smeakim

Ok someone here has to know the answer. I wear contacts and glasses when I don't have my contacts in. My vision is not super bad. I have an astigmatism(sp?) in both eyes. My dad has great far vision and needs glass for close vision or watching TV. So here is the question. I had my glasses on the other night. I held his glasses out in front of my glasses at about arms reach. When I looked through my glasses that I had on through his glasses at the TV or the clock everything was upside down. No one believed me. I then grabbed my camera and put it behind my glasses and had my wife hold my dad's glasses at arms reach. We snapped a picture and sure as could be you can tell the image was upside down. I did the same with my wife's glasses and my my mom's reading glasses and the image that was displayed was normal? Anyone know why?

Alpo

light refraction through convex and concave lenses and focal points. If the wearer of the glasses is farsighted you will probably see upside-down Images in his convex lenses. If he is nearsighted you will see small upright images in his concave lenses.

smeakim

Ahhh makes sense... My wifes I see small images.... Suprised I never noticed before....

Maarchk

I wouldn't have every realized that. Good show and tell!

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