Macular degeneration often starts with no noticeable symptoms at all. In its earliest stage, the only sign may be tiny yellow deposits under the retina that show up during an eye exam, long before you notice any change in your vision. As the disease progresses, symptoms range from subtle difficulty seeing in low light to significant central vision loss that interferes with reading, driving, and recognizing faces.
The symptoms you experience depend on the type of macular degeneration you have (dry or wet) and how far it has advanced. Here’s what to watch for at each stage.
Early Dry AMD: Often No Symptoms
In early dry age-related macular degeneration, small yellow deposits called drusen accumulate beneath the retina. Small drusen are common in people over 50 and don’t necessarily mean anything is wrong. But a large number of bigger drusen is an early sign of AMD. At this point, most people have no visual symptoms whatsoever. The disease is typically caught during a routine dilated eye exam, which is why regular checkups become important after age 50.
Some people in the early or intermediate stage begin to notice that they need brighter light for reading, or that it takes longer for their eyes to adjust when moving from a bright space to a dim one. These changes are easy to dismiss as normal aging, and they often are. But they can also be the first subtle hints that the macula is changing.
Difficulty Seeing in Low Light and Low Contrast
One of the earlier functional symptoms of macular degeneration is reduced contrast sensitivity. This means your ability to distinguish objects from similarly colored backgrounds declines. You might first notice it while driving in fog or rain, when the road, other cars, and the sky all blur together. Pouring coffee into a dark mug, finding a dark wallet inside a dark purse, or picking out a friend’s face in a dimly lit restaurant can all become harder.
Vision may feel flat or misty even though a standard eye chart test says your acuity is still reasonable. That’s because contrast sensitivity and visual sharpness are measured differently. You can still read the letters on a chart in a bright office but struggle to navigate a poorly lit parking garage. This loss of contrast also increases the risk of falls and injuries at home, particularly on stairs or uneven surfaces.
Wavy or Distorted Vision
Straight lines that suddenly appear wavy, bent, or broken are a hallmark symptom of macular degeneration, especially the wet form. This distortion is called metamorphopsia. It happens because the retina at the back of your eye needs to lie perfectly flat against the tissue beneath it to process light accurately. When fluid leaks under the retina (in wet AMD) or the tissue wrinkles or shifts, light hits your photoreceptors at slightly wrong angles, and the image your brain receives is warped.
The distortion can also make objects appear bigger or smaller than they actually are, or make parts of a scene look misshapen. Some people describe it as looking through a pair of glasses with the wrong prescription. Doorframes may seem to bow inward, text on a page may ripple, or the edges of a window might curve. If straight lines suddenly look wavy, that’s a sign you should contact an eye doctor promptly, as it can indicate wet AMD is developing.
A Blind Spot in Your Central Vision
As macular degeneration advances, many people develop a blind spot right in the center of their visual field, called a central scotoma. Some experience it as a distinct dark patch straight ahead. Others describe it less dramatically: the center of their vision isn’t black, but it’s blurry or smudged, as if someone smeared petroleum jelly on the middle of their glasses.
This central blind spot is particularly disruptive because the macula is responsible for the sharp, detailed vision you use for almost every focused task. Reading becomes difficult because letters disappear into the blind spot. Recognizing faces requires looking slightly off to the side. Driving becomes unsafe when you can’t see traffic signals or obstacles directly ahead. Peripheral vision typically remains intact, so you can still sense movement and navigate a room, but the fine detail in the center is gone.
Colors Becoming Dull or Washed Out
Changes in color perception are another symptom, though they tend to get less attention than blurriness or blind spots. Colors may look less vibrant than they used to, as though someone turned down the saturation on a screen. You might notice that reds look more muted, or that distinguishing between similar shades (navy versus black, for instance) becomes harder. This happens because the cone cells in the macula, which are responsible for color vision, are damaged as the disease progresses.
Dry AMD vs. Wet AMD: How Symptoms Differ
Dry AMD accounts for the vast majority of cases and tends to progress slowly over years. Symptoms creep in gradually: a little more trouble reading in dim light, a slight blur in central vision, colors that seem a bit faded. The most advanced form of dry AMD, called geographic atrophy, occurs when patches of retinal cells die off entirely. At that stage, symptoms include noticeable blind spots, significant loss of sharpness, and real difficulty with reading, driving, crafts, or anything requiring central vision.
Wet AMD is less common (about 10 to 15 percent of people with dry AMD eventually develop it) but more aggressive. Abnormal blood vessels grow beneath the retina and leak fluid or blood, causing rapid distortion and vision loss. The wavy-line distortion described above is the classic warning sign. Wet AMD symptoms can appear suddenly, over days or weeks rather than months, which is why quick medical attention matters.
Visual Hallucinations in Advanced Vision Loss
A lesser-known symptom that can accompany significant vision loss from AMD is Charles Bonnet syndrome. When the eyes send less visual information to the brain than they used to, the brain sometimes fills in the gaps by generating images on its own. These visual hallucinations can be simple geometric patterns, shapes, or lines, or they can be vivid and detailed: people, animals, buildings, or landscapes. They may be still or moving, in color or black and white, and they can last from a few minutes to several hours.
These hallucinations are purely visual. You won’t hear, smell, or feel anything that isn’t there. They’re not a sign of a psychiatric condition or cognitive decline. They’re the brain’s response to reduced visual input. Not everyone with advanced AMD experiences this, but people whose sight worsens suddenly or who lose vision in both eyes are more likely to. Understanding that this can happen helps reduce the fear and confusion if it does.
Monitoring Your Vision at Home
If you’ve been diagnosed with AMD, daily home monitoring with an Amsler grid is one of the simplest ways to catch changes early. The grid is a square of evenly spaced horizontal and vertical lines with a dot in the center, and using it takes less than a minute.
Wear any reading glasses you normally use and hold the grid 12 to 15 inches from your face in good light. Cover one eye. Focus on the center dot with your uncovered eye, and while keeping your gaze fixed there, use your peripheral awareness to check whether any of the surrounding lines look wavy, blurry, dark, or blank. Then repeat with the other eye. If any area of the grid looks distorted or different from the day before, contact your eye doctor right away. New waviness or dark spots on the grid can signal that dry AMD is converting to the wet form, and early treatment for wet AMD can preserve significantly more vision than delayed treatment.