Your eyesight may be harmed by a number of things including bright light, reading in dim lights, contact lenses, and sitting so close to your TV screen.
No, but it is hard to do.
maybe you have bad eyesight or when you are watching TV in dim light it seems 3d
My eyesight was strongest when I was very young probably in the eighth standard. Later on, I used to study a lot in the dim light that resulted in eyesight weakness. Tips For Protecting Your Childβs Eyes Children's Park North Blog Spot
You can learn things from them. And don't read them in dim light.
There appears to be very little and controversial evidence that reading in dim light affects eyesight. See http://www.agingeye.net/visionbasics/visionmyths.php - Vision Myths, published by The Eye Digest, University of Illinois Eye & Ear Infirmary, Chicago, IL. See also Does reading in poor light actually hurt vision in Google Answers - http://answers.google.com/answers/threadview?id=159098. Overall, the answer seems to be "No".
the pupil gets larger in darkness, as it is trying to let in as much light as possible. when you turn the light on again, it will constrict, because there is more than enough light. it is protecting your eyesight
...would be dim.
rods are our or dim light and peripheral vision receptors
You will know if the light is not good enough for you if you start to get headaches or if you find that your eyes are feeling tired and your are squinting. Yellow lighting is less expensive and is not so piercing but really it is a personl preference.
An antonym for dim is low light
TV doesnt harm your eyesight, only if you sit RIGHT in front of it. and they'd need to dim it down a bit for it not to hurt your eyes