Honey Bee Eyes: How Bees See the World—and What They Can Teach Us About Vision
- 5 days ago
- 15 min read
Hi Sweet Friends!
August is National Eye Exam Month and that got us thinking about, you guessed it, honey bees!
We spend a lot of time watching our honey bees. We watch them leave the hive in search of nectar and pollen, navigate from flower to flower, return home, communicate with their sisters, and somehow find their way back to the same little colony after traveling across the landscape.
But have you ever stopped to wonder what the world looks like through a honey bee's eyes?
We certainly have.
The answer involves some pretty amazing science. Honey bees see light that humans cannot see, process colors differently than we do, use information from the sky to help them navigate, and have a visual system specially equipped for life as a flying insect.
And while researching honey bee eyes, we found ourselves thinking about something much closer to home: human vision.
That connection became especially personal for our Beekeeper Stacie, who discovered that some of the vision-related difficulties she had experienced for years had a name: binocular vision dysfunction, or BVD.
But we'll get to that part of the story later.
First, let's take a closer look at the remarkable eyes of the honey bee. Grab your favorite beverage (sweetened with our honey, of course!), find a comfortable porch swing, and settle in with us for a little while. This is one of those topics that begins with something you may think you already know and quickly turns into something much more fascinating. Join us on the journey to see the world through the eyes of a honey bee!
🐝 Five Eyes?!
A honey bee has FIVE eyes! Two large compound eyes provide most of the bee's detailed visual information, while three smaller ocelli are especially sensitive to light levels and changes in illumination.Five eyes may sound excessive to us, but for a flying insect navigating a complicated world, each part of the visual system has an important job.
The Two Big Eyes: Compound Eyes
The large eyes on the sides of a honey bee's head are called compound eyes. Unlike our eyes, which use a single main optical system to form an image, a compound eye is made up of many individual visual units called ommatidia.
Each ommatidium contains photoreceptor cells that respond to light. A worker honey bee has thousands of these visual units in each compound eye, giving her a broad field of vision that is particularly useful for an animal that spends much of her life flying.
It is tempting to imagine that a honey bee simply sees thousands of tiny pictures that are somehow stitched together into one big image. The reality is considerably more complicated. The bee's visual system processes information such as color, contrast, movement and spatial relationships in ways that are specifically useful to a flying insect.
A honey bee doesn't need to see the world exactly as we do. Her visual system needs to answer very different questions: Where is the flower? Where am I going? What is moving? Where is the hive? Is something approaching? Where is the sun?
Her eyes and nervous system are beautifully adapted to those needs.
The Three Little Eyes on Top
The three smaller eyes are called ocelli. They sit in a triangle on top of the honey bee's head and function differently from the compound eyes.
Rather than providing the detailed image-forming vision we generally associate with our own eyes, the ocelli are particularly useful for detecting light intensity and changes in illumination.
That becomes especially interesting when we start looking at how honey bees navigate.
Because honey bees don't rely only on landmarks to find their way around. They can also use information from the sky.
🌈 Bees See a Color We Can't
One of the most fascinating things about honey bee vision is that bees can see ultraviolet light, which is invisible to human eyes.
Honey bees have three main types of color photoreceptors with peak sensitivities in the ultraviolet, blue and green portions of the spectrum. Their visual system is therefore shifted toward shorter wavelengths than ours.
That means a honey bee's visual world contains information that we simply cannot see.
And this isn't just a fascinating laboratory fact. Ultraviolet sensitivity is an important part of the way honey bees interact with flowers and their environment.
🌻 The Flower You Can't See
That flower may have a secret pattern. Some flowers have ultraviolet-reflecting and ultraviolet-absorbing patterns that are invisible to humans but can provide useful visual information to pollinating insects.So when we look at a flower and see one beautiful color, a honey bee may be detecting a much more complicated visual pattern.
Plants and their pollinators have been wonderfully designed to work alongside one another, and many flowering plants have visual characteristics that are particularly useful to the insects that visit them.
To us, a flower may simply look beautiful. To a honey bee, it may also contain information about where to land and where to find a reward.
The next time you look at a flower, it is worth remembering that you may not be seeing the entire visual world that a bee sees.
Honey Bees Can Read the Sky
Flowers aren't the only part of the environment that honey bees use their vision to understand.
