Services / Paediatric Ophthalmology
Early treatment supports lifelong vision
Lazy Eye (Amblyopia) Treatment in Sydney
If your child has been diagnosed with a “lazy eye,” it’s natural to feel worried — but amblyopia is one of the most common and most treatable conditions in paediatric eye care, especially when caught early.
At a glance
What parents should know
- Common and highly treatable when found early
- May be caused by squint, prescription differences or blocked vision
- Treatment can include glasses, patching, drops or surgery
What is amblyopia?
Amblyopia occurs when the brain favours one eye over the other during early childhood, causing vision in the weaker eye to develop poorly. It isn’t a problem with the eye itself so much as a problem with how the brain and eye learn to work together. Left untreated, the brain can permanently “switch off” input from the weaker eye.
What causes it?
Three things commonly lead to amblyopia:
- Strabismus — when the eyes are misaligned, the brain suppresses the image from the turned eye to avoid double vision.
- Refractive amblyopia — a significant difference in prescription between the two eyes, or high uncorrected long-sightedness or astigmatism in both eyes.
- Deprivation amblyopia — something physically blocks vision in one eye, such as a congenital cataract or a drooping eyelid.
Signs to look out for
Amblyopia can be surprisingly hard to spot, because affected children often don’t complain — their “good” eye compensates. Watch for:
- Squinting or closing one eye in bright light
- Tilting or turning the head to see
- Poor depth perception (clumsiness, difficulty with stairs or catching a ball)
- One eye that appears to wander or turn
How is it diagnosed?
A comprehensive eye check — including vision testing appropriate to your child’s age, and an assessment of eye alignment and focusing — can pick up amblyopia well before a child would ever mention a problem. This is why routine paediatric vision screening matters, even in children with no obvious symptoms.
How is it treated?
Treatment works by encouraging the brain to use the weaker eye. Depending on the cause and severity, this may involve:
- Glasses to correct any underlying refractive error
- Patching the stronger eye for part of the day
- Atropine eye drops to temporarily blur the stronger eye
- Treating the underlying cause, such as surgery for a significant droopy eyelid or cataract
Why early treatment matters
The visual system is most responsive to treatment before around age 7–8, though some improvement is possible in older children too. The earlier amblyopia is identified and treated, the better the long-term outcome — which is why we recommend a first comprehensive eye check for every child, even if nothing seems wrong.
If you have any concerns about your child’s vision or eye alignment, our team at Bright Sight Eye Specialists is here to help.
Specialist children’s eye care
Concerned about your child’s eyes?
Dr Kriti Agnihotri provides family-centred paediatric ophthalmology care at Bright Sight Eye Specialists in Randwick.
The key message
Early, appropriate assessment supports better outcomes
Amblyopia is easiest to treat while a child’s visual system is developing. Early assessment gives the weaker eye the best opportunity to build useful vision.
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Book a paediatric eye consultation
For specialist children’s eye care in Randwick, contact Bright Sight Eye Specialists to arrange an appointment.
This information is general and does not replace an individual medical assessment.