These are those patients who wear glasses with plus numbers. Some of them have lenses with very high numbers as seen in the pictures below
The eyes of the person wearing such type of glasses appear slightly bigger
These patients naturally have an eye defect that develops during the period from childhood to adulthood. Actually the length their eyeball is smaller than normal as seen in the picture below
See in this picture that the focusing system of the eye tries to make the image of the tree on the retina but cannot and the image either does not form at all or is very much blurred because the retina is far nearer to its actual place
How a hypermetropic patients looks without glasses and what is the difference when they see through their glasses. This can be visualized by looking at these pictures
This picture explains that how glasses or contact lenses correct this defect
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