One of the strangest and most impressive abilities of honey bees is their sensitivity to polarized light.
As sunlight passes through Earth's atmosphere, it produces patterns of polarized light in the sky. Honey bees have specialized photoreceptors in an area of the compound eye known as the dorsal rim area that are particularly sensitive to this information.
The pattern of polarized light can provide information about the position of the sun, even when the sun itself isn't directly visible. Research has demonstrated that honey bees can use polarized-light information as a navigational cue.
☀️ The Sky Is a Compass
A honey bee doesn't always need to see the sun to use the sun for navigation.Patterns of polarized light in the sky can provide information about the sun's position, helping bees maintain a sense of direction even when clouds or other conditions obscure the sun itself.
Think about that for a moment.
We can look at a cloudy sky and think, "I can't see the sun."
A honey bee may still be able to extract useful directional information from the light around her.
The Waggle Dance Is a Visual Conversation
Most people have seen photographs or videos of honey bees performing the famous waggle dance.
A successful forager returning to the colony can perform a dance that communicates information about the location of a food source. The direction of the waggle run provides information about the direction of the food relative to the sun.
Honey bees are capable of using polarized-light information as part of their navigational system, which helps explain how visual information from the sky can be incorporated into this remarkable communication system.
So a bee's eyes aren't simply helping her find flowers.
They're helping her communicate information about the outside world to other bees.
One bee finds the flowers, returns home and dances. Another bee watches and receives information that can help guide her to the food source.
It is a visual conversation taking place inside the darkness of the hive.
Bees Are Built to See While Flying
Imagine trying to navigate the world while flying instead of walking.
The visual environment would constantly be moving across your field of view. Motion, edges, contrast and changes in the visual environment would become extremely important.
Honey bee vision is adapted to process precisely these kinds of information.
That is why the question "What does a bee see?" is actually much more complicated than it sounds.
Scientists can measure the wavelengths honey bees detect. They can study their photoreceptors, test their ability to distinguish colors and patterns, and observe how bees respond to movement and navigate through their environment.
But we can't climb inside a honey bee's head and ask her what a flower looks like.
We can only infer her visual experience from the sensory system she has evolved to use.
(see the photo below for what it might look like) And that leads to another fascinating discovery.
Not All Honey Bees See Exactly the Same Way
A honey bee colony contains workers, queens and drones, and each caste has different responsibilities.
Their visual systems reflect some of those differences.
A 2025 study examined the distribution of opsins—light-sensitive proteins involved in vision—across the visual systems of workers, queens and drones. Researchers found differences among the castes, including particularly striking differences in the upper portions of drone compound eyes.
Drones have enormous compound eyes compared with workers and queens. In fact, their eyes occupy so much of the head that they can meet or nearly meet at the top.
There is a reason for that.
Drones have a very different job from worker bees, and their visual system is adapted to the demands of their lives.
Nature tends to be remarkably economical. If an insect is carrying around enormous eyes, there is probably a very good reason.
Can a Honey Bee Recognize a Human Face?
Here's another fascinating example of what a tiny brain can accomplish.
Research has demonstrated that honey bees can learn and distinguish complex visual patterns, including patterns representing human faces.
That doesn't mean a honey bee recognizes a human face in exactly the same way that we do. Bees aren't sitting around the hive thinking, "Oh, there's Beekeeper Tom again."
But the ability to learn and discriminate complex visual patterns is remarkable when we consider the size of a honey bee's nervous system.
It is another reminder that sophisticated visual processing doesn't require a human-sized brain. Different species have evolved different ways of extracting useful information from the world around them.
👀 And Then We Started Thinking About Our Own Eyes
This is where our story becomes personal.
We spend a lot of time thinking about honey bee eyes because we keep bees. But one of us has another reason to be fascinated by vision. And since it is National Eye Exam Month, we thought is was important to share.
Stacie has binocular vision dysfunction, or BVD.
And until fairly recently, she had never even heard of it.
When the Story Became Personal
As you may know from previous blog posts, our Beekeeper Stacie has been dealing with chronic illness. And while researching honey bee vision for this article, we couldn't help but think about her own experience with vision.
So, for this part of the story, we're going to let Stacie tell you about it herself.
