What kinds of problems is the doctor looking for?
The examinations performed before age 3 are mainly to make sure the structures of the eye are healthy. The examiner will look for anything that seems too small, too large, or the wrong shape. Some parts of the eye should be clear to let light pass through, and other parts should be a certain color. If any of these things appear unusual, more tests will be performed to find out if there is a problem. Starting when the child is 3 years old, the examinations will also test the function of the eyes. Visual acuity tests are important to make sure both eyes can focus well. If not, it might be necessary for the child to get glasses. Young children don’t read or go to school – why would they need glasses? Usually, the eyes and the part of the brain involved in eyesight develop together as a child grows. Both must be working well, however, in order for the whole visual system to develop. If the eyes are out of focus, they will not send the right kinds of signals to the brain. This can cause hea
