Working on the computer is straining one eye, why?

Question

I'm just at home today so not wearing my contacts. I'm doing alot on the PC. My prescription is -2 in my left eye and -3 in my right.

How can it be that my right eye feels strained looking at the computer, after all I'm nearsighted I thought we could always do near work with no problem. It's not that I can't see the screen (I don't need reading glasses) - I can see it with and without glasses.

In fact it's better with glasses. Why is that?

Answer 1

Most likely because the eyes are imbalanced.  One has to work more to keep up with the other.  -2.00 is perfect for computer distances, but -3.00 is too short-sighted.  if you had glasses with -1.00 on the right and 0.00 o the left, it'd be perfect for computer.....

Answer 2

it is obvious if u work lot at pc your eye will strain ....but reason that your one eyes pains more is that ... ur that eye is weak as compared 2 other eye...

The causes of eyestrain include:

    * Focusing the eyes for prolonged periods on a fixed object, especially one that is held close to the eyes. The eyes are designed to shift focus between near and distant objects and extended focusing on a single object can cause eyestrain. Eyes are strained more by close viewing than by distant viewing.

    * Poor lighting. Doing close work in poor light forces your eyes to focus under difficult conditions.

    * Glare, either direct or reflected, makes it difficult to see. Direct glare is when a light source shines directly into the eyes (for example bright ceiling lights or sunny windows). Reflected glare, such as on computer screens, sometimes causes eyestrain. This is because the contrast between the image you are viewing and its background is reduced by the reflected light, making it harder for your brain to interpret the image. As your eyes strain, facial and eye muscles tighten.

    * Contrast is the difference in brightness between what is being viewed and its immediate environment. Excessive contrast can lead to eyestrain. This may occur if a dark screen is surrounded by a bright background such as a window or a lit wall, or if a screen shows light text on a dark background.

    * Vision problems. You may be straining to see because you need corrective spectacles or because you need to update the prescription of your current spectacles or contact lenses.

Many studies have shown that the tiny amount of radiation emitted by video display terminals, including computer and television screens, does not cause eye damage or eyestrain, even after a lifetime of exposure.

source :--

health24.com

Answer 3

the stronger eye is working harder which can cause the dtrain