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All About Vision

Lens Options for Eyeglasses


An in-depth look at eyeglass lens options, that goes beyond basic glass or plastic lenses.

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Eye Glasses Near You in Federal Way, Washington

If you thought the trickiest part of choosing a new pair of glasses was the frame selection, think again. You should be putting just as much thought and consideration into the lenses that you select for your new specs.

Here’s why: The quality and type of lenses in your eyeglasses will not only correct your visual acuity, but they will allow you to continue to see your best through various conditions. Whether it is keeping the lenses free from scratches, fog, glare or UV rays, or making them stronger or more attractive, your eyeglass lenses can help to keep your eyes safe and comfortable wherever the day (or night) takes you.

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Lens Coatings

Here are a variety of coatings that you can apply to your lenses to maintain optimal vision and comfort and to protect your lenses and your eyes.

Anti-reflective/Anti-glare Coatings

Anti-reflective (AR) also known as anti-glare coatings help reduce the reflections and glare on your lenses, improving your vision and comfort in high-glare environments, and the look of your glasses as well (you can see your eyes clearly without a reflection on the front of the lens). Reflections from the sun, television and computer screens and bright lights (especially when driving at night) can cause eye strain, headaches and difficulty seeing. AR coatings and lenses can reduce this effect, improving your vision quality and comfort in these circumstances.

Scratch Resistant Coatings

Scratches not only affect the smooth look of the surface of your glasses but they can disrupt your vision. A scratch-resistant coating adds an extra layer of protection on the surface of the lens to significantly reduce scratching. This coating is particularly great for kids who may tend to be a little more rough with their eyewear.

Ultraviolet Coatings

Ultraviolet (UV) coatings protect your eyes from harmful UV rays from the sun. This coating can turn standard lenses into UV blocking lenses that can block 100% of the UV light from entering your eyes. UV is linked to the development of a number of eye diseases such as cataracts, macular degeneration and retinal damage.

Anti-fog Coatings

Particularly if you live in a cold climate, you may have experienced walking indoors from the cold and having your glasses lenses fog up completely. This can take a few minutes to resolve and can be dangerous if you are driving or need to see clearly. Anti-fog coatings will eliminate this effect, creating a smooth transition from cold to hot environments.

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Lens Options

You may want to go with an upgraded lens to improve the look, strength or functionality of your glasses.

High Index Lenses

High index lenses have a higher refractive index which means they reflect more light than standard prescription lenses. What this means for you, the consumer, is that they can be made thinner and lighter than traditional lenses. High index lenses are particularly popular with those that need a high prescription as they are able to avoid thick lenses, adding comfort and a smoother look, but a higher price tag.

Trivex or Polycarbonate Lenses

Trivex or polycarbonate lenses are impact resistant lenses - a fantastic choice for sports and safety eyewear as well as standard sunglasses and eyeglasses for active types or kids. These lenses also offer full UV protection and are lightweight for optimal comfort.

Polychromatic Lenses

Polychromatic lenses are made with special technology that turns them into sunglasses when exposed to sunlight. The lenses darken automatically when you go outside and return to normal when you go back indoors. Polychromatic lenses can come in a number of tint colors and are great when you need prescription sunglasses but don’t want to carry around or pay for another pair.

Aspheric Lenses

Aspheric lenses use advanced technology to create a slimmer, flatter and lighter lens than standard prescription lenses. While aspheric lenses can improve the appearance of any prescription lens, they are especially beneficial for those who are farsighted since those lenses tend to bulge out in the middle.

So the next time you are in the market for new eyeglasses, speak to your optometrist or optician about the best lens choices for your eyes, your vision and your lifestyle.

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Contact Lens Basics

If you need vision correction for nearsightedness, farsightedness or astigmatism, contact lenses are a popular and effective option. In the United States, approximately 20% of the population who requires vision correction wears contact lenses. Currently dating back more than 125 years, contacts are presently available in a wide variety of materials and types. As opposed to the situation years ago, nowadays almost everyone can wear contact lenses.

Eyeglasses may be an attractive way to accessorize your outfit and make a fashion statement, yet you may sometimes prefer your appearance without glasses. Contact lenses allow you to have sharp vision without eyeglasses or costly vision surgery. Another benefit of contacts is that they grant a wider field of vision than glasses. This is a major advantage when it comes to playing sports or engaging in hobbies and professions such as photography.

