weaker eye, leading to reduced vision that cannot be corrected with glasses alone.
This is not caused by laziness—it’s a developmental issue between the eye and the brain.
What causes amblyopia?
Amblyopia can develop for several reasons, including:
A difference in prescription between the two eyes (anisometropia)
Eye turn (strabismus)
Uncorrected long-sightedness or astigmatism
Visual obstruction (e.g. cataract in early life)
These issues can occur without obvious signs, which is why early eye testing is so important.
Signs your child may have a “lazy eye”
Many children won’t complain about their vision. Some possible signs include:
One eye turning in or out
Squinting or closing one eye
Poor depth perception
Difficulty with reading or concentration
Tilting the head or covering one eye
However, some children show no clear symptoms at all.
Vision screening in NSW vs a full eye test
In NSW, children may have access to school or preschool vision screening programs (such as the StEPS program). These screenings are helpful for identifying some vision issues early.
However, screening is not the same as a comprehensive eye examination. It does not assess overall eye health, binocular vision, or more subtle conditions like amblyopia in detail.
A full eye test with an optometrist provides a much more complete assessment and is recommended—even if a child has passed a screening test.
Why early detection is critical
Vision develops rapidly in the early years of life. The brain is most responsive to treatment during childhood, particularly before the age of 7–8 years.
If amblyopia is not detected early, the reduced vision can become permanent. Early management gives the best chance of improving vision and supporting normal visual development.
👉 This is why we strongly recommend a comprehensive eye test before 8 years of age, even if there are no obvious concerns.
How is amblyopia treated?
Treatment depends on the cause but may include:
Prescription glasses to correct focusing differences
Patching therapy (covering the stronger eye)
Atropine drops in some cases
Vision therapy or binocular vision support where appropriate
The goal is to encourage the weaker eye to develop stronger visual connections with the brain.
Children’s eye tests in Berry, Shoalhaven & South Coast NSW
At Rose Optometry, we provide comprehensive children’s eye examinations, tailored to each child’s age and needs. In most cases, children’s eye tests are bulk billed, making them accessible for families.
We see patients from Berry, Nowra, Gerringong, Kiama, Vincentia, and surrounding Shoalhaven communities.
When should your child have an eye test?
Before starting school
If there are any concerns about vision or learning
If there is a family history of eye conditions
If recommended by a teacher, GP, or screening program
Even without symptoms, early testing provides reassurance and can detect issues that are not obvious.
Book a children’s eye test
If you have concerns about your child’s vision or would like a routine check, contact Rose Optometry in Berry to arrange an appointment.
Early detection of “lazy eye” (amblyopia) can make a lifelong difference.
