Author: aokereyewear

How Should Patients with High Myopia Choose Suitable Eyewear?

Which Lenses Are Best for High Myopia?
When selecting lenses for high myopia, patients should consider not only the cosmetic appearance after wearing glasses but also the protective benefits for ocular health. To determine which lenses are most suitable, it is important to understand the optical characteristics associated with high myopia.

The selection of lenses for high myopia should be evaluated from the following aspects:

1. Choose Lenses with a Refractive Index Above 1.61 Whenever Possible
The refractive index refers to the lens material’s ability to bend light and is the primary parameter determining lens thickness. Currently, the refractive index of most resin (plastic) lenses on the market ranges from 1.49 to 1.74. A higher refractive index results in a thinner lens. Generally, lenses with a refractive index of 1.60 or higher are classified as high-index or ultra-thin lenses.

For individuals with high myopia, lenses with a refractive index above 1.60 are strongly recommended. In addition, high-index glass lenses with refractive indices of 1.80 or 1.90 can be an alternative option, as they may be thinner than resin lenses. However, the production of such high-index glass lenses has become limited in recent years and often requires custom manufacturing, making them relatively expensive.
It should also be noted that resin lenses are commonly paired with semi-rimless or rimless frames for a modern and stylish appearance. However, for patients with high myopia, rimless frames are generally not recommended, as the exposed lens edge can make thick lenses appear even more noticeable.

2. Avoid Glass Lenses Whenever Possible
Glass lenses once dominated the optical frame market, but their disadvantages have become increasingly apparent. These include fragility, safety risks due to breakage, heavier weight, and the tendency to create pressure marks on the nose or ears. Such drawbacks can be particularly problematic for children and adolescents, who often find them uncomfortable.

With advancements in optical materials, resin lenses (including polycarbonate lenses) have emerged as a major innovation in ophthalmic optics. These lenses are lightweight, impact-resistant, safer against breakage, heat-resistant, and generally more comfortable for daily wear. As resin lenses became widely adopted, glass lenses gradually declined in popularity and often remain comparatively expensive.

For young patients with high myopia, resin lenses are generally considered the safer and more practical choice.

3. RGP Lenses: A More Ideal Option for Some Patients
Rigid Gas Permeable (RGP) lenses are high oxygen-permeable rigid contact lenses. For patients with myopia greater than −6.00 diopters who prefer not to wear spectacles, RGP lenses can be an excellent alternative.

Compared with conventional spectacle correction, RGP lenses typically provide sharper retinal image quality, a wider visual field, improved visual performance, and greater freedom from the physical constraints of frames.

For adolescent patients, RGP lenses may also help slow the progression of myopia and can be effective in correcting high astigmatism or irregular astigmatism.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

Anti-Fog Lenses: Fog-Free Vision, Hassle-Free Life

Anti-fog lenses are more than just fog-resistant. Innovative nano anti-fog technology ushers in a new era, replacing the need for anti-fog sprays. Our spray-free anti-fog lenses make fog prevention effortless just wear them as usual, and you can say goodbye to the hassle of relying on anti-fog sprays.

Crystal Clear Vision, No Fogging Powered by nano technology, The spray-free anti-fog lenses effectively prevent fog condensation on the lens surface. Whether facing extreme temperature changes or hot steam, your lenses will stay crystal clear, eliminating embarrassing inconveniences and giving you peace of mind all day long.
We strive for perfection in every high-quality product.

Precautions
When lenses get dirty, please clean them with a professional microfiber cloth provided by the optical shop. Do NOT use paper towels or rough fabrics, as these may scratch or damage the lens coating.

Lenses can be rinsed directly with clean water, then dried gently with a lens cloth.
In environments with extremely high humidity or drastic temperature changes, iridescent patterns may appear on the lens surface. This is a normal phenomenon and will not affect visual clarity.

Minor scratches on the lens surface have a self-healing function. However, do not scratch the lens surface with sharp objects.

Never clean lenses with chemical-containing liquids, such as detergents, laundry powder, soap, acetone, or alcohol.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

Stop Making Random Choices of Eyeglass Frames if You’re Highly Myopic

For people with high myopia, wearing thick lenses can easily add pressure to the bridge of the nose, and the heavy weight is also inconvenient. Therefore, choosing a comfortable and suitable eyeglass frame is particularly important. Today, we are going to explain what kind of eyewear frames are suitable for people with high myopia when wearing glasses.

