Anti-Reflective Coating: What It Is & Is It Worth It?
Anti-reflective coating, often called AR coating or anti-glare coating, is a thin optical coating applied to eyeglass lenses to reduce reflections from the front and back surfaces of the lenses.
Without anti-reflective coating, light can reflect off your lenses instead of passing through them. These reflections may be especially noticeable around headlights, computer screens, overhead lighting, and in photographs.
Anti-reflective coating can make lenses appear clearer, reduce distracting reflections, and allow other people to see your eyes more easily through your glasses.
But what does anti-reflective coating actually do? Does it help with night driving? Is it the same as blue light protection? And does every pair of glasses need it?
This guide explains how anti-reflective coating works, its advantages and limitations, and when you may want to consider adding it to your lenses.
Quick Answer
Anti-reflective coating reduces reflections from the surfaces of your eyeglass lenses.
It can:
- Reduce distracting reflections on your lenses.
- Improve the cosmetic appearance of your glasses.
- Allow more light to pass through the lenses rather than reflecting off their surfaces.
- Make your eyes more visible to other people.
- Reduce reflections from headlights and artificial lighting.
- Be particularly useful with high-index lenses, which tend to produce more surface reflections.
Anti-reflective coating does not change your prescription, eliminate every source of glare, or automatically make a lens polarized.
1. What Is Anti-Reflective Coating?
Whenever light reaches an eyeglass lens, most of it passes through the lens, but some light reflects from its surfaces.
Those reflections can sometimes appear as bright spots or distracting glare on your glasses.
Anti-reflective coating consists of very thin layers applied to the lens surfaces that are designed to reduce these reflections.
This allows more light to pass through the lens instead of reflecting away from it.
You may hear several similar terms:
- Anti-reflective coating
- AR coating
- Anti-glare coating
- Non-glare coating
Although “anti-glare” is commonly used, anti-reflective coating is the more precise term because the coating reduces lens reflections rather than eliminating every type of glare.
2. What Does Anti-Reflective Coating Look Like?
Most of the time, you don’t really “see” the coating.
Instead, you notice fewer reflections.
Without AR coating, you may see bright white reflections across the lenses when looking at someone wearing glasses.
With AR coating, the lenses often appear more transparent, making the wearer’s eyes easier to see.
Depending on the particular coating and lighting, you may notice a subtle residual green, blue, purple, or another colored reflection at certain angles. This is normal and does not necessarily indicate a problem with the lenses.
3. What Are the Benefits of Anti-Reflective Coating?
The primary benefit is reducing unwanted reflections.
Clearer-looking lenses
Reducing surface reflections can make your glasses appear more transparent.
This is particularly noticeable when someone is looking directly at you.
Better appearance in photographs and video
Bright lights, camera flashes, windows, and screens can create visible reflections on eyeglass lenses.
AR coating can reduce these reflections, making your eyes easier to see in photographs and video calls.
Fewer distracting reflections
Artificial lighting, headlights, and other bright light sources can create noticeable reflections on lenses.
Reducing those reflections can make your glasses more comfortable to use in certain environments.
More light transmission
Because less light is reflected away from the lens surfaces, more light can pass through the lenses.
4. Does Anti-Reflective Coating Help With Night Driving?
Anti-reflective coating can be particularly useful at night because reflections from headlights, streetlights, and other bright light sources can become more noticeable in dark environments.
AR coating reduces reflections generated by the surfaces of your eyeglass lenses.
However, it is important to understand what it doesn’t do.
Anti-reflective coating cannot eliminate all nighttime glare, halos, or vision difficulties. These symptoms can have many causes, including your prescription, the condition of your glasses, and your eyes.
If you experience significant or worsening difficulty seeing at night, an eye care professional can help determine the cause.
5. Anti-Reflective vs. Anti-Glare: Are They the Same?
You’ll often see these terms used interchangeably.
