Children's eyesight test book, London, England, 1979
This book is devised for children. It is a form of visual acuity test. This means it tests the ability to discern letters of different sizes. The test tells the optician what standard of eyesight the child has. It can diagnose eye problems early in childhood. Many common conditions can be easily rectified at this point. The book is based on the classic Peter Rabbit story by Beatrix Potter. The text is written in blocks of decreasing size. The child reads until they can no longer see the text. This is like a visit to the optician when we read off a chart at a distance.
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The branch of medicine dealing with the diseases and surgery of the visual pathways (usually the eyes or the brain).
The branch of medicine dealing with the medical care of children, infants and adolescents. The patient age limit is usually 14-18, depending on the country. A medical practitioner who specializes in this area is known as a paediatrician.
Glossary: Snellen test types
Chart used for vision testing. The chart shows lines of black letters varying in size from large to small down the chart. Which a patient is asked to read. The optician is able to tell the level of the patient's eyesight when s/he can not read any further.