Lightweight Material
The weight of the frame material is one of the factors affecting the overall weight of the glasses, which is closely related to the frame material. So the selected material must be lightweight. For people with high myopia, when choosing frames, you can pay more attention to materials such as pure titanium, tungsten carbon, thin-sheet acetate, and TR90. Frames made of these materials are generally lightweight, offering high wearing comfort, excellent durability, and resistance to deformation.

Geometric Center Distance Close to Pupillary Distance for Lens Fitting
The thickness of myopic lenses is mainly manifested in the horizontal direction of the frame glasses. Since the geometric center distance of most frames is larger than the human eye’s pupillary distance, in many cases, the temporal edge of the lens is significantly thicker than the nasal edge, and the temporal edge of the lens is exactly the part easily observed by others. Therefore, choosing a frame whose geometric center distance is close to the pupillary distance for lens fitting can make the thickness of the nasal and temporal edges of the lens similar, effectively reducing the thickness of the temporal edge of the lens and improving the appearance.

Non-metallic Materials Preferred
Large frames tend to highlight the thickness of high-myopia lenses, and they are heavier overall. If you want to avoid the peripheral part of the lens looking thick and reduce the weight, try to choose non-metallic frames, such as wide-leg acetate frames. The peripheral part of the lens can be covered by the frame legs, making it not easy to show the thickness.

Full-rim Frames Are a Better Choice
Due to the generally thick lenses for high myopia, rimless and semi-rimless frames will fully expose the thickness of the lenses. In addition, such frames are prone to deformation, which will lead to changes in the center distance of the glasses and the axial direction of the lenses, affecting the correction effect. Therefore, full-rim frames are the preferred option for people with high myopia.

Finally, we want to say that people with high myopia need to consider various factors when wearing glasses because of their high degree of myopia. You should not only choose lenses carefully but also pay attention to the frames. Do not ignore suitability and practicality just for the sake of aesthetics.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

Protective Eyewear Is Indispensable in Numerous Scenarios

Eye protection is not merely about wearing contact lenses or eyeglasses for vision correction. The type of eye protection required depends on the activity you are engaged in. Your regular eyeglasses cannot shield your eyes from impacts, debris, or damage. In fact, some eyeglasses may shatter if damaged, causing further eye injuries.

For most household maintenance projects and activities, standard ANSI-approved protective eyewear is sufficient. In many work situations, the same level of protection used at home will suffice, but you need to be aware of some important exceptions. Sports goggles should meet the specific requirements of the sport; these requirements are typically established and certified by sports governing bodies and the American Society for Testing and Materials (ASTM).

Eyewear with the Embossed ANSI Mark
The American Academy of Ophthalmology and the American Society of Ocular Trauma recommend that every household keep at least one pair of ANSI-approved protective eyewear on hand for projects or activities that pose a risk of eye injury at home.

Choose protective eyewear marked with ANSI Z87.1 on the lenses or frames. This designation indicates that the glasses, goggles, or face shields comply with the American National Standards Institute (ANSI) Z87.1 safety standard. ANSI-approved protective eyewear is readily available at most hardware stores nationwide.

Activities That Require Eye Protection
Exposure to hazardous chemicals or other substances that may damage the eyes upon contact
Presence of flying debris or other small particles that may strike participants or bystanders
Risk of projectiles or objects becoming airborne and accidentally entering the eyes
Bottom line: Use common sense, especially when children are around. You should protect them and set an example by making informed choices.

Gas Welding Goggles
The eye protection required for safe work is determined by the Occupational Safety and Health Administration (OSHA). To learn about the applicable standards, consult your company’s human resources department or the personnel responsible for overseeing OSHA compliance.

For operations other than welding, additional eye and face protection is required. Per OSHA standards, the goggles used must be ANSI-certified, adhering to the same protection standards applicable for household use.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

Principles of Radiation Protective Glasses

A large number of students and office workers wear thick glasses, mostly due to prolonged exposure to electronic screens. For this reason, a suitable pair of radiation-protective lenses is indispensable. But what is the working principle behind these glasses?

