Hypermetropia

An abnormal condition of the eye in which vision is better for distant objects than for near objects. It results from the eyeball being too short from front to back, causing images to be focused behind the retina. Also called farsightedness, hypermetropia

Pictures of nearby objects are even more blurred and looking to close it's often highly difficult. At low hypermetropia the eye it is able to adapt to viewing distance, despite the inaccuracies with fracturing. Hypermetropia in childhood may occur in combination with strabismus and visual impairment.

Usually, the far-sightedness, as well as short-sightedness, are inherited. Infants and young children are reasonably far-sighted. When the eye is also growing hypermetropia decreases.

Sightedness is usually detected when a child complains of eye fatigue. Many people with minor form of foresight has no bigger issues. Others suffer from eye strain (pain or discomfort in the eye), because of permanent use of ciliary^[1] muscle wihich is collecting the rays on the retina,  what makes picture to become clearer.

People with moderate or severe hypermetropia have permanently blurred vision and constantly straining their eyes. While this is not damaging for the vision, it is highly recommended to be corrected as soon as possible. Hypermetropia could be corrected with convex or collecting lenses, which are referred to the sign +Dsph. With age, ciliary muscle are weaken and every few years, a stronger lens are needed.

Reference:

[1] The ciliary muscle is a ring of striated smooth muscule in the eye's middle layer that controls accommodation for viewing objects at varying distances and regulates the flow of aqueous humour into schlemm's canal.