Prescription Lenses

At Ewing Optical we offer prescription glasses, frames and eye exams. We have a huge selection of the best frames and prescription eyewear. We also carry sport safety eyewear! We guarantee that our dedicated and professional staff will make the entire experience a comfortable and fun one for the little ones in your life.

Prescription Lenses

Lens Types

Single Vision: These lenses have a uniform prescription across the entire lens. They are ideal for farsightedness, nearsightedness and astigmatism. They are also helpful in reducing digital eye strain, keeping your eyes comfortable and relaxed.

Bifocal: These lenses have both reading and distance sections, which are separated by a visible line. The upper part of the lens is used for distance and the bottom part of the lens is used for near vision. Having this type of lens allows you to have an easy time reading without straining your eyes.

Trifocal: These lenses have a small segment that includes a small lens portion above the near vision segment. The result is three separated portions of view. The intermediate area enables the wearer to clearly see objects that are about 18-24 inches from the eyes, like a car dashboard or computer.

Progressive Lenses: These lenses are line-free multifocal eyeglass lenses that look exactly the same as single vision lenses. Progressive lenses will help you to see clearly at all distances without the “bifocal lines” that you can see in normal bifocal and trifocal lenses. The power of progressive lenses changes gradually from point to point on the lens surface, providing the correct lens power for seeing objects clearly at virtually any distance.

Occupational Lenses: Occupational lenses are a type of prescription eyewear that allows the wearer to view all working distances, side to side, up and down, within a normal working distance, or a small environment. A normal working distance typical to most occupations is considered somewhere between 10-13 feet. Our everyday working and lifestyle environments require that we have clear vision at working distances of 1.5, 2.5 and out to 10 feet at all viewing angles.

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Lens Materials

Plastic

Plastic lenses are ideal options for entry-level prescriptions. They are far more scratch resistant and better when it comes to tinting. These lenses are good for prescriptions below -2 diopters.

Polycarbonate (Poly)

Poly is a better material when it comes to impact-resistance. It is also the best material to protect you from harmful UV rays. They are best used for making sunglasses, children’s glasses, and sportswear.

High-Index Lenses

High-Index lenses are slimmer and lighter than normal plastic lenses. Their slim appeal reduces the stereotypical “bug eye” normally associated with thick lenses in farsighted prescriptions.

Upgrades

Tints

The amount of light you receive varies throughout the day and tints can help reduce the glare this lighting can have on the eyes. Tints give you natural vision, contrast improvement and boost depth perception to suit your lifestyle. Follow the steps below to choose the best tints for you.

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HD

HD lenses go through digital customization to give your lens a sharper focus and a wider angle in all lighting conditions.

Anti-Scratch

You can choose to add an anti-scratch coating on top of your lenses to reduce the chances of getting a scratch. However, no lenses are 100% scratch proof.

Anti-Reflective Coatings

A slim coating placed on lenses reduces glare from eyeglasses and offers better night vision tolerance for driving at night. It is also suitable while viewing a computer or reading.

Photochromic

These lenses automatically change whenever you are exposed to harmful UV rays and darken to protect against over-exposure.

Polarized

Polarized lenses have a particular filter that only allows vertical rays to pass through. The lenses block glare from horizontal rays, giving you crisp and clear vision. These lenses also have UV-protecting capabilities.