Solar Eclipse Glasses for the 2024 Eclipse: Safety and NASA Approval

Colorful banner with two children and one dog wearing solar eclipse glasses

On Monday, April 8, 2024, people across North America will have the rare opportunity to witness day turning into night as the Moon passes between the Earth and the Sun – a Total Solar Eclipse. Lucky for us, one of the best locations to experience the 2024 Total Solar Eclipse is the vibrant Dallas-Fort Worth (DFW) Metroplex.

A crowd of people pointing during a solar eclips

The 2024 Total Solar Eclipse is a once-in-a-lifetime occurrence, with Texas’ next Total Solar Eclipse not expected for at least 200 years. It’s an event that beckons every Texan to seize the moment, a moment when stars appear in the daytime sky, animals exhibit peculiar behavior, the light takes on an eerie quality and a sense of wonder fills the air. After viewing the 2017 Total Solar Eclipse, Jeanette Preniczky of Arlington, Virginia, at Clemson University told Greenville News, “I just saw the little piece and I’m just getting so emotional. It’s just so humbling. It’s a very humbling experience.” Don’t let this remarkable phenomenon slip through your fingers. Mark your calendar for April 8, 2024, and prepare to be a part of history.

But as you embark on this incredible journey into the celestial wonders, safety should be at the forefront of your mind. Among the essential safety precautions, Solar Eclipse glasses play a crucial role in ensuring that your viewing experience is memorable and safe. However, some misconceptions regarding NASA approval and ISO certification must be clarified.

This blog will delve into the specifics of the 2024 Total Solar Eclipse, including what you can expect to witness in Dallas-Fort Worth. We’ll explore this event’s excitement among Eclipse enthusiasts and emphasize the importance of safety as we approach this momentous day. So, let’s embark on this cosmic journey and prepare for a remarkable celestial show in the heart of the DFW metroplex.

two people watching a solar eclipse with solar eclipse glasses

The 2024 Total Solar Eclipse

On April 8, 2024, the Dallas-Fort Worth region will find itself in the Path of Totality, making it the best location to experience the Total Solar Eclipse. This means that residents and visitors alike will have the extraordinary opportunity to witness a phenomenon where the Moon completely obscures the Sun, casting a shadow over the land and plunging areas within the Path of Totality into darkness during the daytime for a few precious minutes.

DFW is one of the largest metropolitan areas in the United States, encompassing over 7.6 million residents and spanning 13 counties and 228 cities and towns. This sprawling region, covering 9,286 square miles, is renowned for its dynamic culture, innovation and diverse opportunities. As of 2023, it is the fastest-growing region in the USA and ranked as the fourth-largest region in the country. Some even project that DFW could become the biggest metro in the United States by 2100.

The significance of the 2024 Total Solar Eclipse goes beyond its celestial marvel; it presents an opportunity for the Dallas-Fort Worth metroplex to shine as the largest region in the United States to experience the Eclipse on April 8, 2024. With a TV household population of 2,713,380, DFW is set to become the epicenter of Eclipse excitement, drawing skywatchers and enthusiasts from near and far.

As we approach this momentous day, the excitement among Eclipse enthusiasts is palpable. Astronomers, photographers, Eclipse chasers and curious minds are gearing up to capture this rare event. However, it’s crucial to remember that safety should always be a top priority. In the following sections, we will discuss the significance of Solar Eclipse glasses, debunk misconceptions about NASA approval and ISO certification and provide you with the information you need to make the most of this extraordinary event while safeguarding your eyesight.

Solar Eclipse Glasses Safety

2024 Total Eclipse DFW official solar eclipse glasses

Solar Eclipse glasses play a vital role in ensuring a safe and enjoyable viewing experience during a Solar Eclipse. Here’s why they are essential:

  1. Eye Safety: Looking directly at the Sun during a Solar Eclipse can cause permanent damage to your eyes. The intense Solar radiation can harm the delicate cells in your retinas, leading to conditions like Solar retinopathy, which can result in vision impairment or blindness. Solar Eclipse glasses are designed with special filters that block out harmful Solar rays, allowing you to observe the Eclipse without risking eye damage.
  2. Protection from Harmful UV and Infrared Rays: Solar Eclipse glasses are not just Sunglasses; they protect against ultraviolet (UV) and infrared (IR) radiation from the Sun. These types of radiation can also be harmful to your eyes and skin. Eclipse glasses are specially designed to filter out these dangerous rays.
  3. Enhanced Eclipse Viewing: Eclipse glasses are engineered to reduce the Sun’s brightness to a safe level, allowing you to see the Eclipse safely. Without them, the Sun’s intense brightness can make observing the Eclipse’s phases and details challenging.

