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When Glare is Too Much to Bear

  • Written by  eyecessories informer

Tips to avoid eyestrain, fatigue and discomfort;

Spring is here and the days are heating up, however it is also a time when your eyes are put under a lot of strain. Fortunately, there are a few things you can do to help relieve and even prevent eyestrain, but what's the cause? Glare. Unavoidable in many situations, glare is a major factor contributing to loss of focus, discomfort and eyestrain.

Eye strain

Eye strain is fundamentally caused by straining one or more of the eye muscles. Most commonly, eye strain is caused by straining the ciliary body which is the eye muscle responsible for accommodation. Typically the muscle is strained by keeping it in one position for a long time or by environmental stresses, which cause you to refocus on a position numerous times and glare is the number cause.

Symptoms of eyestrain as defined by the Mayo Foundation for Medical Education and Research may include:

• Sore, tired, burning or itching eyes

• Watery eyes

• Dry eyes

• Blurred or double vision

• Sore neck

• Sore back

• Shoulder pain

• Increased sensitivity to light

When to see a doctor

See your doctor if you have ongoing symptoms that include:

• Eye discomfort

• A noticeable change in vision

• Double vision

• Headache


Glare is caused by the reflection of light off surfaces such as wet roads, car bonnets and sunsets. Glare can hinder visibility by reducing the brightness of what you are seeing, by constriction of the pupils. It also causes a reduction in contrast of what you are seeing by scattering the bright light within the eye.

Studies have shown that due to the difficulty in refocusing, glare becomes a major cause of eyestrain, discomfort, fatigue and may also contribute to temporary loss of vision. Glare then becomes dangerous due to its power to reduce visibility and cause fatigue, especially when in situations such as driving.

Good visibility of the road and its surroundings is a basic requirement for safe driving. Glare caused by direct sunlight interferes with drivers' vision performance. In high-glare conditions the visibility of objects is reduced thus increasing the probability of occurrence of incidents and crashes.

You can eliminate glare by controlling the light source, the surface reflecting it or by filtering it before it reaches your eyes, and the best way to do this is through the use of optical aids such as sunglasses.

Protect your eyes

As Glare is one of the leading causes of eyestrain and sub-optimal vision, it is important to avoid it as much as possible. With some ergonomic knowledge and technology we can fight glare and improve our vision and productivity.

• If you cannot eliminate the glare, then take measures to stop its effects before it gets to your eyes.

• Polarized lenses on sunglasses eliminate the majority of glare. Prescription lenses can also be polarized by purchasing clip on options to your glasses. This is the best option when driving.

• Consider installing an anti-glare screen on your monitor and, if possible, paint bright white walls a darker color with a matte finish.

The Benefits of Wearing Sunglasses

Sunglasses not only look fashionable but more importantly they reduce the effects of glare, protect your eyes from harmful UV radiation and have recently been shown to reduce the effects of jet lag.

A pair of sunglasses may look very simple yet offer some great health benefits to the eyes. Sunglasses are often worn to reduce glare and polarized sunglasses are designed to specifically reduce glare caused by light reflected from non-metallic surfaces such as water, glossy printed matter or painted surfaces.

Sunglasses offer guard from powerful light. When the eyes receive extra light, they act by closing the iris. Once the iris is closed as much as it can, the subsequent step is squinting. Squinting can cause crows feet and additional age lines to the face and eye area, therefore suglasses aid in reducing these effects.

To discover sunglass products that protect your eyes for sporting, safety or prescription needs and more visit eyecessories.com for our great range of sunglasses and eye accessories products.

Last modified on Friday, 14 October 2011 13:24








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