Eyewear Lenses and Treatments

Glossary of eyewear lenses, treatments and general information about different types of eyeglass lenses and treatments. Our opticians offer personalized assistance in selecting your new eyeglasses. We will also help you make the correct choice in for your eyewear lenses, treatments and coatings. There are many options available.The eyeglass frames you select can make a different in your eyeglass lenses. Make sure your optician gives you all the options so you can make the right choice.

Aspheric Lenses: Aspheric lenses are designed with a different curvature across the surface of the lens. This allows your eyeglass lenses to be thinner and flatter. This can help you see better and also help fit better into your eyeglass frame. They also help reduce the effects of high prescriptions, whether you are nearsighted, farsighted or have astigmatism. They are available in many different lens materials.

Bifocal Lenses: These types of eyewear lenses can correct for both distance vision and at near all in the same lens. It can be more convenient than having two pairs one for distance and one for near. There are many different types of bifocals. Some bifocal lenses have lines and some are no line bifocals. Line bifocal lenses come in different widths, which serves different purposes. Most common type is called a progressive multifocal. A progressive multifocal is a no line bifocal.

Progressive Multifocal Lenses: Progressive Multifocal Lenses are lenses that eliminate the “Line” associated with bifocals. The advantage of multifocal lenses is the ability to vary the clear focus up close. You can see images clearly at any distance verses bifocal lenses where you can only see at distance and close reading. This comes in handy especially while working on a computer. Computer distance is usually a bit further away that reading a book or your phone. There are many different designs available. Please let our opticians help you select the best design for your vision and prescription. These designs come in a standard surface lens or a digitally surfaced lens. The latter compensates for a stronger prescription. This is useful which can help you see clearer at any distance.

Trifocal Eyewear Lenses: Trifocal Lenses have two lines that allow distance, intermediate and near vision. This eyewear lens is used for patients that don’t want a progressive lens but have arms length or computer requirements. A trifocal lens comes in different widths depending on your visual needs.

Single Vision Lenses: This is the most common type of eyeglass lens. Single vision lenses correct your vision at distance. Some of these lenses can be used for near reading. Whether they correct your blurry distance or near vision, they are produced to address one or single prescription. This type of lens can be a plastic, polycarbonate or hi index lens.

Eyewear Lens Materials: 

Plastic or CR-39 Lenses: CR-39 has great optics or clear vision. This type of eyeglass lens is used for lower prescriptions. Plastic or CR-39 lenses can be combined with any coatings or treatments. I currently use this eyewear lens material.

Polycarbonate Lenses: Polycarbonate lenses offer one of the safest, most impact resistant lenses. Polycarbonate are great for children, used for sport goggles and is a bit thinner than CR-39. These types of lenses can be made for any prescription and thickness.

Hi-Index Lenses: Hi-Index lenses are an excellent choice for stronger or higher prescriptions. They are offered in different thicknesses depending on your prescription. We can determine which hi-Index lenses is best for your vision and prescription.

Digital Lenses: Digital eyewear lenses are the latest in technology. These lenses offer some of the best designs with the best materials. They come in plastic, hi-index and polycarbonate materials. If you never really felt like you have good vision thru your eyeglasses, you should try a digital lens.

Eyewear Lens Treatments

Anti-Reflective Coating: Anti-reflective coated lenses are a great choice for any pair of glasses. This reduces reflections which allows you to see clearer. This coating may also help reduce blue light from our digital devices. There are differences in the quality of this coating. Make sure to know which type you are receiving. The Optician should know the manufacturer and the name of the coating. We offer the best anti-reflective coatings in the industry.

Photo-chromatic Lenses: Photo-chromatic lenses are lenses that appear clear indoors then become darker when you go outside. They change when exposed to sunlight or uv exposure. These lenses are very convenient but some people still prefer a pair of sunglasses. There are a few options with this type of eyewear lens. They also come in a a version that gets really dark outside and behind the windshield of your car. This type does not become totally clear in doors.

Polarized Lenses: Polarized sun lenses have a built-in filter to reduce glare. These type of lenses are great for everyday use. This sun lens reduces so much glare from your vision. It reduces fatigue from squinting. If you have never had a pair of polarized sun lenses you should really try them. They are wonderful.

Scratch-resistant coating: You should always get a scratch-resistant coating. It may come standard on your eyeglass lenses. Scratch-resistant coatings definitely reduces the chance of your lenses scratching and usually has a warranty against normal wear. WE always recommend a scratch resistant coating if it doesn’t come standard on our eyewear lenses.

Ultraviolet UV coating: The sun is the most common source of uv radiation. It causes skin problems and also affects your eye health. It is a must for coating for everyone. Always get a uv coating on your lenses. It may come already be included in many eyewear lenses.

This is just a summary of the various types of eyewear lenses available. Please let our opticians help you when deciding on the best eyewear lenses for your vision. You can schedule an eye exam online with our optometrist at EyeMechanix.com or give us a call to schedule an eye exam.

Schedule an Eye Exam today with our Lincoln Park Optometrist and SEE the difference!

 

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