In everyday eyewear shopping, “anti-glare” usually refers to anti-reflective coating.
Technically, however, reducing reflections and reducing glare aren’t exactly the same thing.
Anti-reflective coating primarily reduces reflections created at the surfaces of your lenses.
For example, it can reduce the reflection of a lamp appearing across your lens.
It does not eliminate reflected glare coming from the environment, such as sunlight reflecting from water or a wet road. Polarized lenses are specifically designed to reduce certain types of reflected glare.
6. Anti-Reflective vs. Polarized Lenses
These are two different technologies.
Anti-reflective coating reduces reflections from the surfaces of your eyeglass lenses.
Polarized lenses reduce certain reflected glare coming from surfaces such as:
- Water
- Roads
- Snow
- Glass
Polarization is commonly used in sunglasses and can be particularly useful outdoors.
One isn’t necessarily “better” than the other because they solve different problems.
7. Anti-Reflective vs. Blue Light Lenses
Anti-reflective coating and blue light filtering are also different features.
An AR coating is designed primarily to reduce lens-surface reflections.
A blue light filtering lens or coating is designed to reduce certain wavelengths of visible blue light reaching the eyes.
Some lens products combine multiple features, so a lens may have both anti-reflective properties and blue light filtering.
However, don’t assume that choosing one automatically means you’re receiving the other.
For more information, see our Blue Light Glasses guide.
8. Is Anti-Reflective Coating More Important for High-Index Lenses?
Anti-reflective coating can be especially useful on high-index lenses.
High-index materials are designed to produce thinner lenses for stronger prescriptions, but they generally reflect more light at their surfaces than conventional plastic lens materials.
Because of this, AR coating is commonly paired with high-index lenses to reduce these reflections.
If you have a stronger prescription and are considering thinner lenses, see our High-Index vs. Polycarbonate Lenses guide.
9. Does Anti-Reflective Coating Prevent Scratches?
Not necessarily.
Anti-reflective and scratch-resistant coatings are different things.
AR coating is designed to reduce reflections.
Scratch-resistant treatment is designed to make the lens surface more resistant to everyday scratching.
Modern lens products may combine several treatments into one coating system, but you shouldn’t assume that all anti-reflective coatings provide the same level of scratch resistance.
At Choice Eyewear, our lenses include a scratch-resistant coating as a standard feature.
10. Does Anti-Reflective Coating Block UV?
Anti-reflective coating and UV protection are separate lens features.
AR coating is primarily designed to reduce reflections.
UV protection is designed to reduce transmission of ultraviolet radiation through the lenses.
A lens can have both features, but AR coating by itself shouldn’t be treated as a substitute for UV protection.
At Choice Eyewear, our lenses include UV protection as a standard feature.
11. Is Anti-Reflective Coating Good for Computer Use?
AR coating can be helpful when using computers because it reduces reflections on the surfaces of your lenses from surrounding light sources.
For example, overhead lighting or a window behind you can create reflections that may be distracting while looking at a screen.
However, anti-reflective coating shouldn’t be confused with blue light filtering.
And while reducing reflections may improve visual comfort for some people, AR coating isn’t a treatment for all causes of digital eye strain.
If you spend long periods using screens, factors such as taking regular breaks, blinking, screen position, lighting, and having an appropriate prescription may also matter.
12. Are There Any Disadvantages?
Anti-reflective coating has several benefits, but there are a few things to consider.
Depending on the coating:
- It may increase the price of your lenses.
- Smudges may sometimes be more noticeable on very clear lenses.
- The coating requires proper cleaning and care.
- Coating quality can vary.
- It doesn’t eliminate every type of glare or reflection.
Higher-quality AR coatings may also include additional properties designed to make lenses easier to clean or more resistant to smudges.
13. How Do You Clean Glasses With Anti-Reflective Coating?
Proper cleaning helps protect both your lenses and their coatings.
For everyday cleaning:
- Rinse your glasses with lukewarm water when possible.
