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What is Hyperopia?

Updated: Sep 3, 2021

#Hyperopia is a refractive defect in which the eye does not effectively bend or refract light to a single focus in order to view images clearly. Hyperopia causes distant items to appear distinct, while close objects to appear blurry. Often known as farsightedness, is a common vision issue in which people can see distant objects clearly but struggle to focus on objects up close. Instead of hyperopia, the disorder is sometimes referred to as "hypermetropia."

Hyperopia occurs when the eye is shorter than normal or has a cornea (clear front window of the eye) that is too flat. As a result, instead of focusing on the retina, light rays focus beyond it.

Hyperopia has, in many cases, a hereditary component, so it occurs more often in people with a history of hyperopia in their family. Nevertheless, other factors can also play a role. Most newborns are hyperopia, a condition that improves as the eye develops, eventually disappearing in their teens.

Even yet, if infantile hyperopia is not fully resolved during this time, it can lead to other visual problems such as lazy eye or strabismus. Young people normally adjust for hyperopia by adapting the ocular muscles, but as they get older, this capacity fades, and the hyperopia that they had in childhood but had faded in adolescence reappears, necessitating the use of optical correction.

Symptoms of Hyperopia

1) Blurred vision of close objects is the most common symptom, though it can often go unrecognised or be attenuated in children or teenagers due to their eyes' ability to adjust.

2) Eye pain or fatigue: these symptoms usually emerge after a lengthy period of doing activities that demand good close eyesight, such as reading, computer work, etc.

3) Headache: especially after a long period of adjusting, e.g. excessive close-up work.

4) Redness in the eyes, especially at the end of the day. Tearing, stinging, and excessive blinking are all possible symptoms.

5) Exotropia (eye deviation outwards) can sometimes appear as an unintentional reaction to the accommodation the eyes make to concentrate correctly.

Treatments for Hyperopia

1) Glasses and contact lens

They adjust for the shape of your eye by focussing light rays on the retina. They can also shield your eyes from dangerous ultraviolet (UV) light. There is a special UV-blocking lens coating available. With farsightedness, your prescription is a positive number, such as +3.00. The higher the number, the stronger the lenses. For stronger prescriptions, go for aspheric high-index lenses. These lenses are more attractive because they are thinner, lighter, and have a sleeker profile.

2) Surgery

• Laser refractive surgery: indicated for persons who don't want to wear glasses and meet a set of criteria. LASIK is a procedure that can be used to address hyperopia.

• Intraocular lens implant: an intraocular lens implant is an alternative for people who have extreme hyperopia or do not meet the criteria for laser surgery. Phakic lenses (ICL) are lenses that are put between the cornea and the crystalline lens and are reserved for juvenile hyperopes, whereas pseudo-phakic lenses are lenses that replace the crystalline lens and are used in older patients who also have presbyopia (eyestrain).

Hyperopia can be corrected by laser refractive surgery (LASIK) or by an intraocular lens implantation. Both options are a quick and effective solution, which also allows for the simultaneous correction not only of hyperopia but also of other refractive defects, such as astigmatism and presbyopia (eyestrain).

Hyperopia cannot be prevented, but it is recommended to treat it as soon as possible to avoid its consequences and to control possible related problems.

As you get older, it’s natural for your eyes to shift. Farsighted adults over the age 40 frequently require reading glasses early in life. You may eventually require glasses or contacts to improve your distance vision.

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