17429 Retinitis Pigmentosa
Informed by recognized medical guidance
Overview
Retinitis pigmentosa, often called RP, is a group of rare inherited eye disorders that damage the retina. The retina is the thin layer of tissue at the back of the eye that senses light and sends signals to the brain. In RP, the light-sensitive cells in the retina slowly stop working, leading to gradual vision loss over time.
Key facts
- Retinitis pigmentosa is usually inherited, meaning it runs in families.
- The first signs often appear in childhood or young adulthood, but the condition progresses at different speeds for different people.
- There is currently no cure, but support and low vision services can help people adapt and maintain independence.
Retinitis pigmentosa is rare. It affects about 1 in every 4,000 people worldwide.
RP can affect anyone, but it is most often diagnosed in children, teenagers, or young adults. It affects both men and women equally, and the severity and speed of vision loss can vary widely from person to person.
Symptoms
- Sudden loss of vision in one or both eyes
- Sudden pain in the eye accompanied by headache or nausea
- A sudden shower of new floaters or flashes of light, which could signal a detached retina
- ⚠Vision changes that worsen quickly over days or weeks
- ⚠Eye injury or trauma followed by vision problems
- ⚠Any new eye symptom that concerns you and appears suddenly
Common symptoms
- Difficulty seeing in dim light or at night (often called night blindness)
- Loss of side (peripheral) vision, which can make you feel like you are looking through a tunnel
- Trouble adjusting when moving from bright to dark places
- Sensitivity to glare and bright light
- Problems with reading or seeing fine detail, especially later in the condition
Symptoms in children
- Difficulty seeing at night or in low light
- Tripping over objects or bumping into things, especially in unfamiliar places
- Avoiding dark rooms or outdoor games at dusk
- Clumsy movements or difficulty catching balls
Symptoms in older adults
- Tunnel vision that gradually narrows, making it hard to see both sides while looking straight ahead
- Central vision loss, which affects reading, recognising faces, and seeing details
- Greater difficulty with driving, especially at night
- Needing brighter light for everyday activities
Causes
Main causes
- Changes in specific genes that are passed down from parents to children
- These genetic changes affect the retina's light-sensing cells and stop them from working properly over time
- In some people, RP occurs without a known family history, due to new genetic changes
Risk factors
- Having a parent or sibling with retinitis pigmentosa
- Having a family history of inherited eye conditions
- Being born with certain other inherited disorders, such as Usher syndrome
When to see a doctor
See a doctor urgently if:
- If you suddenly lose sight in one or both eyes
- If you have severe eye pain, headache, and vomiting together
- If you see a sudden burst of floaters or flashes, as these can be a sign of a retinal tear
Book a routine appointment if:
- If you or your child have trouble seeing at night or complain of not being able to see to the side
- If you notice gradual changes in your vision and have a family history of RP
- If you are concerned about your child's vision and they seem clumsy or avoid dim places
Diagnosis
A specialist eye doctor (ophthalmologist) usually diagnoses retinitis pigmentosa after a detailed eye examination and a discussion of your family history. They will ask about your symptoms, check how your pupils respond, and examine the retina using special instruments.
Tests that may be done
- Visual field test – this maps your full range of vision and checks for side vision loss.
- Electroretinogram (ERG) – a painless test that measures how well the retina's light-sensitive cells respond to light.
- Optical coherence tomography (OCT) – an imaging scan that provides detailed pictures of the retina.
- Genetic testing – a blood test that can identify the specific gene change causing RP, which can help with family planning and future treatment options.
What to expect at your appointment
The diagnosis of retinitis pigmentosa can understandably feel overwhelming, but your healthcare team will explain what the condition means for you and direct you to support services. Most appointments involve several tests, sometimes over more than one visit, and you may be referred to a specialist eye clinic.
Treatment
There is currently no cure for retinitis pigmentosa, but treatment focuses on managing symptoms, slowing vision loss where possible, and helping you adjust and live well with changing sight. Regular check-ups with an eye specialist are important to monitor your vision and catch complications early.
Self-care at home
- Use low vision aids such as magnifiers, large-print books, and specialised lighting.
- Install brighter lighting at home, especially for stairs and hallways.
- Wear sunglasses or a wide-brimmed hat outdoors to reduce glare and protect your retina from ultraviolet light.
- Ask about mobility training to feel confident moving around, using a white cane if helpful.
Medical treatments
Treatment approaches vary from person to person. Some specialists may suggest nutritional supplements, for example certain antioxidants, but always discuss this with your doctor before taking anything, because high doses can be harmful. Medications may be used to manage specific symptoms, such as swelling or fluid in the retina. No treatment should be started without a full discussion with your healthcare provider.
When is surgery considered?
In advanced stages of RP, some people may be eligible for a retinal implant (also called a bionic eye) at a specialised centre. This surgical option is very limited and not suitable for everyone. Your eye specialist will explain if it is a possibility for you and what to expect.
Living with this condition
Living with retinitis pigmentosa means learning to adapt to a changing vision. It can be helpful to plan your environment: use consistent lighting, label items, reduce clutter, and ask for support when you need it. Many people continue to work, study, and enjoy hobbies with the help of low vision services and assistive technology.
Lifestyle tips
- Attend regular eye check-ups and follow your specialist's advice.
- Protect your eyes with UV-blocking sunglasses when outdoors.
- Keep your general health in good shape – avoid smoking and manage conditions like diabetes or high blood pressure.
- Tell your family and close friends about your vision loss so they can help in safe ways.
Diet and exercise
A balanced diet rich in green leafy vegetables, colourful fruits, and fish may support overall eye health, though it cannot reverse RP. Regular physical activity such as walking, swimming, or cycling is good for your general wellbeing and can be done safely with appropriate support and adaptations.
Mental health and emotional wellbeing
Losing your sight, even slowly, can feel distressing. It is completely normal to experience anger, grief, anxiety, or depression. Talking to a counsellor or joining a support group can make a real difference. Always reach out for help if you feel overwhelmed, and remember that asking for support is a sign of strength.
Prevention
Retinitis pigmentosa cannot be prevented because it is caused by inherited gene changes. However, genetic counselling can help affected families understand the risks for future children and explore their options.
Screening programmes
If you have a family history of RP, regular eye examinations can detect the condition early, even before symptoms are obvious. For someone with a confirmed genetic change, annual reviews are important to monitor progression and plan care. Genetic testing for family members should only be done after discussion with a genetic specialist.
Complications
If left untreated
- Progressive loss of side vision, leading to a narrowing field of vision (tunnel vision) that can interfere with mobility and daily activities.
- Central vision may also decline over time, making reading, driving, and recognising faces harder.
- Some people develop other eye problems such as cataracts or swelling in the retina, which can be treated separately.
Long-term outlook
While retinitis pigmentosa is a sight-threatening condition, it is important to know that most people retain some vision for many years. The progression is different for everyone, and many people with RP lead active, rewarding lives with the help of low vision aids, support networks, and new technologies. Ongoing research is exploring gene therapies and other treatments, bringing hope for the future.
Find support
International organisations
Local organisations
- Retina UK ↗ · United Kingdom
External links open third-party websites. Ruqelo Health is not responsible for external content. Listing an organisation does not imply endorsement.
Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
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Sources and guidance
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 31, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.