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Focal lenfth: Computer glasses are helpful especially in the presbyopic age to provide intermediate focus for that task when the video screen and keyboard must be in simultaneous focus. Regular glasses (bifocals) give clear far and near vision but might not give a totally clear image at video screen distance. ...Read moreSee 1 more doctor answer
Usually one-half: Not too difficult. Take one-half of the add power (the near power) and add it to the basic power (e.g. -4.00 for basic and +1.25 for add equals -2.75 for the computer power). Slightly more complex if you have significant astigmatism, the final power in the above case for computer bifocals would be upper power = -2.75 and near power +1.25). ...Read moreSee 1 more doctor answer
Saw on web about Gunnars Computer glasses.For long exposure to screens.the glass have +0.2 power. but i have no vision problems.Are they safe?
No need: Just make sure to blink frequently and look away for a brief time or give yourself short breaks. We tend to stare at the monitor and forget to blink. Blinking stimulate tear production otherwise you will dry up. When we look up close we contract our eye muscles which after a while it will cause eye strain. You need to look away to relax muscles. People over 40 May need computer glasses ...Read more
Yes, yes, yes!: To use a computer monitor, you need the ability to accommodate or focus up close. Presbyopia is common and can be completely alleviated by use of glasses. Plus, lens tiniting can be used to reduce glare and improve contrast. See you ophthalmologist for a full evaluation and refraction. ...Read moreSee 1 more doctor answer
Yes: For people with presbyopia (difficulty with focusing closely), readers can work wonders. What they cannot address however are differences in focus between the eyes or astigmatism. For many people however, otc readers work great and are inexpensive. For the ultimate clarity, see your ophthalmologist and try some custom glasses. ...Read moreSee 1 more doctor answer
Can eye strain cause dizziness and light head all the time? How long can it last? Eyesight is 20/15, dr says no problems. prescription for computer glasses.
How soon after lasik should I get computer glasses? I know the prescription can change. Now that the myopia is gone my right eye feels strained.
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