 Stacie's StoryAs you may know from previous blog posts, I've been dealing with chronic illness for quite some time. Over the years, I've experienced more symptoms and challenges than I ever imagined I would have to navigate. One of the hardest parts has been trying to make sense of it all. When you have so many different things going on, it can be difficult to know what is connected, what isn't, and what you simply have to learn to live with. For a long time, I never really considered my vision to be part of that puzzle. I did need reading glasses, but I could see. I could read (with reading glasses), watch television, drive (up until 7 years ago), and look across a room without thinking there was anything particularly unusual about my eyesight. As far as I knew, my eyes were doing what eyes were supposed to do. There were, however, little things I had learned to live with. I had very frequent headaches and migraines. Sometimes I would run into things. I dealt with dizziness and nausea, and walking into a busy store could sometimes be an overwhelming experience. There was so much to look at, so much movement and so much visual information coming at me that sometimes it felt like my senses simply couldn't keep up. I just thought it was the fluorescent lights. But when you've lived with something for a long time, you don't always recognize it as a symptom. You adapt. You find little ways to make things easier. You cover one eye. You take a break from reading. You look away from the television. You leave the store when it becomes too much. You learn what you can tolerate and what you can't. Eventually, those adaptations can become so ordinary that you don't even think to ask why you're doing them. That's where I was. I never sat there thinking, Something must be wrong with the way my eyes are working together. I had other health issues to worry about. There were plenty of possible explanations for headaches, dizziness and nausea. And honestly, I had gotten pretty good at working around the things that made me feel lousy. Then, completely by chance, I came across a video from Dr. David Antonyan, O.D., talking about something I had never heard of before: binocular vision dysfunction, or BVD. I almost could have kept scrolling. Instead, I watched. And as I listened, something strange started happening. I began recognizing myself. The headaches. The migraines. The dizziness. The nausea. The difficulty in visually busy places. And then I heard something that stopped me in my tracks. Covering one eye while reading. I had done that for years. I had never thought of it as a vision problem. It was just something I did because, sometimes, it made things easier. I had never wondered whether there was a reason using one eye felt better than using both. But suddenly, I had a question. Could some of these things have something to do with the way my two eyes were working together? That question opened a door I didn't even know existed. I started researching BVD. The more I learned, the more I realized that being able to see clearly doesn't necessarily mean that the two eyes are working together comfortably and efficiently.  And then came the next challenge: finding someone who actually understood binocular vision. One of the things I quickly learned was that there is a difference between being able to see the letters on an eye chart and having your eyes work comfortably together. A standard eye exam and a specialized binocular vision evaluation aren't necessarily looking at exactly the same things. A person can have good visual acuity—even 20/20 vision—and still have difficulty with the way the two eyes coordinate. That distinction mattered enormously to me. I didn't need someone to tell me whether I could see. I already knew I could see. I needed someone to look at how my eyes were working together. Finding the right eye-care professional wasn't necessarily easy, but eventually I found someone who understood binocular vision and could perform the specialized testing I needed. Then came the moment I will probably never forget. I put on my new prism lenses. And almost immediately, I could tell that something was different. Life changing. It is difficult to explain what that moment felt like when you've spent years assuming that the way you experience the world is simply the way the world is. My visual experience changed. Things felt different. The headaches and migraines that had become such a regular part of my life changed dramatically, and activities that had once been difficult became easier. It was as though a door had opened into a version of everyday life that I hadn't realized was possible. And perhaps the biggest realization was this: How much work had my visual system been doing just to get through an ordinary day? I had spent years adapting without realizing that I was adapting. I hadn't known that covering one eye could be a clue. I hadn't known that the way I felt in a crowded store might have a visual component. I hadn't known that being able to see clearly didn't necessarily mean that my eyes were working together as comfortably as they could. And I certainly hadn't known that the right lenses could make such a profound difference. Prism lenses can be used in certain binocular vision disorders to change the way light enters the eyes and reduce particular visual demands. The appropriate treatment depends on the individual and the specific binocular vision problem, so my experience should not be taken as a promise that prism lenses will have the same effect for everyone. But for me? They changed my life. Why I'm Sharing ThisI'm not sharing my story because I want anyone reading this to diagnose themselves. A headache isn't automatically BVD. Dizziness isn't automatically BVD. Nausea isn't automatically BVD. There are many possible causes for all of these symptoms. I'm sharing it because I didn't know BVD existed. I didn't know there was such a thing as binocular vision dysfunction until I happened to see that video. And once I knew it was a possibility, I was able to start asking better questions. That's what I hope someone else can take away from my story. If something about the way you see doesn't feel right, it's okay to ask about it. You can tell your eye-care professional what you're experiencing and ask whether your binocular vision should be evaluated. And if your regular eye-care provider doesn't work with binocular vision disorders, you may need to look for someone who specializes in this area. It took me some searching to find the right person, but I believe it was worth every bit of the effort. There is one thing I especially wish someone had told me sooner: You don't have to know what's wrong before you ask for help. Sometimes you just need to know that what you're experiencing is worth asking about. For me, one unexpected video started that process. A question led to research. Research led to testing. Testing led to answers. And those answers changed the way I experience the world around me.  Now back to the blog... |
👀 August Is National Eye Exam Month
Why are we even talking about honey bees and vision? Well apparently, the calendar decided this was the perfect month for us to write about all of this.
