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Computer Glasses

Blue light is another necessary factor when addressing the need for computer glasses. Dr. Schwartz explains, “Blue light comes from computer screens, televisions and smart phones, and has been known to cause eyestrain, headaches and fatigue. Even more alarming, recent studies also point to growing evidence that blue light exposure has the potential to significantly increase a person's risk of macular degeneration over time. Fortunately, the last few years have seen significant strides in blue light blocking technologies that can be widely applied to make computer glasses even more effective at protecting your eyes.” Click here for more about 'The Dangers of Blue Light and What You Can Do'.

Do you regularly experience blurred vision, eyestrain or headaches after being on your computer or smart phone for awhile? If so, you may be experiencing a condition known as Computer Vision Syndrome. Fortunately, eye doctors have developed a special type of eyeglasses, known as computer glasses, that are made specifically to address the unique needs of those who are on the computer or other electronic devices for extended periods of time each day.

The special glasses removing ultraviolet light or having antireflective coatings will not solve your problems. However, computer and near stress reducing lenses can help reduce strain and improve visual comfort and efficiency.

Computer glasses are likely equipped with specialty lenses, such as BluTech and Crizal Prevencia, that are meant to reduce or eliminate many of the harmful side effects linked to increased time in front of computers and other electronic devices. This is done by selectively filtering out blue light, which improves visual comfort and reduces eyestrain. Simultaneously, these lenses allow non-harmful light to pass through, permitting the clearest vision possible.

Especially, if you are over 40 and your arms aren't as long as they use to be, you may need specially designed glasses to see clearly and comfortably. During your early 40s simple reading glasses will probably work on the computer. As you get older your current reading or standard progressive lenses might not work. Reading and computer work are often at two different distances, different enough so that simple reading glasses will not keep both distances in focus. Also, traditional progressives have an intermediate area that is too small or low for computer work. You may need a special lens whereby the intermediate area is raised and larger. The best way to determine which lens is actually right for you is have Dr. Schwartz evaluate your specific needs:


Single Vision Lenses

Simple single vision lenses are often the answer in the patient just becoming presbyopic or when the computer terminal is at approximately the same distance as the computer terminal. They are easy to use and relatively in-expensive. They have minimal flexibility having only one focal distance.

Traditional Bifocals

May be a problem. The segment may be to low and set for 16". There is a range of clear vision with a bifocal and the computer may be too far away.

High Fitting Bifocals

Excellent sedentary glasses. Better for reading, computer work etc.
The top of the lens is to watch TV or see people coming in your office. If reading distance and computer viewing distance are at the same distance this design will be effective. However, as you get older and loose more of your focusing and/or the computer and reading distances are different distances, this design may not work. The bifocal must be large and fit high.

Specially Designed Bifocals

Top of the lens is set for the computer and the bottom is set for reading. The bifocal segment should be low. Great compromise over the single vision lens. If made the frame should be on the small side, so that you can slide them down your nose to see at a distance. Disadvantage: noticeable line, no distance vision. Advantage: excellent optics with large field of vision.

Occupational Bifocals

Top of the glasses are for distance. Large intermediate area for the computer. "Bifocal segment" in the bottom for reading. These glasses are for working only. Removes the disadvantage of the preceding lens. Disadvantage: line is seen by you and others Advantage: excellent optics, large field of view.

Progressive Lenses

Normal progressive glasses might work on the computer but they have similar problems as traditional bifocal. The reading and intermediate area may not be high enough. More importantly the reading channel
is not wide enough and usually too low for your computer. Result: stiff neck.

Computer Progressive Lenses

A progressive design which is biased for near, i.e., reading and computer use. It has a narrowed channel at the top designed to see clearly as far as 15 feet; a large progressive intermediate zone for the computer; and a large area for reading. There are no lines, thus, it is cosmetically acceptable and very functional in an office environment. Best to leave at your desk. Note the traditional progressive has a large distance area and a smaller, lower intermediate and reading area.

In addition, the latest industry solutions to this growing problem exist. Hartsdale Family Eyecare carries BluTech Lenses which are unique lenses specially created to selectively filter out blue light, increasing visual comfort and reducing eyestrain. See here for more about BluTech Lenses.

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