The Child's Day

ad to get your eyes to tell you to-day, and then shut your eyes for a minute and think what it would mean never to be able to see. Don't you think yo

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t makes a great difference to your eyes how you hold the book and how the light falls. In reading, you should always hold your book so that the light falls upon the pag

the book, pours into your eyes; and this dazzles and confuses your eyes, so that you can't see plainly and comfortably and are very likely after a while to find that your head aches. At home, of course, you can seat yourself with

an see what is written there quite plainly. But if the blackboard happens to be between two windows, and especially if th

omes quite plain. This is because your eye has to change the shape of one of the parts inside it, called the lens, before you can see clearly the things that are near you. This change, which is called accommodation, is made by a little muscle of the eye; and if you keep your eyes working at close work, like reading or writing or fancy-wo

, or in a poor light, or with the light shining right in your face instead of coming over your shoulder. But sometimes it is caused by the fact that your eyes are not just the right shape;

or a foot from your face; or if your head aches or your eyes begin to feel tired or uncomfortable, or the letters begin to blur, after you have read steadily-say, for half an hour,-it is a pretty sure sign that there is some trouble with your eyes. Then you had bet

lades. She thought that the grass looked like a green blur to everyone, just as it did to her; and so she never said anything about it. She was twelve or thirteen years old before she found out that she couldn't see clearly. Of course, trying hard to see things gave he

ALL IN I

ps to turn the eyeball, has been

the eyeball about, up and down and from side to side. There are muscles outside the eye as well as inside. Coming out from the back of the eyeball is a pearly white cord qu

d waves, and the eye nerve is the only nerve that can get pictures of them. You know that, for wireless messages, the receiving machines are not all alike and cannot all take the same messages

ur eyes "quick as a wink" whenever anything seems likely to fly or splash into them, and this is what the eyelids are for. If anything gets into the eye before the lids can shut, the eye "waters,

nd inside the color-ring, or iris, a little round black hole that we call the pupil. Watch the little hole change as you turn the face toward the

THEMSELVES AG

or burn the inside of the eye; but when the light is dim, the iris opens again, so as to let in light enough with which to see. Look at the little window in your

many things that you learn through your sense of sight. Many of these children need not have been blind, if the nurse who first took care of them when they were born had known enough

, and to find things in pictures, and, better still, to see things out of doors, in the garden and the woods and on the seashore. We hear a great deal about "sharp eyes," but most of us see very little

ng it is, tempt you to read in a dim light or a light that is too strong. And if you can't see the blackboard easily, or can't read big prin