August is commonly observed as National Eye Exam Month, making it a timely reminder to pay attention to our vision and keep up with appropriate eye care.
National Eye Exam Month focuses on the importance of routine eye checkups, catching early signs of vision loss, and finding hidden health issues like diabetes or high blood pressure before symptoms start
Why Eye Exams Matter
Catch silent diseases: Conditions like glaucoma, cataracts, and macular degeneration can grow without early warning signs.
Update prescriptions: Vision changes slowly over time, and a new prescription stops eye strain.
Protect overall health: An eye doctor can spot signs of high blood pressure and diabetes during a checkup.
Recommended Exam Schedule
Children: First check at 6 months, age 3, and before starting school.
Adults (18 to 39): At least one baseline check or every few years as advised.
Adults (40 to 64): Comprehensive exam every 2 to 4 years.
Adults (65 and older): Exam every 1 to 2 years.
High risk: People with diabetes or a family history of eye disease need yearly or more frequent exams.
🐝 What Honey Bees Taught Us About Seeing
This is the connection that fascinates us most.
We started this blog because honey bees have incredible eyes. They can detect ultraviolet light that we cannot see, use polarized light to help navigate, process visual information while flying, and communicate information about food sources through the waggle dance.
But the more we learned about how honey bees see, the more we started thinking about our own vision.
Seeing isn't simply looking.
Our eyes collect information, our nervous systems carry and process it, and our brains turn all of that information into the world we experience. A honey bee does this differently than we do, and even among humans, the same environment can be experienced very differently.
A flower may simply look beautiful to us, while a honey bee can detect ultraviolet patterns we can't see. A sunny sky may look simply blue to us, while a honey bee can gather information from polarized light. And a busy store may feel completely ordinary to one person while being visually exhausting or overwhelming to someone whose eyes aren't working comfortably together.
We can't climb inside a honey bee's head and ask her what the world looks like. We can only study what her eyes detect and how she responds to that information.
But perhaps that's the most fascinating part.
There is so much more to seeing than we realize.
The Next Time You Look at a Honey Bee...
Take a second look.
Those little eyes aren't simply shiny dots on an insect's face. They are part of an extraordinary visual system that allows a honey bee to experience information that is completely invisible to us.
And after learning all of this—and after hearing Stacie's story—we hope you'll look at your own vision a little differently, too.
Since August is National Eye Exam Month, it's a wonderful time to pay attention to your eye health and to talk with an eye-care professional if something about your vision doesn't feel right.
And now we're curious: Did you know honey bees could see ultraviolet light? Or had you ever heard of BVD before reading Stacie's story? Tell us in the comments—we'd love to hear from you! 🐝👀🍯
And perhaps that's one more thing these remarkable little bees can teach us:
There is always more to seeing than meets the eye.
Until Next Time- Stay Sweet!
Tom & Stacie
Tom and Stacie, are co-owners of Fingerlakes Honey Company located in the bee-utiful Finger Lakes region of New York State. When they are not tending to all things bees, they enjoy spending time with their grown children, their dog, and lots of chickens on their homestead. They love learning more about the bees they foster and helping others to learn more about them as well.
Sources & Further ReadingHoney Bee Vision
Binocular Vision
National Eye Exam Month National Eye Exam Month is observed throughout August as a reminder to prioritize eye health and eye examinations. Find out more |
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