Sunday, December 13, 2009

It is normal for glasses to make your eyes look smaller?

i just got this new pair of glasses, and my eyes look smaller when i look at myself in the mirror. Also when i see through them, everything looks clear but smaller.It is normal for glasses to make your eyes look smaller?
Well, to start, yes, if you are nearsighted. Farsighted people have magnifying lenses that make their eyes look larger, while those of that are nearsighted, have ';minimizing'; lenses that make our eyes look smaller.





Nearsighted people often have a tendency to want more power than they actually need, hence you may be slightly over-corrected.





And yes, if you are over-corrected, objects will look smaller to you.It is normal for glasses to make your eyes look smaller?
From your question, you must be nearsighted.





Lenses that correct myopia do make the image smaller. This is a property of the virtual image for a diverging lens. If you hold your glasses out in front of your face, you can clearly see this effect. Everything seen through the lens appears smaller, including your eyes from the viewpoint of someone looking back at you.





As for things appearing smaller but clearer when wearing your glasses, you are noticing that for every (-) diopter of correction from glasses, the image presented to the eye will be 1.5% smaller. Farsighted people wearing glasses see images 1.5% larger per diopter. People are able to distinguish image size differences of about 0.25 to 0.5%, so it is not surprising that you can observe this effect.





Contact lens wearers do not experience this effect because the distance from the lens to the eye is a factor in the formula. When the distance is zero, then the image size remains unchanged.

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