Radiation-protective glasses are designed to shield the eyes from damage caused by excessive ultraviolet rays and other forms of radiation. The lenses are made of special glass that can reflect or absorb radiation while allowing a certain amount of visible light to pass through. They are coated with a shiny metallic film of chromium, nickel, mercury, silver, or other metals to reflect radiation. Blue lenses absorb infrared rays; yellow-green lenses absorb both ultraviolet and infrared rays; and lead-containing clear lenses absorb X-rays and gamma rays. Take welding glasses for example, they have relatively low light transmittance requirements, so their lenses are mostly dark-colored. Laser-protective glasses, as the name implies, are engineered to block laser radiation, which places high demands on the lenses. Factors such as light source compatibility, attenuation rate, light response time, optical density, and light transmission effect all matter. Different nanometer (nm) lasers require lenses with corresponding wavelength bands.

Features of Radiation-Protective Glasses
Flat lenses, no side effects on vision Crafted using advanced vacuum ion plating technology, these lenses can block 100% of electromagnetic radiation.

Radiation-resistant material composition
The lenses contain radiation-blocking substances that absorb low-frequency microwave radiation, eliminating potential eye discomfort caused by electromagnetic waves, such as eye fatigue, headache, soreness, and dryness.

Selective light transmission and absorption
The lenses exhibit differential penetration and absorption capabilities for various light rays, offering anti-reflective and glare-reducing properties. Users will notice significantly clearer and more natural vision when wearing them.

Ideal for specific user groups
Especially suitable for computer professionals, TV viewers, and video game players, these glasses effectively block harmful light from damaging the eyes, ensuring long-term visual health.

How to Identify Authentic Radiation-Protective Glasses
Check the coating layer Radiation-protective lenses are coated with a colored anti-radiation film, which can be blue, green, golden, or other hues. Blue-green coatings are standard anti-radiation layers, with a radiation-blocking rate of approximately 50% as verified by national testing standards. High-performance golden coatings incorporate special silver oxide components, achieving a radiation-blocking rate of up to 90% according to national certification.

Test by wearing them while using a computer
Put on the glasses and experience the difference when looking at a computer screen. Without radiation-protective glasses, the display may appear harsh on the eyes and slightly flickering. In contrast, wearing authentic radiation-protective glasses will deliver noticeably clearer and more natural visual comfort.

Prolonged use of mobile phones, computers, and similar electronic devices often leads to eye strain and dryness, making radiation-protective glasses a necessity for many people. However, we would like to offer a friendly reminder: always purchase these glasses from authorized physical stores or Eye Clinics after getting a professional eye exam and prescription.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

Anti-Fogging for Eyeglass Lenses Is a Must in Winter

As a seasoned glasses wearer, I have to complain about the weather in my country, we can experience spring, summer, and autumn all in one week, then abruptly plunge into winter like a rollercoaster ride before we’re ready. And my glasses? They’re totally unprepared for this!

You might wonder: what preparation do glasses need?The answer is anti-fogging. The biggest feature of winter is the extreme temperature difference between indoor and outdoor environments. On the first morning after the temperature dropped, I noticed a thin layer of fog on the glass windows and eyeglass lenses are certainly not immune to this fogging nightmare in winter.

Why Do Lenses Fog Up?
In cold environments, the air is obviously dry. When lenses come into contact with warm air (which contains more moisture), a condensation effect occurs upon contact with the cold lens surface. Tiny water droplets form on the lens, causing it to fog up.

This phenomenon is generally not dangerous, but you need to exercise caution when opening car doors. In summer, car air conditioners are usually running, making fogging a common issue. In winter, car windows stay closed, creating a temperature gap with the outside. Always be mindful of safety when opening the car door.

What to Do When Lenses Fog Up?
The first step to tackle lens fogging is to prevent it in advance. Here are a few effective anti-fogging tips:
Lens Anti-Fog SprayClean the lenses thoroughly first. Then spray a lens-specific anti-fog spray evenly on the surface and wipe it gently. The anti-fog effect typically lasts 1–2 days.
Anti-Fog Microfiber ClothThis is a specially treated cloth. Wipe the lens surface repeatedly with it to activate the anti-fog function. After use, store the cloth in an airtight bag to prevent the anti-fog properties from wearing off.

Soap or Dish SoapApply a tiny amount of soap or dish soap to a clean cloth, then wipe the lens surface lightly. This also works as a temporary anti-fog solution.
Anti-Fog LensesThere are specially designed anti-fog lenses available. You can directly opt for these when getting a new pair of optical frame. they are convenient and provide a permanent anti-fog effect.

