Desk. Wednesday , February 07th , 2018 - 14:53:18 PM
When purchasing an ergonomic office desk, there are certain features that are important. Make sure you find a desk that has an adjustable keyboard shelf which can be changed to suit the height needs for multiple users. The leading edge of the work surface on the desk needs to be between 24 to 27 inches high in order to allow for the arms of your chair. If this space is less than 24 inches, it will interfere with the armrests and could restrict movement.
Desk top computer use is usually more demanding beginning in the late forties or early fifties. Viewing through the distance portion of your eyeglasses to see just beyond the reading range to the computer screen puts a strain on your eyes by overworking the eye’s accommodative/focusing ability. The amount of lens power necessary to relieve the eyes from the stress is about half the amount of power necessary for you to read with.
The difference between using some magnification for the computer distance while in your late forties and older, versus not is demonstrated with this simplified example. Given a choice, would you rather walk two miles to work or ride a bike the two miles? You’ll get there either way, but you will spend a lot less energy using the bicycle. This is the reasoning and science behind using a dedicated pair of computer glasses or using a computer clipon lens.
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