Eyeglasses or contact lenses prescribed for general use may not be adequate for computer work. Lenses prescribed to meet the unique visual demands of computer viewing may be needed. Special lens designs, lens powers, or coatings may help to maximize visual clarity and comfort. These lenses take into account the specific viewing distances of a computer screen and can be customized for most work environments. Computer glasses are different from regular glasses because they are specifically designed to help reduce eye strain associated with computer work. Glasses designed for these devices use custom measurements and lens options to help avoid an unnatural posture that can result in neck and back pain. They are recommended for computer users of all ages.
BY JENNIFER LH MURPHY, OD
EYEING NEW TECHNOLOGY
I
FOR COMPUTER VISION SYNDROME n this modern world, long hours using a digital device are a fact of life. It is how we work, learn, and relax. Whether it is on a computer, tablet, or smartphone, we are spending more time on digital devices. It has become such a normal part of our lives that we may not realize the strain it places on our eyes.
Computer vision syndrome, also referred to as digital eye strain, is a group of eye and vision-related problems that result from prolonged digital device usage. Many people experience eye discomfort and vision problems when viewing these screens for extended periods of time. Often the level of discomfort increases with the amount of digital screen use. The most common issues associated with computer vision syndrome include eye strain, blurred vision, and dry eyes, which can lead to headaches, eye pain, and fatigue. These symptoms can be caused by glare from digital screens, blue light being emitted from devices, distortion from an uncorrected glasses prescription, and reduced blinking. The presence of even minor vision problems can significantly affect comfort and performance at a computer or while using other digital devices. Uncorrected vision problems can be major contributing factors to digital eye strain. 52
CIRCA Magazine
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Single vision computer glasses have lenses with a modified prescription to give the most comfortable vision at a specific viewing distance. They allow the eye to relax by reducing the amount of work required to keep the screen in focus. These lenses also provide the largest field of view, which may be ideal for those who use multiple monitors. Multifocal computer glasses include occupational bifocal and trifocal lenses. These lined multifocal lenses have larger zones for intermediate and near vision than regular bifocals and trifocals,
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