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There are several ways to know if glasses have polarised lenses. The first way to know if glasses are polarised is to hold them up to a computer or phone screen at a 60 to 90-degree angle. Polarised lenses should make LED or LCD screens look dark and hard to see. If the phone screen is dark, then the lenses are likely polarised. Another way to know if glasses are polarised is to find a surface with glare, such as water, and assess whether the glare from these surfaces is reduced when the glasses are on. If they are, it is likely the glasses have some polarisation over the lenses.

Yes, people with astigmatism can use polarised lenses if they are fitted with the appropriate prescription. Astigmatism is a refractive error in which issues with the curvature of the eyeball disrupt how light hits the retina part of the eye. Astigmatism can cause symptoms including blurry vision at near, far or intermediate distances. Prescription glasses can be used to help correct the vision issues caused by astigmatism. People with astigmatism can use polarised lenses if the lenses have been fitted with their prescription to correct astigmatism and allow them to see better.

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Look & See with Oscar Wylee Optometrists. We offer comprehensive Medicare bulk billed eye tests and a range of prescription glasses and sunglasses for women, men, and gender-diverse people. Blending fashion with expert eye care, Oscar Wylee is an optical company passionate about eye health and eyewear.

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202495 — Ring lights are circular-shaped lights that sit around your camera. Ring lights produce even, almost shadow-free lighting that is easy to control.

Compact light for harsh environments. A compact light specifically designed for harsh environments like mobile plant cabins and engine bays.

With an LED, you might spend $5 to buy the lamp, but you’ll save money in the long run. For the same light output, the LED will use just over $1.00 in electricity, but the savings really start to add up as you’ll buy a lot fewer lamps over the LED’s 25,000 hour expected life. The longer a particular light fixture is used each day, the faster a high-efficiency replacement will pay for itself. See for yourself in the table above. Even with just one switch, you come out ahead in the first year for all but the least-used lamps. Just imagine how much money you would save if you switched all your bulbs to LEDs!

Polarised lenses are lenses that are designed to reduce glare. Polarised lenses have a coating or filter that stops horizontal light, the type of light that causes glare, getting through the lens to the eye, in turn lessening the effects of glare. Polarised lenses are most often used in sunglasses. Polarised sunglasses are beneficial for those who spend an extended period of time in high-glare environments, such as those who boat, fish or are in the snow. The advantages of polarised glasses include their ability to reduce glare, improve vision clarity, reduce eye strain and protect the eyes from the elements. The disadvantages of polarised lenses are that they are not suitable for use at night or in dim light conditions, make seeing LCD or LED screens difficult and can be more expensive than regular sunglasses.

Polarised lenses can not be used as prescription glasses as polarisation does not carry a prescription or power to help correct refractive errors. Prescription lenses refer to lenses with a prescription or power that help correct vision issues caused by refractive errors, including myopia or nearsightedness. Whilst polarised lenses are not generally prescription, at Oscar Wylee, we can add polarisation to prescription sunglasses for an additional price, so our customers can correct their refractive error and reduce glare at the same time.

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The purpose of polarised lenses is to reduce glare from horizontal reflected light, which may in turn help to reduce eyestrain and improve vision in high-glare environments. According to the American Academy of Ophthalmology, light that is reflected off of smooth surfaces, such as water or snow, reflects at one angle, as opposed to scattering on uneven surfaces, causing glare. The purpose of polarised lenses is to reduce this reflected light through a filter, which limits the amount of glare that enters the eye and potentially improves visual clarity when outside in high-glare conditions.

It is not recommended to wear polarised lenses all the time as the darkened lens will obscure vision in certain situations such as night driving. Polarised lenses are appropriate to wear during the day, or in the sun, however, it is not recommended that they are worn at night time or whilst driving in low light conditions such as indoors or at night, as the darker lenses may obscure vision and make it difficult to see. Polarised lenses also make it hard to see digital screens such as phone screens or computer screens.

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The difference between polarised glasses and UV protection glasses is what they are designed to be used for. Polarised glasses or sunglasses are primarily designed to reduce glare, whereas UV protection glasses or sunglasses are designed to protect the eyes from Ultraviolet or UV rays emitted by the sun. Sunglasses that are polarised will usually have UV protection, however, it is important to speak with your optometrist or eyewear provider on what protection sunglasses offer. At Oscar Wylee, all of our polarised glasses have UV protection. Polarised glasses and UV protection glasses are both important and useful eyewear that can provide protection for wearers.