If you are considering wearing contact lenses, you’ll need to schedule an initial eye exam and contact lens evaluation with your eye doctor. In the United States, contacts are regarded as medical devices that require a prescription by an eye care professional (ECP). In order to determine the best lenses for you, your ECP will assess your visual condition, structure of your eye and natural tear production.

Contact lenses are categorized depending upon the following factors:

  1. Material composition
  2. How long they can be worn before you have to take them out
  3. Life span- how long they can be used before you have to toss them and grab a new pair
  4. Design of the lenses

Material Composition of Contact Lenses

There are four different types of contact lens materials:

Soft Lenses

Over 90% of contact lenses on the market today are classified as soft lenses. These ultra-comfortable, thin contacts are constructed from gel-like plastics that contain a high percentage of water. They cover the entire cornea of your eye (clear front surface) and it is typically easy to adapt to wearing them.

First introduced in 1971, soft lenses used to be made from hydrogel materials. At present, silicone hydrogel is the most widespread, popular version. They permit a higher quantity of oxygen to reach the eye, which is healthy and comfortable.

Hard, Gas Permeable Lenses

Also called GP or RGP (rigid gas permeable) lenses, these contacts are smaller and made from plastics that have no water. They often provide the advantage of more acute vision, yet it generally takes longer to adapt to wearing them.

Hybrid Lenses

The center zone of these lenses is made from rigid gas permeable lenses, and a soft lens material encircles the border. Hybrid lenses thereby provide the best of both worlds – sharp vision from the center and a soft, comfortable border.

Wearing Time for Contact Lenses

The two primary kinds of contact lenses are daily wear and extended wear. Daily wear lenses must be removed on a nightly basis, and extended wear lenses may be worn up to seven days; a few brands of extended wear lenses are approved by the FDA for monthly wear (also known as “continuous wear” lenses). Extended wear lenses are very convenient even if you always remove them before going to sleep, as they are safe and comfortable for napping. Don’t sleep in your lenses unless you’ve discussed this with your doctor, since improper wear times can lead to corneal damage.

Life Span for Contact Lenses

All contact lenses must be discarded after a specified amount of time, even if you care for them well and properly. Soft contact lenses in particular accumulate lens deposits and contamination, which raises your risk of eye infections.

  • Daily disposable lenses: the most convenient and healthiest option, these lenses are replaced after one day of wear
  • Overnight disposable lenses (kept in your eyes overnight): must be replaced after one week
  • Monthly wear lenses: these are discarded after wearing for 30 days.
  • Gas permeable contact lenses: these are more resistant to lens deposits and can last up to a year or in many cases even longer with excellent care.

Designs for Contact Lenses

Contact lenses vary depending upon the type of vision correction that is required. The most common design is spherical, which works for nearsightedness, farsightedness and astigmatism. Toric lenses, which come in both soft and GP versions, possess multiple lens powers to correct astigmatism. Bifocal and multifocal lenses utilize a number of zones for different viewing needs, such as near, intermediate and far vision. They are often a good option for presbyopia. Orthokeratology (ortho-k) lenses are designed to reshape the cornea overnight, which corrects daytime vision without a need for eyeglasses or lenses.

Additional Features of Contact Lenses

Colored contacts: Lenses can be worn in color tints that enhance the natural color of your eyes or change your eye color totally. Blue eyes can be made more vibrant, or brown eyes can be altered to green.

Special-effect contacts: These lenses offer an extreme change to the color of your eyes and are generally used for costumes or theatrical effects. You can look like a zombie, an animal, or whatever you envision!

Prosthetic contacts: Disfigurations caused by disease or accidents can be masked by these colored contact lenses. With a medical orientation, prosthetic lenses are generally used to match the appearance of both eyes.

Contact Lenses that are Right for You

To identify the lenses that are ideal for your needs, you must first have a complete eye examination and contact lens evaluation performed by your eye doctor. Your ocular health will be inspected and detailed measurements of your eyes will be taken. Trial lenses will be inserted to check for the best possible and most comfortable fit and vision

After your initial fitting, follow-up visits for contact lenses are important. Your eye doctor will check that the fit is right and that no complications are developing. Your tolerance to contact lenses will be assessed. Sometimes a change in the fit or type of lens is necessary.

Your contact lens prescription will be issued after the fitting process is complete.

Proper Care and Handling of Contact Lenses

It is relatively simple to care for contact lenses. A single, multi-purpose lens solution is generally all that’s required for cleaning, disinfecting and storing your lenses. With daily disposables, routine care is totally eliminated and you can enjoy the feeling of a brand new fresh clean lens every day.

