Eye Conditions

Inherited retinal disease

Inherited retinal diseases are a group of genetic conditions that affect the retina, often running in families and sometimes appearing in childhood or young adulthood. They're an area of particular expertise for Dr Leong, where accurate diagnosis and careful monitoring make a real difference.

What it is

These conditions — which include retinitis pigmentosa and related disorders — are caused by changes in the genes that keep the retina healthy. They can affect night vision, side vision or central vision, and they vary widely from person to person.

While many inherited retinal diseases can't yet be cured, a precise diagnosis matters: it guides monitoring, opens the door to emerging treatments and clinical trials, and helps you and your family understand what to expect.

What you might notice

Difficulty seeing in the dark or at night
Gradually narrowing side vision
Sensitivity to light
Trouble with fine, central detail
A family history of sight loss

Recognise these? Book a consultation and we'll help you get to the bottom of it.

What causes it

They're caused by inherited changes in specific genes, which can be passed down through families in different ways.

Because they're genetic, more than one family member may be affected — sometimes in different ways.

How we help

Dr Leong has particular expertise in inherited retinal disease, using detailed imaging and assessment to reach an accurate diagnosis, monitor changes over time, and advise on the latest developments — including where genetic testing or emerging treatments may be relevant.

Having a specialist who knows these conditions well means you're supported with clear information and a plan that fits your situation.

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Common questions

Can inherited retinal diseases be treated?

Many can't yet be cured, but this is a fast-moving field, and some conditions now have emerging treatments. An accurate diagnosis is the key that guides monitoring and access to genetic testing and clinical trials.

Should the rest of my family be checked?

It can be worth it, since these conditions are genetic. Dr Leong can talk through what a diagnosis means for your family and whether assessment or genetic testing would help.

Why does an accurate diagnosis matter if there's no cure yet?

Because it guides everything else — how your eyes are monitored, what to expect over time, and whether emerging treatments, genetic testing or clinical trials might apply to your specific condition. It also helps your family understand their own risk.

At what age do inherited retinal diseases appear?

It varies widely — some show up in childhood, others not until adulthood. Early signs often include difficulty seeing in the dark or a gradual narrowing of side vision, so those are worth having checked, especially with a family history.

This page is general information, not medical advice, and doesn't replace a consultation. For anything specific to your own eyes, call us for advice or to book an appointment with Dr Leong on 04 470 7663.

Ready to see clearly?

Book a consultation with Dr Leong, or call the clinic to talk it through. We're here to help you see your very best.

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