Decorative Lighting. During the holidays, most utilities experience a significant surge of electricity usage from the lighting of Christmas trees, yards, and other ornamentation. That means more pollution in the air and more of your money to the utility. LED string lights are now widely available in many shapes and sizes and in white or a range of colors including multi-color and color-changing sets, providing a more durable and low-energy alternative. They may cost more up front, but one utility in California estimates that using LED lamps will cost you just $0.45 over the course of a holiday season, compared to $5.00 for mini incandescent string lights and $75 for large incandescent string lights!

Dimming. Virtually all incandescent bulbs and the majority of LED lamps are dimmable. With LEDs, be sure to get a dimmer switch that is compatible with the lamp you’ve selected.

Polarised lenses work by reducing the amount of horizontal light that hits the eye, helping to reduce glare. According to the American Academy of Ophthalmology, the chemicals in a polarised tint or coating are aligned in a way that only lets vertical light in, meaning horizontal light that is bounced off of surfaces such as water and snow is filtered out by the lens reducing glare.

Polarised glasses may be able to block a certain amount of blue light by cutting the amount of horizontal light that enters the eye, however, blocking blue light is not the primary purpose of polarised glasses. The purpose of polarised glasses is to reduce glare by cutting the amount of horizontal light that enters through a lens, instead of only allowing for vertical light to enter. According to Total Vision and the National Library of Medicine, polarised glasses can potentially block a certain amount of blue light by reducing the amount of horizontal light that enters a lens, however, the exact amount and effectiveness of this is not known as this is not the primary focus of the glasses. Whilst it is up for debate to what degree polarised glasses block blue light, there are some blue light-blocking glasses designed to help reduce the amount of blue light that enters the eye.

Economics. Because high-efficiency light bulbs save electricity and last longer, they are a profitable investment. To figure out your return, you have to look at both the purchase and operating costs to arrive at total life-cycle costs. It may surprise you to learn that incandescent bulbs cost a lot more to operate than they cost to buy. When you spend a dollar for a 53-watt halogen incandescent light bulb (equivalent to a 75-watt traditional incandescent), for example, you’re committing yourself to spending close to $5.00 for electricity (at 11.9.¢/kWh) over that bulb’s expected 750-hour life. In regions with high electricity prices, you could spend up to twice as much.

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Polarised lenses are primarily designed to reduce glare, but may also offer UV protection. UV light refers to ultraviolet rays that are emitted from the sun that can be damaging to the eyes after long-term exposure. Whilst most retailers add UV protection to their polarised sunglasses or lenses, it is always important to check the protection offered by a pair of sunglasses before buying them. At Oscar Wylee, all of our polarised glasses have UV protection.

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Polarised glasses or polarised sunglasses are not necessarily the same thing, as not all sunglasses will have polarisation over the lens. Polarised glasses or polarised sunglasses are sunglasses in which a polarised laminated sheet is applied to the lens to help cut glare. Sunglasses is an umbrella term that refers to many different types of sunglasses, primarily designed to protect the eyes from the sun and UV rays. Sunglasses can have polarisation added to the lens, which would make them polarised sunglasses, but not all sunglasses will have this feature. It is important to check what protection sunglasses provide before buying them, to make sure you are getting the glasses that are appropriate for your eye care needs. The answer to what are polarised sunglasses are sunglasses that have had polarisation added to the lens.

Environmental Benefits. A single 10-watt LED, used in place of a 43-watt halogen incandescent light bulb, will save about 800 kWh over its lifetime. That single replacement will eliminate emissions of 1000 pounds of carbon dioxide, 4-6 pounds of sulfur dioxide, and 8 mg of mercury on average. If your electricity is generated in a coal¬fired power plant — as is half of all electricity produced in the U.S., the emissions reductions will be almost double.