Your eye doctor or contact lens technician will instruct you how to take care of your contact lenses before you leave the office.

Eyeglass Frames


Are you in the market or mood for a new pair of eyeglasses? The selection is vast, with many fashionable, attractive pairs of glasses to browse through. How can you narrow down your options and choose the style of frames that are best for you?

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Eye Glasses Near You in Federal Way, Washington

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Questions to Ask Yourself When Choosing Eyewear

What’s my taste? Do I prefer a bold or subtle expression? Do I favor modern lines, a retro look or more conservative, classic styles?

  • Where do I plan to wear these frames- at work, in the backyard, or for social outings?
  • What colors work best with my skin and hair tones?
  • What are the primary colors in my wardrobe?
  • What’s the shape of my face?
  • Do I like my current eyeglasses? If not, then what’s the problem?

Bring this information to your optician when you pay a visit to the eyeglass store, and most of the work will already be done! Your optician, who is highly skilled and an expert in fitting your eyewear will be able to hone in quickly on the eyeglasses that are most suitable.

How to Judge Fit and Comfort

Research conducted by the eyewear industry indicates that women pay more attention to how eyeglasses appear on their face, while men are more interested in how they feel and fit. Yet even if looks are your primary concern, if your eyeglasses aren’t comfortable – you won’t be pleased for long.

To judge the fit of frames when trying them on:

  • Frames should be wide enough for your face and not too snug on sides of your head. The edges of your eyeglasses should extend beyond the sides of your face. This ensures that the temples won’t press in on your head as they rest on your ears.
  • The curves at the end of each temple should go past your ear without pushing down on it. If they don’t, then the temples aren’t long enough.
  • The built-in nose piece or silicone nose pads should fit comfortably and firmly, without pinching the bridge of your nose. Silicone nose pads can generally be adjusted.
  • Your glasses should be able to stay in place when you move your head to and fro. Nod a few times, turn your head right and left, and bend over to touch the floor. Make sure that your glasses don’t slip off.
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Is One Pair of Eyeglasses Enough?

Take a look at your closet. You likely own more than one pair of shoes, right? Unless you’re on a very tight budget, more than one pair of eyeglasses isn’t a luxury. Eyewear is a hip accessory, and the same pair may not be appropriate for all parts of your modern lifestyle. Just like your clothing, your eyeglass needs differ for home, work and social occasions.

If owning a solitary pair is enough for you, then choose frames that you love and feel good about no matter what you’re wearing or where you go. These eyeglasses will be on your face constantly, so take your time and pick a style that fits your unique personality and vision requirements.

Eyeglass Frame Materials


Eyeglass frames are made from a vast array of different materials, colors, and ranging in prices and specialty features. We know this can be a bit overwhelming so below you will find a basic guide explaining the most common types of frames and their benefits.

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Which Type of Frames Should I Choose?

It’s time to choose a new pair of eyeglasses, and the current selection of frames is overwhelming. Armed with only your vision prescription, you now need to navigate between different materials, colors, prices and unique features of all the eyeglass frames.

Your lifestyle plays a big role when considering the best material for your eyeglass frames. Children, teenagers, and anyone with an active lifestyle require durable and flexible frames that are able to withstand hits and falls.

As well, anyone with skin allergies must make sure their frame materials are hypoallergenic, such as titanium, acetate, or stainless steel.

Other specialty materials designers are using are wood, precious gems, bone and even leaves. Here is a basic guide that explains about the most common types of frames and what they have to offer.

Metal Frames

The most popular material for eyeglass frames, there is a whole array of metals to consider. Each metal comes with a distinctive set of properties and characteristics.

Titanium

Extremely resilient and corrosion-resistant, titanium is also hypoallergenic and weighs in at 40% lighter than other metals. Available in a variety of color tones, titanium is an ideal material for eyeglasses.

Beta titanium

Titanium mixed with small quantities of aluminum and vanadium, this alloy is more flexible than pure titanium. Adjustments to your eyeglass fit are therefore done easily.

Memory metal

Frames made of memory metal are composed of a titanium alloy that has approximately 50% nickel and 50% titanium. These eyeglasses are very bendable and will return to their original shape even after they are twisted and turned. Memory metal frames are superb for kids or anyone who is rough on their eyeglasses.

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Metal Frames Continued...

Beryllium

The primary advantage of beryllium is its corrosion-resistance. A less costly metal than titanium, beryllium doesn’t tarnish. It is an ideal option for anyone who spends a lot of time around salt water, or who possesses high skin acidity. Flexible, durable and lightweight, beryllium comes in a range of colors.

