By Dr. Chris Palmer
October is Blindness Awareness Month, and I think it is a good time to clear up something I hear misunderstood all the time, even from family members of my own patients. The word “blind” is used as if it means only one thing: total darkness, no vision at all. In reality, most people who are told they are “legally blind” still have usable vision, sometimes quite a bit of it. That difference matters, because it changes what is possible.
What People Usually Picture When They Hear “Blind”
When most folks hear the word blind, they picture someone with no vision whatsoever, someone who cannot see light, shapes, or color. That is actually a very small percentage of people living with vision loss. Total blindness, meaning a complete absence of light perception, is relatively rare. A much wider range of vision loss falls between perfect sight and no sight at all, and legal blindness sits within that range.
What Legally Blind Actually Means
Legal blindness is a specific, measurable definition, not a description of how much someone can or cannot see in daily life. In the United States, a person is considered legally blind if the best corrected vision in their better eye is 20/200 or worse, or if their visual field is 20 degrees or less, even with glasses or contact lenses. I want to underline that phrase, best corrected vision. Someone can meet the legal definition of blindness and still see faces, read large print, watch television, or recognize a familiar room.
Many of my patients at Low Vision Restoration are legally blind by that definition. They have been told by their eye doctor that there is nothing more that glasses, medication, or surgery can do for their primary eye condition, conditions like macular degeneration, glaucoma, diabetic retinopathy, Stargardt disease, retinitis pigmentosa, or vision loss from a stroke that affects half the visual field, known as hemianopsia. But legally blind is not the end of the conversation. It is often where low vision care begins.
Total Blindness Is a Different Situation
Total blindness means there is no usable vision left to work with, no light perception at all. For people in that situation, the most helpful path usually involves orientation and mobility training, guide dog programs, and other blindness skills training that teach a person to navigate the world without relying on sight. Organizations here in Minnesota, like the Lighthouse Center for Vision Loss, Vision Loss Resources, and Minnesota State Services for the Blind, do excellent work in that space, and I deeply respect the specialists who provide that kind of training.
Low vision care is a different kind of help, built for a different starting point. My work focuses on people who still have some usable vision, even if it is limited, and who want to make the most of it.
Why This Distinction Matters for Your Independence
Here is why I think this distinction matters. If someone hears “you are legally blind” and assumes that means their sight is gone entirely, they may give up on activities they could still do with the right support. I have met people in Coon Rapids and Inver Grove Heights who stopped reading, driving, or picking up a favorite pastime because they believed legal blindness meant there was nothing left to see. In many cases, that simply was not true.
No single solution works for everyone with low vision, which is exactly why I always start by listening. Some patients want to keep reading the newspaper or their mail. Others want to recognize a grandchild’s face across the room, get back to knitting or playing cards, or find a way to watch their favorite shows again. Someone with usable vision ranging from 20/40 to 20/400 or worse may be a strong candidate for low vision glasses and devices built around their specific goals.
If You Have Been Told You Are Legally Blind, Ask What Comes Next
If you or someone you love has been told they are legally blind because of macular degeneration, glaucoma, diabetic retinopathy, Stargardt disease, retinitis pigmentosa, a stroke, or another eye condition, I want you to know that label does not automatically mean giving up the things you love. I work alongside your current eye doctor, not in place of them. In fact, I will not see a new patient without a recent eye exam from their optometrist or ophthalmologist already on file. My role is to look at what usable vision remains and build a personalized plan of glasses, devices, and strategies around your specific goals.
There is life after vision loss, and understanding the real difference between legally blind and totally blind is often the first step toward finding it.
If you or a loved one has been told nothing more can be done, call 612-729-3030 for a free low vision phone consultation. I see patients at my offices in Inver Grove Heights and Coon Rapids, and I serve people throughout Minnesota, North Dakota, Wisconsin, and beyond.