- Use a small amount of lotion-free dish soap if necessary.
- Gently clean both sides of the lenses.
- Rinse thoroughly.
- Dry with a clean microfiber cloth.
Avoid using:
- Paper towels
- Tissues
- Clothing
- Abrasive cleaners
- Household glass cleaners
These materials or products may scratch or damage eyeglass lenses and their coatings over time.
14. Who Should Consider Anti-Reflective Coating?
AR coating may be especially useful if you:
- Drive frequently at night.
- Wear your glasses throughout the day.
- Work around bright artificial lighting.
- Spend significant time on computers.
- Frequently participate in video calls.
- Want your lenses to look more transparent.
- Wear high-index lenses.
- Find lens reflections distracting.
It isn’t required for everyone, but it can be a worthwhile lens option for many full-time glasses wearers.
Common Mistakes When Choosing Anti-Reflective Coating
Avoid these common misunderstandings:
- Assuming anti-reflective means polarized.
- Assuming AR coating eliminates all glare.
- Assuming anti-reflective and blue light filtering are the same thing.
- Expecting AR coating to correct nighttime vision problems.
- Assuming AR coating automatically provides UV protection.
- Assuming AR coating and scratch-resistant coating are the same feature.
- Cleaning coated lenses with household glass cleaner.
- Wiping dirty lenses with clothing or paper towels.
- Assuming all AR coatings are identical.
Understanding what the coating actually does makes it easier to decide whether it’s useful for your glasses.
Frequently Asked Questions
Is anti-reflective coating worth it?
It can be particularly useful for people who wear glasses throughout the day, drive at night, use high-index lenses, or dislike visible reflections on their glasses.
Is anti-reflective coating the same as anti-glare?
The terms are commonly used interchangeably when discussing eyeglasses, although anti-reflective is technically the more accurate description.
Does anti-reflective coating help with night driving?
It can reduce reflections from your eyeglass lens surfaces, which may be particularly noticeable around headlights and streetlights at night. It does not eliminate every source of nighttime glare.
Does anti-reflective coating make glasses completely reflection-free?
No. Some reflections can still be visible depending on the lighting and viewing angle.
Why do I see a green or blue reflection on my lenses?
A subtle colored residual reflection can be a normal characteristic of certain anti-reflective coatings.
Does anti-reflective coating make lenses clearer?
AR coating reduces surface reflections and increases the amount of light transmitted through the lens, which can make lenses appear clearer.
Does AR coating block blue light?
Not necessarily. Anti-reflective and blue light filtering are different lens features.
Does AR coating prevent scratches?
AR coating itself isn’t the same as a scratch-resistant treatment, although some modern coating systems combine several protective features.
Does anti-reflective coating block UV?
AR and UV protection are different features. Check the specifications of the particular lens you’re purchasing.
Can I use glass cleaner on anti-reflective lenses?
Household glass cleaners aren’t recommended for eyeglasses because their ingredients may damage certain lens materials or coatings.
Can anti-reflective coating wear off?
Lens coatings can become damaged or deteriorate over time, particularly when lenses are exposed to improper cleaning, excessive heat, or abrasive materials.
Can progressive lenses have anti-reflective coating?
Yes. Anti-reflective coating is commonly available on progressive lenses as well as single-vision lenses.
Key Takeaways
Anti-reflective coating reduces reflections from the surfaces of your eyeglass lenses.
Its biggest advantages are clearer-looking lenses, fewer distracting reflections, and improved light transmission.
It can be particularly useful for high-index lenses, nighttime environments, computer users, and people who wear their glasses throughout the day.
Just remember that AR coating isn’t the same as polarization, blue light filtering, scratch resistance, or UV protection. These are separate lens features, although some lens products combine several technologies.
Need More Help?
Not sure which lens options are appropriate for your prescription?
Contact the Choice Eyewear team and we’ll be happy to help explain the available lens options before you place your order.
