Our Lenses

LENS DICTIONARY

Single Vision: Single vision lenses will correct vision for those people experiencing:

1) Astigmatism: People who have poor near and distant vision can have astigmatism. Astigmatism is caused by an irregularly shaped cornea that is more oval than round.
Astigmatism is very common and is always accompanied with myopia or hyperopia.

2) Myopia: (nearsightedness) People who see well up close but not at a distance.

3) Hyperopia: (farsightedness) People who see well at a distance but not close up.

Examples of single vision lens use: eyeglasses for reading(presbyopia), driving, school, movies, TV, and computers.

Some single vision wearers may be able to use their glasses only for a specific activity while others, depending on the prescription, may need to wear their glasses all the time.
 

Bifocals

Bifocal lenses will correct vision for those people who are experiencing poor distance vision as well as poor close up vision. Bifocal lenses are also worn by people with perfect distance vision and poor close up vision caused by presbyopia.

Presbyopia: An age related vision impairment affecting everyone from the age of 45 on regardless of any previous vision history. It is characterized by an inability to see clearly for up close objects, for example, reading. Presbyopia occurs when the crystalline lens loses elasticity, which hampers the ability to focus on near objects.

Older Style Bifocals will provide the wearer with distance and near vision but they have a visible separation line, most often seen as a half moon segment which the wearer uses to read. Today the more popular choice is the progressive lens.

Trifocals

Like older style bifocals this type of lens has visible seams. It allows the wearer to see at three distances; far, intermediate, and close up. The draw backs of this lens is that there are two seams to contend with. This lens is still available but used less and less.

Progressive Lenses

These lenses allow the wearer to see clearly at any distance. The lenses are designed to have a natural seamless transition from distance to intermediate to close vision and back again.

There are many types of Progressive Lenses available. Your professional Optician at Visions One Hour Optical can help you determine which will work best for your lifestyle. The new designs are much improved over the first generation of progressive lenses, so don't let a previous experience scare you away. Try these new lenses for yourself; they are revolutionary!

Computer Lenses

Single vision/Anti Fatigue Lenses: Designed for people who spend long hours in front of a computer but do not yet require a bifocal. Anti Fatigue lenses offer more comfort for the computer by reducing eye strain.

Office Lenses: These lenses are for those who may already wear a progressive Bifocal, but need the convenience of having close up vision and also being able to look up from their desk to see clearly even if they don't need a distance correction. Office lenses offer an intermediate range of vision (computer and keyboard distance) and a reading range. Users of this type of lens report less eye and neck strain when using the computer.

High Index Lenses: High index products provide thinner and lighter lenses for those with higher prescriptions. High index lenses can reduce the thickness of a lens considerably, which results in a more pleasing cosmetic appearance and since it is lighter it is more comfortable as well. Choosing high index lenses may increase the number of frame options available to those with higher prescriptions.

Coating and Lens Treatments

Lens coatings are an excellent way to enhance the durability, clarity, and performance of your lens.

Anti Reflection Coatings: Also known as Anti Glare, this coating is an excellent choice for almost all lenses. An uncoated lens will reflect eight to nine percent of light hitting
the surface, and Anti Reflective coated lens allows 99.9 % of the light to pass through. Less reflection means more clarity for the wearer.

Today Anti Reflective coatings are paired with excellent scratch resistance and increase the durability of the lens as well as the clarity for the wearer. At Visions One Hour
Optical we recommend Essilor Crizal Anti Reflective coatings. A Crizal Coating offers superior smudge resistance and anti static properties, making it easier to clean. Ask
the professional Opticians at Visions One Hour Optical how Crizal can work for you.

TD2: Regular scratch resistance is sometimes not enough because certain lifestyles and jobs can be hard on lenses. TD2 offers the additional scratch resistance that some of us need. TD2 is twice as durable as regular scratch resistance.

Ultra Violet Coatings: This is a coating that can be applied to the lens in order to filter out the harmful UV rays. We put sunscreen on our skin but forget about our eyes. UV coatings are clear and are for everyday use. We are bombarded with UV rays even indoors so a UV coating is something to think about.

Transitions: Transitions are variable tint or photo chromatic lenses. This means that the lens will darken or lighten according to the light conditions. Transitions lenses are virtually clear indoors and darken to a sunglass outdoors. Transition lenses also provide the wearer with protection from UV radiation by blocking 100% of these harmful rays. Transitions lenses are available in a wide variety of lens styles. Ask one of our experts if Transitions lenses are right for you.

Whatever lens you need, we can supply! So come in to see one of our trained professionals and let them assist you with your decision.