Have you noticed that night driving is harder, reading takes more effort, or glare seems worse than it used to be?
It’s easy to dismiss these changes as a normal part of getting older. But they can also be signs that your vision is changing in ways worth discussing with an eye doctor.
I’m Dr. Scott Spector, an eye surgeon, and these are some of the complaints I hear regularly from patients. Let’s look at five changes to watch for, along with a simple at-home check that can help you notice differences between your eyes.
1. You’re Constantly Reaching for Reading Glasses
Many people begin having trouble focusing on nearby objects in their 40s. This is called presbyopia, an age-related change that makes it harder for the natural lens to focus up close.
You may find yourself holding your phone farther away, needing brighter light to read, or keeping reading glasses in every room.
Presbyopia is common, but it is different from a cataract. Both involve age-related changes to the natural lens, although they affect vision in different ways.
2. Night Driving Is Getting Harder
Do oncoming headlights seem brighter than they used to? Do you notice halos, glare, or starbursts around streetlights?
These symptoms can occur when the natural lens becomes cloudy and scatters light. Cataracts are one possible cause, although dry eye, refractive errors, and other eye conditions can also contribute.
If night driving has become uncomfortable or difficult, it’s worth having your eyes evaluated.
3. Driving in the Rain Feels More Challenging
Rain creates a difficult combination of reflections, reduced contrast, and limited visibility.
When your vision is already affected by glare or reduced contrast sensitivity, wet roads and oncoming headlights can make driving especially challenging.
If you’ve started avoiding nighttime or rainy driving because you no longer feel comfortable seeing the road, mention that to your eye doctor.
4. Your Computer Screen Is Harder to See Clearly
Perhaps you can see across the room reasonably well and read your phone if you hold it at the right distance, but your computer monitor feels harder to focus on.
Computer work often requires clear intermediate vision, and the ideal correction depends on your prescription, age, and visual needs.
Presbyopia can make this distance more difficult, while dry eye and other changes can also contribute to blurry or fluctuating vision.
5. Glare Bothers You More Than It Used To
Maybe bright sunlight feels overwhelming when you leave a store, or low winter sun makes driving uncomfortable.
Increased sensitivity to glare can occur when light scatters inside the eye, including when cataracts develop. Other conditions can also cause light sensitivity or discomfort.
If glare is interfering with everyday activities, don’t assume it’s something you simply have to tolerate.
What Have You Changed About Your Daily Life?
One symptom alone doesn’t necessarily indicate a serious problem. But if you’ve noticed several of these changes, consider whether you’ve started adjusting your routine around your vision.
Perhaps you’ve moved a lamp closer to your favorite chair, stopped driving at night, or started choosing restaurants based on how well you can see the menu.
These small adaptations can happen gradually, making it easy to overlook how much your vision has changed.
Tell your eye doctor about these changes. How you see in everyday life is an important part of understanding your visual needs.
A Simple At-Home Check: Compare Your Eyes Separately
Your eyes don’t necessarily have identical vision. One eye may see less clearly than the other, while your brain relies on the clearer image to help you function normally.
You can check for noticeable differences between your eyes at home.
- Find a sheet of white printer paper and place it under consistent, neutral lighting.
- Cover one eye without pressing on it and look at the paper.
- Switch eyes and look at the same paper under the same conditions.
- Notice whether the brightness, color appearance, or clarity seems noticeably different.
Because cataracts can cause the natural lens to become more yellow or cloudy, you might notice a difference between your eyes. However, this test cannot diagnose cataracts, and differences in lighting, the tear film, or other eye conditions can affect what you see.
Even if both eyes look the same, you could still have cataracts or another vision problem. A comprehensive eye examination is the way to determine what’s happening.
What Happens If Your Natural Lens Is Changing?
The natural lens sits behind the iris and helps focus light onto the retina. As we age, it gradually becomes less flexible, and it may eventually become cloudy.
When that clouding begins to interfere with vision, it’s called a cataract.
Cataracts can cause glare, reduced contrast, and difficulty seeing clearly. The rate of progression varies, and not everyone needs surgery as soon as a cataract is identified.
If your vision is affecting your quality of life, an eye doctor can evaluate your eyes and explain your options. Cataract surgery may be appropriate when the benefits outweigh the risks for your individual situation.
The Bottom Line
Reading difficulties, increased glare, trouble driving at night, and changes in computer vision can all be reasons to have your eyes checked.
They don’t automatically mean you have cataracts, but they shouldn’t be dismissed as aging without an evaluation.
Try comparing your eyes separately at home, and pay attention to any changes that affect your daily activities. The paper test is only an informal observation—not a substitute for an eye examination.
The goal isn’t simply to find out whether your eyes are aging. It’s to understand what’s causing your symptoms and what can be done to help you see comfortably.