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Yes, people with nearsightedness can use polarised lenses if the lenses have a person’s prescription in them. Nearsightedness, also known as myopia, is a type of refractive error in which light hits before the retina, as opposed to on the retina as is normal, leading to issues with distance vision. Concave prescription lenses can help correct nearsightedness by directing light back onto the retina. A person with nearsightedness can use polarised lenses if the lenses carry their prescription to correct this refractive error.

Polarised glasses or sunglasses can be bought in a variety of places including optometry companies, retail shops and online retailers. For the most reliable polarised sunglasses, it is recommended a person talk to an eyewear professional to assess what polarisation and glasses are most suitable for their eye care needs. Oscar Wylee has polarisation available for our sunglasses.

The people who should use polarised glasses or sunglasses are those who spend extended periods of time outside in the sun or in situations with high levels of glare. Anyone can use polarised sunglasses as they are a hugely beneficial piece of eyewear that can make it easier to see in high-glare situations. People who go boating, fishing, or spend time in snowy environments may find benefit in using polarised glasses as these are high glare situations.

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The familiar wattages we’ve all used to select light bulbs since we were kids are becoming obsolete with the phase-out of traditional incandescent bulbs and wider adoption of lamps that use very different amounts of power to provide similar levels of light. While most manufacturers label their halogen incandescent, CFL, and LED lamps with the equivalent incandescent wattage— 40W, 60W, 75W, and 100W, it is useful to know how the different wattages translate in terms of light output (or lumens). Moving forward, lumens will replace wattage as the key characteristic for identifying the right light bulbs. This makes a lot of sense; after all, when you purchase a light bulb you’re looking to get a specific amount of light, not a prescribed power consumption. The table below will help you match incandescent lamps with alternative technologies to get the same light level.

Led panel 60x120 cm of 90W backlit. This panel can be mounted in 3 ways: perched on technical ceiling, recessed in plaster or suspended (hung on steel cables).

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The cost of polarised glasses or sunglasses depends on where a person is purchasing the frames from. Polarised lenses tend to be more expensive than regular sunglasses as the coating is specialised. At Oscar Wylee some of our non-prescription sunglasses come with complimentary polarisation, whilst our custom made sunglasses can have polarisation added for an additional cost.

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Light bulb efficiency, referred to as efficacy, is stated in terms of light output in lumens per watt of energy consumed. While traditional incandescent lamps provide about 15 lumens per watt (lpw), halogen incandescents achieve about 20 lpw. CFLs represent a leap in efficacy, offering 55 to 65 lpw. As of 2017, LEDs are able to maintain 78-130 lpw depending on the product and application, and further efficacy improvements are expected.

When shopping for new bulbs, be sure to look to the Lighting Facts label required on most common screw-based lamps. The ENERGY STAR label will help identify high-quality energy-efficient LED lamps. To qualify, lamps must comply with specifications on energy use, light output, lamp life, and other operating characteristics. Look for ENERGY STAR to ensure you are getting lamps that have been tested and certified to meet a wide range of performance requirements. A full list of ENERGY STAR lamps is available at energystar.gov.

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It is recommended that you have an eye test at least once every two years, or as otherwise advised. Book online and our Oscar Wylee optometrists can provide a bulk billed eye test.

Polarised lenses are a type of lens for glasses that aim to reduce glare. Polarised lenses are coated in a material or filter that cuts how much horizontal light enters through the lens, which can in turn reduce eye strain and improve sight in high-glare environments such as when driving, in snowy conditions or when near a body of water. In summary, the answer to what are polarised lenses are a type of glasses lens designed to reduce glare.

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The way polarised lenses are made will differ depending on the brand or manufacturer but will generally involve adding a special chemical coating or filter to a glasses lens. The process of making polarised lenses usually begins with a plain lens, which is then coated with the polarisation filter. The chemicals used for polarisation is a heated PVA material. PVA refers to polyvinyl alcohol which is a synthetic polymer. According to the American Academy of Ophthalmology, the molecules in the chemical are lined up to stop horizontal light from surfaces such as roads, water or snow, from entering the lens, in turn reducing glare. At Oscar Wylee, our lenses are made with premium engineered polymers and formed under strict quality-controlled conditions. Our polarization is added to these lenses as a coating, for an additional price.