Harmful Effects of Looking at the Sun Without Proper Protection

It’s essential to emphasize the potential consequences of looking at the Sun without proper protection, especially during a Solar Eclipse:

  • Eye Damage: Directly staring at the Sun, even for a few seconds, can cause immediate and irreversible damage to your eyes. The Sun’s intense radiation can burn the retinas, leading to permanent vision impairment or blindness.
  • Discomfort and Pain: Attempting to view a Solar Eclipse without adequate protection can result in discomfort, eye pain and temporary vision issues.
  • Risk to Children: Children may be especially vulnerable to the temptation of looking at the Sun during an Eclipse. Ensuring they have proper Eclipse glasses and supervision is crucial to avoid potential harm.

The Problem with Solar Eclipse Glasses NASA Approved 2024

There are misconceptions regarding NASA’s role in approving Solar Eclipse glasses, which need clarification:

  • False Claims by Vendors: Some vendors falsely claim that their Solar Eclipse glasses are “NASA-approved” or endorsed by NASA. It’s important to note that NASA DOES NOT ENDORSE or APPROVE specific brands or products. The agency’s primary role is to provide information, safety guidelines and educational resources related to Eclipses.
  • NASA’s Role in Safety: NASA plays a significant role in promoting Eclipse safety. The agency offers guidance on safely viewing Eclipses, including using proper eyewear like ISO 12312-2 certified Solar Eclipse glasses. NASA’s priority is to ensure that the public has accurate and reliable information to protect their eyes during Solar events.
  • Accredited Testing: The safety of Solar Eclipse glasses is determined through testing by accredited laboratories to meet international safety standards, such as ISO 12312-2. Only properly accredited test labs can certify that products meet these standards. NASA does not have a direct role in this certification process.

In summary, Solar Eclipse glasses are essential for protecting your eyes and ensuring a safe viewing experience during a Solar Eclipse. It’s crucial to be aware of vendors’ false claims about NASA approval and to rely on certified Eclipse glasses recommended by trusted sources. NASA’s primary role is to provide safety information and guidelines, emphasizing the importance of proper eye protection during Eclipses while refraining from endorsing specific products.

ISO Certification and Solar Eclipse Glasses

Vendors Printing ISO Logo or Claiming “ISO Certification”:  Unfortunately, some vendors purposefully mislead consumers by printing the ISO logo on their Solar Eclipse glasses or claiming “ISO certification” for their Solar Eclipse glasses and viewers. This can create confusion and a false sense of security. It’s essential to understand that the ISO (International Organization for Standardization) does play a crucial role in establishing safety standards, but it does not directly certify products.

ISO’s Role in Establishing Safety Standards

ISO is an international body that develops and publishes industry standards, including safety standards for products like Solar Eclipse glasses. ISO 12312-2 (sometimes written as ISO 12312-2:2015) is the specific standard relevant to Solar viewers intended for direct observation of the Sun, such as those used during Eclipses. ISO standards are established through a rigorous process involving experts from various fields to ensure safety and quality.

Clarification: ISO Does Not Directly Certify Products

It’s important to clarify that ISO does not directly certify or endorse specific products. Instead, ISO sets the standards that products should meet to ensure safety and quality. These standards define the requirements for materials, design, testing and labeling to make products safe for their intended use.

The Importance of Accredited Test Labs for Solar Eclipse Viewing Glasses

To determine if Solar Eclipse glasses meet ISO standards, they must undergo testing by accredited test laboratories. Accredited labs have the expertise and equipment to evaluate products against these standards. Consumers should look for products tested and certified by accredited labs to ensure they meet safety requirements. Don’t just take the manufacturer’s word; ask for their testing results.

iso testing compliance

For further information on ISO standards and their relevance to Solar Eclipse glasses, consumers can refer to the “About the ISO 12312-2 Standard” page, which details the specific standard and its requirements. This resource can help individuals make informed choices when purchasing Solar Eclipse glasses, ensuring their safety during Solar events.

Explanation of How Accredited Test Labs Evaluate Products

Accredited test labs assess Solar Eclipse glasses based on the criteria set by ISO standards like ISO 12312-2:2015. They conduct various tests, including optical density, spectral transmission and more, to ensure that the glasses provide adequate protection against harmful Solar radiation. Only after successful testing can a product be considered compliant with ISO standards.

If the ISO doesn’t certify products and NASA does not endorse or approve specific brands or products, why do Solar Eclipse vendors falsely make these claims?

Manufacturers and resellers of Solar Eclipse glasses may falsely make claims about ISO certification or NASA endorsement for several reasons:

  • Consumer Trust and Safety:  Solar Eclipse viewing glasses manufacturers and vendors sometimes use these false claims to gain consumers’ trust. ISO and NASA are reputable organizations associated with safety and quality. By falsely claiming certification or endorsement, vendors aim to reassure customers about the safety of their products for Solar viewing.
  • Competitive Advantage: Solar Eclipse viewing glasses manufacturers and vendors seek ways to stand out in a competitive market. Making false claims allows them to appear superior to competitors by implying that their products meet stringent standards, even if they do not.
  • Increased Sales: Consumers often look for safety assurances when purchasing Solar viewing products. False claims can lead to increased sales as buyers may be more inclined to choose products that appear to have official certifications or endorsements.
  • Misleading Marketing: Some Solar Eclipse viewing glasses manufacturers and vendors may use misleading marketing practices to maximize profits. They may prioritize short-term gains over long-term reputation and credibility.
  • Lack of Oversight: In some cases, there may be limited oversight or enforcement of claims related to Solar viewing products. Solar Eclipse viewing glasses manufacturers and vendors may exploit this lack of regulation.