Stainless steel

Manufactured in both matte and polished, glossy finishes, stainless steel is strong, flexible, corrosion-resistant and lightweight. An iron-carbon alloy, it also contains chromium.

Monel

This popular alloy of copper and nickel is less expensive than other metals, yet depending upon the quality of plating used – it sometimes discolors or causes skin reactions after long use.

Aluminum

Lightweight and very resistant to corrosion, aluminum boasts a unique look and is frequently used in high-end, exclusive eyewear.

Plastic Frames

Zyl

Abbreviated from “zylonate” (cellulose acetate), zyl is relatively inexpensive and very popular in plastic eyeglass frames. Lightweight, it is available in a rainbow of colors, including multi-colored versions and layers of different colors within one frame.

Propionate

Often used in sports frames, propionate is extremely durable and flexible. This nylon-based plastic is also lightweight and hypoallergenic.

Nylon

Over recent years, nylon has been replaced largely by more resilient nylon blends, such as polyamides, gliamides and copolyamides. While 100% nylon is lightweight and strong, it tends to weaken with age and become brittle.

Cellulose acetate

A plant-based plastic that is hypoallergenic. This material was first used for eyewear in the late 1940’s because of brittleness and other problems with previously used plastics. Today’s acetates are known for being strong, lightweight, and flexible. Cellulose acetate also has the widest range for transparency, rich colors, and finishes. More complex colorations are able to be produced by layering several colors or transparencies in layers and sandwiching them together.

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Combination Frames

The best of both worlds, combination frames offer metal and plastic components in one frame. These styles were trendy in the 1950s and 1960s and have recently been revitalized for a fun comeback in many more colors and tones than the classic versions.

Mix It Up!

Each respective frame material brings unique features and advantages to your eyeglasses. One pair of glasses may not fit every part of your daily routine, in addition to social outings and special occasions.

Perhaps a pair of titanium frames is best for your sophisticated, conservative work environment, but on the weekends you’d prefer to show off style with a retro zyl frame in laminated colors?

Consider purchasing more than one pair of eyeglasses, and match your frames to your personality and lifestyle.

Performance and Sport Sunglasses


Whether you are out in the fields, the golf course, the waves or the mountains, no matter where you are, you want your sunglasses to protect your eyes from the sun and enhance your visual experience.

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More than Sun Protection

Sports and performance sunglasses are more than sun protection, they need to be designed for optimal, fit, comfort, acuity and strength, based on the demands of the sport or leisure activity you pursue.

Each element of your sports eyewear needs to be designed for active wear and to stand up to the tests of extreme weather conditions, rough play, impact and of course the sun. If you are fishing for example, you need anti-glare protection in your lenses for when the sun’s bright rays reflect off the water, you need a broad frame to keep out the mist and wind and you need strong frames and lenses for impact resistance.

Most importantly, depending on your sport of choice, your glasses should assist in creating an enhanced visual experience so you can see and perform at your best.

Performance Sport Lenses

The first consideration when selecting your sports eyewear is the lens. You likely want a lightweight, strong and durable lens that can withstand impact from debris, other athletes, balls or falls. The leading lenses in this arena are polycarbonate or trivex lenses which are made from highly impact resistant plastic that has built-in UV protection.

Glare can be an annoying and uncomfortable distraction in outdoor activities, which can reduce vision and have a negative impact on sports performance. Polarized lenses will help to reduce the glare that is reflected off of wet, icy or shiny surfaces.

Lens tints and coatings (such as anti-glare or anti-scratch coatings) can also help to improve visual clarity and can serve to reduce glare and to enhance contrast sensitivity to improve vision and therefore performance in certain outdoor activities. Some sports sunglasses come with interchangeable lenses of different tints to allow you to choose the contrast that most suits the conditions you are playing in.

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Sport Frames

When selecting sports sunglass frames, the most important consideration is whether they have a comfortable and secure fit. Look for a pair that is strong and durable, yet lightweight and that doesn’t press into your face and cause discomfort at the temples or the bridge of the nose.

For some sports like snowboarding, sports goggles might be the best option for the weather conditions and specific nature of the movement. Some frame options come with grips on the nose pads or temples to avoid slippage, particularly when you perspire.

Sports sunglasses are available in a variety of styles, shapes and sizes and the type that is best for you largely depends on the activities you participate in and what they demand. It is best to consult with your eye doctor or optician to get a full picture of your eye, vision and athletic needs in order to find the best pair of sports sunglasses for you.