The shade of white light emitted by a lamp is called correlated color temperature — look for the value reported in Kelvin (K) on the lamp packaging. Lower Kelvin values (in the range of 2700K to 3000K) correspond to a warmer light comparable to a conventional incandescent that enhances yellow and red tones. Lamps with higher values (typically 3500K, 4100K, 5000K, and 6500K) give off a cooler white light that enhances blues and greens. These bulbs are often referred to as natural, bright white, or daylight lamps. The following table explains some terms you may encounter on lamp packaging. Try a few out with your family and see which you prefer. For instance, you may like a “soft white” for your living room and “cool white” for your bathroom.If the store where you are searching does not have a wide enough selection, suggest that they provide more offerings and try somewhere else. Tunable LED fixtures allow the user to adjust color temperature across a wide range so you can adjust the color temperature for different moods or times of day much like using a dimmer switch to control light output. Desk and floor lamps as well as overhead fixtures with this capability are becoming more widely available.

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The other term for polarised glasses is anti-glare glasses. As the primary purpose of polarised glasses is to cut glare, they may be referred to as anti-glare glasses or anti-glare sunglasses.

The disadvantages of polarised lenses are that they are unsuitable for use at night or in dim light conditions, make seeing LCD or LED screens difficult and can be more expensive than regular sunglasses. The disadvantages of polarised lenses are listed below.

Yes, some eye doctors may recommend using polarised lenses in high-glare conditions to help reduce glare and improve visual clarity. In Australia, eye doctors are medical doctors who have a specialisation in eye care. Other eye care professionals include optometrists and optical dispensers. Your eye care professional can advise you on whether or not polarised lenses are the appropriate eyewear for your eye care needs.

The advantages of polarised lenses include their ability to reduce glare, improve vision clarity, reduce eye strain and protect the eyes from the elements. The advantages of polarised lenses are listed below.

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The emergence of higher-efficiency lighting technologies has led to greater choice and significant energy savings. At the same time, what used to be a simple routine purchase has become much more complex. That doesn’t mean it has to be difficult, and looking on the bright side, most of these new light bulbs will last much longer than traditional incandescents, so you won’t find them on your shopping list nearly as often. In this section, we’ll address each of the major considerations involved in selecting the right bulb for each of your main light fixtures.

No, not all sunglasses use polarised lenses. Sunglasses are a type of eyewear primarily designed to protect the eyes from the sun and its UV rays, usually through a tint, a coating or a filter applied to the lens. Sunglasses also help to protect the eyes from potentially harmful or irritating elements such as wind or sand. Polarised sunglasses on the other hand have the primary goal of preventing glare from surfaces such as water and snow. Sunglasses can have polarisation added to the lens, but will not generally come with this feature. It is important to check what protection sunglasses provide before buying them, to make sure you are getting eyewear appropriate for your eye care needs

Lamp Lifetime. Expected lifetime can be an important consideration when selecting bulbs for hard-to-reach fixtures as well as those that are used infrequently. LEDs have long expected lifetimes: 10,000 to 25,000 hours. These long-lived lamps will really pay off in the most used fixtures as well as those in high ceilings or other inconvenient locations. Halogen incandescents typically operate for 1,000 hours; extended-life versions can last for 3,000 hours. Select longer-lived LEDs for your most-used fixtures. Less expensive LEDs with shorter lifetimes (around 10,000 hours) are a good choice for closets or other spaces where lights are rarely on for more than a few minutes.

Durability. LEDs are a great option for flashlights, headlamps, and outdoor walkway lamps. They not only use very little power and last longer, they are also shatterproof and shock resistant, and their performance is not degraded by low temperatures or moisture.

Oscar Wylee optometrists are available in-store to perform Medicare bulk billed eye tests to assess the eyes, test vision and keep your eye health on track!

Read Polarised Lenses: Definition, How it Works, Advantages, and Disadvantages in other Oscar Wylee regions and their languages.

Polarised lenses are designed to be used in any situation or environment in which there is a high level of glare, such as when boating or fishing, when driving, or in snowy conditions. The purpose of polarised lenses is to cut glare from reflective surfaces, meaning they should be worn in situations or environments where a high level of glare is present which often includes bodies of water or snow. People often wear polarised lenses when outside in the sun for extended periods of time and when doing activities such as fishing, golfing, skiing or driving.