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Farsightedness or Hyperopia
Roughly 25% of the population is affected by this refractive error, characterized by difficulty focusing on objects that are up close. In a normal visual system, light passes through the cornea and lens and comes into focus at the retina; in a Hyperopic eye, light comes into focus behind the retina. This occurs for one of two reasons: either the patient's ocular axis is too short, or the corneal focusing power is too weak.