Recommendations for Anti-Fog Lenses
There are two main types of anti-fog lenses:
Type 1: Activated by Anti-Fog ClothThese lenses rely on an anti-fog cloth to activate the anti-fog agents on the lens surface. When the anti-fog effect fades, simply re-wipe the lenses with the cloth to reactivate it.

Type 2: Hydrophilic Anti-Fog Coated Lenses
These lenses are coated with a highly absorbent, dense, hydrophilic anti-fog film. This film forms a protective layer on the lens surface, effectively eliminating fogging issues.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

Can oversized eyewear Deform the Nasal Bridge and Trigger Rhinitis?

Can oversized eyewear frames deform the nasal bridge and trigger rhinitis? Adults are unaffected, but adolescents should avoid wearing them, this claim is somewhat of an overstatement. Generally speaking, the nasal structure of adults is fully developed, and the nasal bones can bear a certain amount of weight. Simply put, although oversized eyewear frames are considerably heavier than regular ones, they are not heavy enough to deform the nasal bridge or even obstruct nasal ventilation. As for triggering rhinitis, there is no basis for this assertion at all.

For adults, wearing heavy oversized eyewear frames will only cause mild discomfort to the nose. However, adolescents’ nasal cavities are still in the developmental stage, their bones are relatively fragile and not yet fully ossified, meaning the impact will be more significant, so they are better off not wearing such eyewear frames. Additionally, people with nasal injuries should also refrain from using oversized eyewear frames.

For purely aesthetic purposes, it is best to wear frame-only glasses. Some young people with normal vision wear oversized eyewear frames just for style, some of these optical frame have plano lenses, while others are completely lensless. Does this have any impact on the eyes? According to an professioncal eyewear supplier-Aoker eyewear, even though plano lenses have no optical power, they are essentially an “obstacle” for the eyes. If dust accumulates on the lenses, it will still exert a certain negative effect on eyesight.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

Are Blue Light Blocking Glasses Suitable for Your Child?

Enhance the blue light filtering capability of your child’s lenses with blue light blocking glasses, and avoid the embarrassment of them having to wear prescription glasses at a young age. The Blue Block Coating on blue light blocking lenses is a high-performance lens coating designed to neutralize the harmful emissions from computers, mobile phones, and tablets, the digital devices your child interacts with every day. These emissions are not only linked to the onset of myopia in children, but also put your child at risk of developing computer vision syndrome.

Does your child text messages while watching TV? The harsh glare from using one, two, or even three screen devices simultaneously can exhaust your child’s eyes. The Blue Block Coating is engineered to help your child’s eyes adapt to harsh light conditions, so their eyes won’t feel strained when they text their friends about yesterday’s pop quiz.

Two hours of “screen time” is by no means harmful, but according to a recent report, the average child actually spends approximately 6 hours per day on screen devices, both at school and at home. Lenses protected by Blue Block Coating allow your child to stay focused and relaxed during computer classes or while unwinding.

Intense gaming requires high levels of concentration, which can cause your child to overfocus on small, hard-to-see areas, known triggers of headaches and eye strain. Specially designed digital lenses can help your child’s eyes adjust effortlessly to harsh light, letting them game comfortably for hours on end.

How much time do they spend on Tiktok, Facebook, Instagram every day? Most children are unaware of how much time they spend glued to their phones, which may lead to blurred vision. The Blue Block layer acts as an anti-reflective barrier, effectively neutralizing harmful blue light emissions.

As a processional eyewear supplier, we are specialize in blue light blocking eyewear, acetate eyewear and metal eyewear and buffalo horn eyewear.

Working Principles of Traditional and Digital Progressive Lenses

Traditional progressive lenses are made from semi-finished lens blanks with no cylindrical power (spherical power) on the front surface. Instead, spherical power is added to the back surface. However, this type of progressive lens is becoming obsolete, as it is less accurate than other available alternatives. The corridor (the area of the lens that corrects vision) is relatively narrow.
Digital progressive lenses this lens design delivers an optimal optical field of view when tailored to the wearer’s optical needs. Digital lens surfacing technology is primarily applied to progressive prescription lenses.

These digital progressive lenses feature wider zones for distortion-free near vision and distance vision. Another advantage of digital progressive lenses is high-definition vision in the intermediate zone (between near and distance vision). This enhanced visual performance is highly beneficial for computer work and other daily activities.

