Eye Cancer Screening: What Is Actually Recommended
Many people search for eye cancer screening, hoping to find a simple test they can schedule, the way they might for a mammogram or a colonoscopy. For uveal melanoma (also called intraocular melanoma), the most common primary eye cancer in adults and the main focus of this guide series, that kind of population screening does not exist. This guide explains why, what genuinely is recommended for adults, and what real, important surveillance looks like for infants and young children at high genetic risk of retinoblastoma, a very different eye cancer that mainly affects young children. For background on symptoms and diagnosis, see our eye cancer symptoms and how eye cancer is diagnosed guides.
Source: National Cancer Institute
What Is Eye Cancer Screening?
It helps to be precise about three different words that often get mixed together: screening, diagnosis, and surveillance. Screening means testing people who have no symptoms to look for a disease before it causes problems, like a mammogram for breast cancer. Diagnosis means the process of confirming whether a specific person who has a symptom or a finding actually has a disease. Surveillance means an ongoing, structured pattern of repeated checking in someone already known to be at higher than average risk, or already being watched for a known condition.
With those definitions in mind, here is the direct answer for adults: there is no population screening for uveal melanoma. No major medical organization, including the American Cancer Society or the National Cancer Institute, recommends a specific eye cancer screening test for adults at average risk who have no symptoms and no known risk factors. Because uveal melanoma is rare, and no test has been shown to reliably find it earlier in a way that improves outcomes across the general population, a dedicated screening program has not been established.
That does not mean routine eye care is pointless. Comprehensive dilated eye exams, where an eye doctor widens your pupils and examines the back of your eye, are recommended for general eye health, mainly to check for common conditions like glaucoma, cataracts, and diabetic eye disease. Finding eye cancer is not the main purpose of these exams. Even so, a doctor looking through a dilated pupil can sometimes notice a suspicious dark spot on the choroid (the layer of blood vessels behind the retina) that turns out to be an early melanoma. This is a genuinely useful side benefit of an exam you may already be doing for other reasons, even though it is not formal cancer screening.
Retinoblastoma surveillance is different and real
Retinoblastoma works very differently from uveal melanoma, and this is one area where real, important, and time-sensitive surveillance exists. Retinoblastoma mainly affects children, usually before age 5, and it is linked to changes in a gene called RB1. When a child has a parent, sibling, or other close relative with retinoblastoma, or is known to carry an inherited RB1 mutation, doctors recommend a structured schedule of dilated eye exams starting very early in life, often shortly after birth. This is true surveillance: children are checked again and again on a planned schedule because they are already known to be at high genetic risk, not because every child gets this exam.
The reason this surveillance matters so much is timing. Retinoblastoma tumors can grow quickly in infancy, and finding them while they are small greatly improves the chances of saving the eye and preserving vision. This is discussed further below and in our eye cancer diagnosis guide.
Types of Eye Cancer Screening and Surveillance Tests
The tests used in adults and in high-risk children are quite different, since they serve different purposes. Here is what each one involves:
Comprehensive dilated eye exam for adults: An eye doctor places drops in your eyes to widen the pupils, then examines the retina, choroid, and other inner structures using a bright light and magnifying lenses. This is done for general eye health, but it can incidentally reveal a pigmented lesion.
Choroidal nevus monitoring: If you have a choroidal nevus (a benign pigmented spot on the choroid, similar to a freckle inside the eye), your doctor may photograph it and repeat an ultrasound exam over months or years. This surveillance watches for growth or changes that could suggest a nevus is turning into melanoma, even though the large majority never do.
Dilated eye exam under anesthesia for infants at high genetic risk of retinoblastoma: Because infants and young children cannot hold still or cooperate with a detailed eye exam while awake, doctors often use light anesthesia so they can examine the retina thoroughly and safely. This is a cornerstone of retinoblastoma surveillance in high-risk children.
RetCam wide-field retinal imaging: RetCam is a specialized camera system that captures detailed, wide-angle photographs of a child's retina during an exam, often while under anesthesia. These images help doctors track tumors over time and compare exams at different visits.
Germline RB1 genetic testing: This blood test looks for an inherited change in the RB1 gene and is the gateway that determines whether a child needs intensive surveillance at all. A child with a confirmed RB1 mutation, or a strong family history and no available test result, is generally placed on the intensive exam schedule described below. A child confirmed not to carry the family mutation can usually be spared the intensive schedule.
None of these tools are recommended for the general adult population as a screening program. They are targeted, either at people with a known finding, like a nevus, or at children with a known genetic risk.
When Should You Start Screening for Eye Cancer?
