What it is
Color blind glasses are eyewear with specially tinted lenses or filters. The filters change how certain wavelengths of light reach the eye. For some people, this may increase contrast between colors that otherwise look alike. Similar color-enhancing options also exist as contact lenses.
Color blindness, also called color vision deficiency, usually means colors are seen differently from the way most people see them. It is commonly grouped by type: protan (affecting red perception), deutan (affecting green perception) and tritan (affecting blue-yellow perception). Severity ranges from mild to more pronounced. It is more common in men and is often inherited, though some cases develop later in life.
Because the glasses filter light rather than change the eye, they do not cure color blindness and do not give someone typical color vision. How well they work varies by a person's specific type and severity. Some people notice a difference, some notice little, and some find the effect depends on lighting. Color-enhancing glasses are not a substitute for a color vision evaluation.
How it’s traditionally been approached
Many people with color vision deficiency have simply adapted over time. Common strategies include learning to rely on brightness, patterns, labels and position, such as knowing which traffic light position means stop, rather than depending on color alone.
Technology and design have also played a role. Color-labeling apps, phone camera filters, accessibility settings on screens and color-blind-friendly charts and signage can all make daily tasks easier. Family members, teachers and coworkers sometimes help by labeling items or choosing clearer color combinations.
Eye care professionals have traditionally used color vision tests to identify the type and degree of a deficiency. Tinted lenses and filters have been discussed for a long time as one possible aid among many. They are generally viewed as a tool that may help in certain situations, not as a fix.
How the right doctor may help
The right provider, such as an optometrist or ophthalmologist, may help by first confirming whether you have a color vision deficiency and which type it is. A comprehensive color vision test can show whether you are protan, deutan or tritan and how significant it is. This information can help you and your provider talk about what, if anything, might be appropriate.
A typical visit generally includes a conversation about your history, your daily challenges and any work or school needs, followed by an eye exam and color vision testing. If color-enhancing glasses or contact lenses come up, a provider may explain what they can and cannot do, and whether trying them seems reasonable for your situation. Only a licensed clinician decides what is appropriate after an evaluation.
Questions worth asking: What type and severity of color vision deficiency do I have? Could color-enhancing glasses help with my type, and what are realistic expectations? How do they work in different lighting? What is their regulatory status, and are they considered medical devices? If I need to meet color vision standards for a job, who should I check with?
The whole-person view
Body, mind and stress affect each other. Struggling to tell colors apart can sometimes bring frustration, embarrassment or worry, especially at school, at work or when choosing clothes. Eye strain, tiredness and stress can also make everyday visual tasks feel harder. Looking at the whole person means paying attention to both the practical side and the emotional side.
If body tension or stress is part of your picture, some people explore body-based support such as that offered by Somatic Experiences practitioners. If feelings about your vision, self-confidence or career worries are weighing on you, talk therapy through Therapists.plus may be one option to consider. These are optional supports and do not change color vision itself.
Keep in mind
- This page is educational only and is not medical advice. Color blind glasses do not cure color blindness or restore normal color vision, and results vary by type and severity.
- Only a licensed clinician can evaluate your vision and decide what is appropriate. Ask a provider about the regulatory status of any color-enhancing product you are considering.
- Color vision requirements for jobs such as aviation, military, law enforcement, commercial driving, electrical trades and maritime work vary by employer and authority and change over time. Confirm current requirements with the specific employer, licensing body or agency.
- Sudden changes in vision or color perception can signal a serious condition and should be evaluated by a licensed professional promptly. For emergencies call 911; in a crisis call or text 988.
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Frequently asked questions
Do color blind glasses really work?
Color blind glasses may help some people tell certain colors apart, but they do not cure color blindness or restore normal color vision. How well they work depends on your specific type (protan, deutan or tritan) and severity, as well as lighting. A licensed eye care provider can help you set realistic expectations.
Can color blind glasses cure color blindness?
No, color blind glasses cannot cure color blindness. They filter light to change how colors may appear, but they do not change the underlying cause of the color vision deficiency. Any product claiming to fix or cure color blindness should be questioned and discussed with a provider.
Who can benefit from color blind glasses?
It varies from person to person. Some people with certain types and severities of color vision deficiency notice more contrast between colors, while others notice little or no change. A comprehensive color vision test and a conversation with a licensed provider can help you decide whether trying them makes sense.
Are color blind glasses approved by the FDA?
Regulatory status can vary by product and how it is marketed, so it is best to ask a licensed provider about the specific item you are considering. Do not assume a product is a medical treatment just because it is sold online or described as helping with color blindness. A provider can explain what is known about its status.
How do I find out what type of color blindness I have?
A comprehensive color vision test performed by an eye care provider can identify whether you have a protan, deutan or tritan deficiency and how significant it is. Online screening tools may give a rough idea but are not a substitute for professional testing. Your provider can explain your results in plain terms.
Will color blind glasses help me pass a color vision test for work?
Do not assume they will. Color vision standards for careers like aviation, military, law enforcement, commercial driving, electrical trades and maritime work vary by employer and authority, and some may not allow filters or lenses during testing. Confirm current requirements directly with the specific employer, licensing body or agency.
Educational resource. Colorblind Glasses shares general information and connects people with independent doctors. It is not medical advice, diagnosis or treatment. Talk with a licensed professional about your health.