Digital lenses are computer-designed to achieve maximum clarity and accuracy. They are now more frequently recommended by optometrists than traditional alternatives due to their numerous benefits. One key advantage is that these lenses are custom-surfaced based on the wearer’s specific prescription, frame dimensions, and fitting position.

These factors are crucial for precise vision correction, owing to the lens design. Since the same optical frame may sit higher on one wearer’s face and lower on another’s, precise specifications and measurements are essential to ensure optimal comfort and optical performance. Progressive lenses optimized for computer use also feature wider, more precise corridors, resulting in improved peripheral vision. Additionally, digital free-form progressive lenses incorporate technology that reduces edge blur in the peripheral visual field.

The core difference between digital and traditional progressive lenses lies in the ability to customize the lens zones for individual wearers. Digital progressive lenses are calibrated to the wearer’s facial structure and eye positions to ensure the most accurate prescription correction.

As a professional eyewear supplier, we are specialize in acetate eyewear and metal eyewear and buffalo horn eyewear.

How to Choose Reading Glasses for First-Time Presbyopia Sufferers?

Presbyopia refers to the difficulty in focusing on nearby objects that occurs at a certain age. It is a natural phenomenon of age-related decline in human bodily functions, which typically manifests in most people between the ages of 40 and 45. Symptoms include blurred vision when viewing small text sufferers have to hold mobile phones or newspapers at arm’s length to read clearly. Vision tends to be sharper in well-lit environments, and the distance required to view a mobile phone screen increases progressively with age.

Once presbyopia sets in, wearing a pair of reading glasses is essential to alleviate eye fatigue. For those buying reading glasses for the first time, here are key guidelines for selection:

Opt for relatively wide lens shapes
Due to the convergence effect of the eyes when focusing on near objects, combined with reading and writing habits, the visual axis of each eye shifts downward and inward by 2.5 mm on the lens when viewing close-up objects, compared to the position when looking straight ahead at distant objects. Since the pupils are generally aligned with the horizontal midline of the lens during straight-ahead vision, the lens must be wide enough to ensure an adequate field of view for near vision. Specifically, the vertical height of the lens should be more than 30 mm contrary to the misconception that smaller lenses are better. Narrow lenses with a vertical height of less than 25 mm are designed for portable, temporary vision correction only.

Choose optical frame with a wide front but a small optical center distance (OCD)Most presbyopia sufferers are middle-aged or older, with fuller facial contours. As such, the horizontal width of reading glass frames is typically 10 mm wider than that of regular eyeglass frames. However, the near pupillary distance is 5 mm shorter than the distance pupillary distance. Therefore, the recommended optical center distance (OCD) ranges from 58–61 mm for women and 61–64 mm for men. To meet both the wide frame and small OCD requirements, lenses with a larger diameter must be used, and the optical centers of the lenses need to be significantly inward-shifted during the manufacturing process.

Prioritize durable and sturdy constructionReading glasses are intended for near-vision use. The diopter strength required for presbyopia increases incrementally: starting at +1.00 D (100 degrees) around the age of 40, it needs to be supplemented by +0.50 D (50 degrees) every 5 years thereafter. Additionally, reading glasses are put on and taken off dozens of times more frequently than myopia glasses. For these reasons, the components of reading glasses must be made of robust or high-elasticity materials. The electroplated parts should offer excellent corrosion and scratch resistance, and the lenses must undergo a high-quality hardening process. Overall, a qualified pair of reading glasses should maintain its shape, resist rust, and avoid severe scratching for at least 2 years of use. In fact, these durability requirements make high-quality reading glasses more demanding than comparable frames for prescription eyeglasses.

Selecting the right reading glasses is crucial for first-time wearers, as individual differences are significant. Factors such as height, arm length, eye usage habits, and presbyopia diopter strength vary from person to person. The diopter may even differ between the left and right eyes. Furthermore, some people may have concurrent vision issues such as hyperopia, myopia, or astigmatism alongside presbyopia. Wearing ill-fitted reading glasses for an extended period will not resolve vision problems; instead, it may cause eye strain, swelling, or headaches.

Therefore, when presbyopia symptoms emerge, it is advisable to first undergo a professional eye exam at a formal ophthalmology clinic or optical frame store. Finally, select reading glasses tailored to your specific eye condition. Never settle for inferior, cheap reading glasses out of convenience or cost-saving considerations.

As a professional eyewear supplier, we specialize in acetate eyewear, metal eyewear, and buffalo horn eyewear, offering style, function, and premium craftsmanship.