For adults at average risk, there is no recommended start age for uveal melanoma screening, because there is no population screening program to start. The general guidance is simply to follow standard eye care recommendations for comprehensive eye exams throughout adulthood, which your optometrist or ophthalmologist can tailor to your age and eye health history. If you have a personal risk factor, such as a diagnosed BAP1 tumor predisposition syndrome, or a strong family history of uveal melanoma, talk with your doctor about whether closer monitoring makes sense for you individually.
For infants and children at high genetic risk of retinoblastoma, the timing is much more specific, and getting it right matters because retinoblastoma can grow quickly. A widely cited consensus report from the American Association of Ophthalmic Oncologists and Pathologists, endorsed by the American Academy of Ophthalmology and other pediatric specialty groups, recommends that newborns identified as being at high risk have dilated eye exams every 2 to 4 weeks during their first 2 months of life, with newborns at intermediate or low risk examined monthly. Exam frequency then declines gradually as a child grows older, with screening continuing for all at-risk children up to around age 7. Children confirmed to carry an RB1 mutation are generally followed indefinitely afterward, typically every 1 to 2 years, since their risk of other cancers continues into adulthood. Exact intervals, the use of anesthesia, and how long surveillance continues are set by a pediatric ophthalmologist and geneticist working together, and protocols can vary somewhat between treatment centers, so always follow the specific plan your child's care team recommends.
Choroidal nevus follow-up works on its own separate timeline, driven by the individual nevus rather than by age. A newly found nevus with any features that concern your eye doctor is often photographed and rechecked sooner, sometimes within a few months, while a longstanding, low-risk nevus may only need yearly monitoring. Your ophthalmologist will set a personalized interval based on the size, shape, and location of your specific nevus.
Which Screening Tests Should I Choose?
For retinoblastoma risk, this is not a menu a parent should try to navigate alone. It is a plan built together with a genetic counselor and a pediatric ophthalmologist, based on your family's specific history and, when available, genetic test results. If you have a family history of retinoblastoma and are pregnant or planning a pregnancy, ask your obstetrician or pediatrician for a referral to genetic counseling as early as possible, ideally before the baby is born, so a surveillance plan can start right away. A genetic counselor can also help you understand results and what they mean for future children and other relatives.
For adults, the situation calling for action is usually a persistent visual symptom rather than a screening decision. If you notice a new shadow, flashes, a growing dark spot on your iris, or blurred vision that does not resolve, and a clinician seems to brush off the concern, it is reasonable to ask directly for a dilated eye exam and, if needed, a referral to an ophthalmologist or a dedicated ocular oncology center. You know your own body, and persistent new symptoms deserve a specific answer, not just reassurance.
Because uveal melanoma is rare, many general eye doctors may see very few cases in an entire career. If a suspicious finding does turn up, ask about being seen at a center with ocular oncology specialists, meaning doctors who specifically treat eye tumors. These centers are often found at large academic medical centers or cancer centers. Organizations such as the Ocular Melanoma Foundation and CURE OM, a program of the Melanoma Research Foundation, maintain patient resources and can help point you toward experienced specialists and support communities. You can also review our questions to ask about eye cancer guide before an appointment.
Reducing Your Risk of a Late Eye Cancer Diagnosis
This section is about lowering the risk of a late diagnosis, not the risk of the disease itself, since there is no proven way to prevent uveal melanoma or retinoblastoma from forming. What you can influence is how quickly a problem is found once it exists, and that difference genuinely affects treatment options and outcomes.
For adults, the most protective habit is simple and already recommended for general eye health: keep up with routine comprehensive dilated eye exams on the schedule your eye doctor suggests, even when your vision feels fine. Combine this with a low threshold for reporting new visual symptoms. Do not wait weeks to see if a shadow, flash, or new dark spot goes away on its own. An exam that finds nothing concerning costs you little, while a delay in catching a growing tumor can cost you real treatment options.
If you have a known choroidal nevus, treat your follow-up appointments as genuinely important, not optional. It is easy to skip a check when you feel well and the nevus has never changed, but the entire value of monitoring comes from comparing exams over time. Missing appointments breaks that chain of comparison right when a change might first appear.
For families touched by retinoblastoma, reducing the risk of a late diagnosis starts before or shortly after birth. Pursue genetic counseling promptly if there is a family history, keep every scheduled infant eye exam even if it requires travel or anesthesia, and once a mutation is identified in your family, share that information with relatives so they can seek their own counseling and testing. A short conversation with a cousin or sibling about a shared genetic risk can be the reason their child is diagnosed early instead of late.
Finally, in all of these situations, your own care team is your best resource for translating general guidance into a plan that fits your specific history. This guide can explain what is generally recommended, but it cannot replace a conversation with your doctor, ophthalmologist, or genetic counselor about your personal risk and your family's history. If you want to connect with others who understand this journey, our eye cancer support guide is a good place to start.