Consumers need to be vigilant and verify such claims independently. They should look for genuine certifications, such as the ISO 12312-2 international safety standard and rely on trusted sources of information when purchasing Solar Eclipse glasses or related products.

Suppliers of Safe Solar Filters and Viewers by the American Astronomical Society (AAS)

Screenshot of AAS website for safe solar eclipse glasses'

The American Astronomical Society (AAS) compiled a list of Suppliers of Safe Solar Filters and Viewers to ensure the safety of individuals who want to observe Solar events, such as Solar Eclipses. The AAS recognizes the potential risks of directly viewing the Sun without proper eye protection. Here’s why they compiled this list:

  • Safety Assurance: The AAS is committed to promoting safe Solar observation practices. By curating a list of reputable suppliers, they provide a resource for the public to access solar filters and viewers that meet safety standards.
  • Preventing Harm: Improper Solar viewing can lead to severe eye damage, including permanent blindness. By recommending trusted suppliers, the AAS aims to prevent accidents and protect the eyes of individuals interested in observing Solar phenomena.
  • Quality Control: The AAS ensures listed suppliers have products that meet safety standards, such as ISO 12312-2. This quality control helps consumers identify reliable sources for solar filters and viewers.
  • Counterfeit and Unsafe Products: There have been instances of counterfeit or substandard Solar viewing products entering the market. The AAS list helps individuals avoid these potentially dangerous items.
  • Public Awareness: The AAS’s efforts contribute to public awareness about the importance of using safe solar filters and viewers when observing the Sun, especially during events like Solar Eclipses.

The AAS compiled this list to prioritize the safety of individuals interested in observing the Sun, ensuring they have access to trustworthy Solar filter sources and viewers meeting safety standards. This initiative aligns with their commitment to promoting responsible Solar observation practices.

How To Tell If Your Solar Eclipse Viewing Glasses Are Safe

To ensure the safety of your Solar Eclipse viewing glasses, follow these steps to determine if they are safe:

  • Check for the ISO logo: Look for evidence that your glasses comply with the ISO 12312-2 international safety standard for filters designed to view the Sun directly. Many reputable Eclipse glasses will display this certification prominently on the glasses or packaging.
  • Check the AAS website: Look for the manufacturer or reseller’s name on the AAS Suppliers of Safe Solar Filters & Viewers list.
  • Test results: Ask for the glasses test results.
  • Trustworthy Sources: Whenever possible, obtain your Solar Eclipse glasses from reliable sources like reputable manufacturers, science organizations or official vendors such as Total Eclipse DFW. These sources are more likely to offer genuine, safe Eclipse glasses.
  • Read Reviews and Recommendations: Check online reviews and recommendations from trusted sources to validate the safety and authenticity of the glasses.


In conclusion, the upcoming celestial event of the 2024 Total Solar Eclipse promises to be a breathtaking spectacle, offering a rare opportunity to witness the wonders of our universe. However, it’s crucial to remember that the safety of your eyes should be the top priority during this extraordinary event.

Recapping the importance of NASA-approved and ISO-certified Eclipse glasses is paramount. These specialized glasses are not regular Sunglasses but are designed to protect your eyes from intense Solar radiation. Looking directly at the Sun without proper eye protection can cause irreversible damage to your vision. Therefore, it is imperative to use Eclipse glasses that meet the stringent safety standards set by NASA and ISO 12312-2:2015 to ensure your eye safety.

We strongly encourage all readers to prioritize safety when planning to witness the 2024 Eclipse. Ensure you obtain genuine Eclipse glasses from reputable sources, as mentioned in the provided sources. Check for the ISO certification to guarantee their safety.

As the celestial event approaches, we can’t help but feel the excitement building. The Total Solar Eclipse is a remarkable phenomenon that reminds us of our solar system’s awe-inspiring beauty and precision. It’s a chance to connect with the cosmos and share a collective moment of wonder.

So, mark your calendars, prepare your Eclipse glasses and get ready to experience the magic of the 2024 Total Solar Eclipse safely. Remember to share this incredible experience with family and friends and let the celestial show inspire you to explore the mysteries of our universe further.

Get ready for an unforgettable celestial event in 2024, and most importantly, keep your eyes safe as you witness the Sun’s grand spectacle!

Order your Dallas-Fort Worth official ISO Compliant Solar Eclipse Glasses Today.

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🌐 Sources

  1. Eclipse Safety – NASA