Farsightedness

"It is advisable to go to the ophthalmological examinations from the age of 3 and a half for the early detection of any visual alteration still latent, if you have a family history or before, if there are any symptoms".

DR. JESÚS BARRIO BARRIO
SPECIALIST. OPHTHALMOLOGY DEPARTMENT

In farsightedness, luminous rays gather behind the retina, and in the latter also a circle of unfocused diffusion is formed. Images are focused behind the retina, so that nearby objects are perceived less clearly.

Farsightedness has an accommodative component that is greater in children. To determine a patient's total farsightedness and the one that will be needed in its correction, we must instill eye drops that paralyze the accommodation (tropicamide, cyclopentolate or atropine) to obtain an exact measurement.

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What are the symptoms of farsightedness?

It may be asymptomatic if the defect is mild and the subject is young, with great capacity for accommodation.

If the accommodation is insufficient, both in the young subject with strong hypermetropia and in the older subject with low accommodation capacity, blurred vision appears, especially at close range, but also at a distance.

Symptoms of eye fatigue or accommodative asthenopia are also frequent (tiredness, pain, eye irritability, tearing...).

An accommodative convergent strabismus can also occur in children with a poor relationship between accommodation and convergence, who in an attempt to improve visual acuity by forcing accommodation, even at the cost of binocular vision loss, use only one eye, the dominant one. If this is not adequately treated, amblyopia (lazy eye) of the deviant eye occurs.

The most common symptoms are:

  • Blurred vision.
  • Eye fatigue.
  • Eye irritability.
  • Tearing.
  • Headaches.

Do you have any of these symptoms?

You may be farsighted

What are the causes of farsightedness?

Axial hyperopia: due to shortening of the anteroposterior axis of the eye. Each millimeter of shortening is equivalent to approximately 3 D, being rare hypermetropia greater than 6 D, except in pathological situations, such as microphthalmia, in which it can exceed 20 D.

Since the anteroposterior axis of the eye lengthens with growth, a hypermetropia of 2 to 3 D can be considered physiological in the child. A pathological shortening of the globe may also occur due to an orbital or choroidal tumor compressing the posterior pole, or due to macular edema.

Curvature hyperopia: due to flattening of the congenital or acquired cornea (due to trauma or corneal disease).

Index hypermetropia: due to a decrease in the convergence power of the crystalline lens, which occurs in the adult physiologically (facultative and latent hypermetropia appears) and in diabetics.

Hyperopia due to the absence of the crystalline lens (aphakia) or due to its subsequent dislocation: in both situations there is a pronounced hyperopia.

How is farsightedness treated?

Correction through optical devices is mainly done through glasses with convex or positive lenses, since contact lenses are generally poorly tolerated. In any case, correction is only necessary if there are clinical manifestations attributable to the refractive defect.

Hyperopia can also be corrected with Excímer laser.

Where do we treat it?

IN NAVARRE AND MADRID

The Department of Ophthalmology
of the Clínica Universidad de Navarra

Equipped with the latest technology, the Department of Ophthalmology has the necessary equipment, both technical and human, to offer comprehensive and specific assistance to each patient.

We are one of the few centers that have a microsurgery laboratory for the improvement of clinical practice.

Organized in specialized units

  • Cornea and eye surface
  • Retina
  • General Ophthalmology
  • Refraction defects
  • Oculoplastic
  • Pediatric ophthalmology
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Why at the Clinica?

  • More than 25 years of experience.
  • Experts in the diagnosis and treatment of ocular pathologies.
  • With the security and guarantee of a prestigious hospital.

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