Healthy adults under 65 should get a comprehensive eye exam at least every two years, while adults 65 and older need one every year. But routine schedules are only part of the picture. Certain symptoms, health conditions, and risk factors all shift the timeline, and some situations call for a same-day visit.
Routine Exam Schedules by Age
The American Optometric Association breaks down recommended exam frequency into clear age brackets. For children, the first eye exam should happen between 6 and 12 months of age, with at least one more between ages 3 and 5. Once a child starts school, annual exams are recommended from first grade through age 17.
Adults ages 18 through 64 with no symptoms and no risk factors can go every two years. After 65, that shifts to every year. These intervals assume you’re healthy, have stable vision, and no family history of eye disease. If any of those factors change, you’ll likely need to go more often.
Risk Factors That Call for Yearly Exams
If you fall into any high-risk category, annual exams are recommended regardless of your age. The most common risk factors include diabetes, high blood pressure, a family history of glaucoma or macular degeneration, and African ancestry (which carries a higher risk of glaucoma).
For diabetes specifically, the timing matters. People with type 1 diabetes should start annual dilated eye exams five years after diagnosis. People with type 2 diabetes should get screened right away at the time of diagnosis and at least yearly after that. Diabetic retinopathy is the most common eye complication of diabetes, and it can progress to serious vision loss without any early symptoms you’d notice on your own.
The American Academy of Ophthalmology also recommends that everyone, even those without known risk factors, get a baseline screening for glaucoma at age 40. This is when early signs of the disease and other age-related changes first become detectable.
Symptoms That Need a Same-Day or Emergency Visit
Some eye symptoms are true medical emergencies. Sudden vision loss, whether it happens in seconds or develops over a few days, requires immediate treatment. Call 911 or go to an emergency room. Fast diagnosis gives you the best chance of recovering your vision, because conditions like acute glaucoma, retinal artery blockages, and eye infections can cause permanent damage within hours.
Retinal detachment is another emergency. The warning signs are distinct: a sudden burst of new floaters (small dark spots or squiggly lines drifting across your vision), flashes of light in one or both eyes, or a dark shadow or “curtain” creeping over part of your visual field. If you notice any of these, get to an eye doctor or emergency room right away. Early treatment can prevent permanent vision loss, but waiting even a day can make the difference between saving your sight and losing it.
Symptoms Worth a Prompt Appointment
Not every concerning symptom is an emergency, but several warrant scheduling an appointment within days rather than waiting for your next routine visit. These include:
- Blurred vision that comes on gradually, especially if it doesn’t improve with blinking or rest
- Straight lines appearing wavy or curved, which can be an early sign of macular degeneration
- New blank or dark spots in your central or peripheral vision
- Difficulty seeing in low light that’s worsening over time
- Eye pain with light sensitivity, which may signal inflammation inside the eye
- A feeling of pressure behind the eye
If you’ve been diagnosed with macular degeneration, your doctor may give you an Amsler grid, a simple card with straight lines and a center dot. Looking at it daily helps you catch changes early. If the lines start looking wavy, broken, or distorted, that’s your cue to call your provider before your next scheduled visit.
Signs of Vision Problems in Children
Young children rarely tell you they can’t see well, because they don’t know what “normal” vision looks like. Instead, watch for behavioral clues. Squinting and holding books very close to their face are the obvious ones, but the subtler signs are easy to miss.
A child who seems to have a short attention span during games or projects may actually be struggling to see. Losing their place while reading, avoiding close-up activities like drawing or puzzles, and turning their head to the side when looking at something straight ahead are all potential indicators. That head tilt in particular can signal astigmatism or another refractive error. If you notice any of these patterns, schedule an exam rather than waiting for the next school screening. School screenings catch some issues but miss many others.
When Screen Time Symptoms Cross a Line
Eye strain from computers and phones is extremely common and usually manageable with breaks and adjustments, like the 20-20-20 rule (every 20 minutes, look at something 20 feet away for 20 seconds). But computer vision syndrome becomes a reason to see a doctor when your symptoms are new, worsening, or persist even after you’ve made those changes. Chronic headaches, persistent blurry vision, and dry eyes that don’t respond to over-the-counter drops all deserve professional evaluation, not just lifestyle tweaks.
What Eye Exams Can Reveal Beyond Vision
One reason routine eye exams matter even when your vision feels fine is that the eye is a window into your overall health. The retina is the only place in the body where blood vessels can be observed directly without surgery, which means an eye exam can catch signs of systemic diseases before you have other symptoms.
High blood pressure shows up as changes in the retinal blood vessels, including narrowing and small hemorrhages. Autoimmune conditions like lupus and rheumatoid arthritis can cause inflammation visible inside the eye. Even neurological conditions sometimes surface first during a routine eye exam. These findings don’t replace your primary care visits, but they add a layer of early detection you wouldn’t get otherwise.
Optometrist vs. Ophthalmologist
Both can perform comprehensive eye exams and prescribe glasses or contacts. An optometrist handles routine vision care, screens for common diseases, and manages many eye conditions. An ophthalmologist is a medical doctor with surgical training, making them the right choice when you need eye surgery, have a complex disease like glaucoma or diabetic retinopathy, or have eye problems linked to a systemic condition like diabetes, autoimmune disease, or a neurological disorder.
For a standard checkup with no known issues, either professional works well. If your optometrist spots something that needs more specialized care, they’ll refer you to an ophthalmologist. If you already know you have a condition that puts your eyes at higher risk, starting with an ophthalmologist can save you a step.