Ds1 (5) went for his first eye test today. He had trouble reading some of the letters and this concerned the optician. He looked into ds' eyes and said he suspected astigmatism and was quite certain that ds would need glasses, but, as ds was not co-operating with the test, the optician said he would need to put in some eyedrops to relax the eyes and then test again to determine the power of the glasses. He said that for testing children they don't rely on the child's ability to read the letters.
I have never had any worries about ds' eyesight (well besides the fact that dh and I both wear glasses), and as a baby he would spot aeroplanes which were tiny specks in the sky that we had trouble seeing. So I was surprised when ds had trouble reading some of the letters in the test.
However, I just wanted some reassurance that the test of looking into the eye to determine how weak his eyes are is accurate in determining how weak his vision is and what prescription his glasses should be.