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Etiology - The central cause of hyperopia (farsightedness) is a distortion in the shape of the cornea/eyeball. It is often hereditary and disproportionately affects children who have not finished growing.
Symptoms - Blurry up-close vision, eye/strain fatigue, squinting, and headaches.
Details - Hyperopia occurs when the cornea is either under-curved or the eyeball itself is too horizontally short. This defect causes light to focus behind the retina, leading to cloudy and unclear vision of up-close objects. It is especially common amongst young children, but is often mild and unnoticed since it can be outgrown.
Treatment - Hyperopia can be treated with prescription glasses/contacts and LASIK surgery.
Visual example of how light focuses in an eye with hyperopia vs without.
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