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SLEEPING

 

Farsightedness (hyperopia) is a vision defect of vision, where the patient can clearly see objects that are far away, but has difficulty focusing on near objects.Hyperopia occurs when the cornea is too flat or the eye is too short. This causes the light wave to bend by the cornea as it makes its way through to land on the retina, therefore the images perceived focus behind the retina instead of directly on it. As an object moves toward the eye, the eye must increase its optical power to keep the image in focus on the retina. If the power of the cornea and lens is insufficient, as in hyperopia, the image will appear blurred. Hyperopia often arises at birth and is sometimes hereditary.

Degrees

Low hypermetropia: to + 3 diopters
Medium hypermetropia: 3.25 – 5 diopters
High hypermetropia: higher than 6 diopters

Causes

Hereditary factors play an important role. Hyperopia is caused by too little dimension of the eyeball and a decrease in the flexibility of the lens and the fact that it isn’t round enough.

Myopia and normal vision. Hyperopia is being farsighted. Illustration shows hyperopia corrected with a plus lens. Anatomy of the eye, cross section. Detailed illustration.

 

Symptoms

• difficulty focusing on close up objects,
• aching eyes when viewing objects in close proximity,
• squinting when looking at objects near by
• headaches
• crossed eyes (strabismus) in some children

It is important to diagnose the disorder as early as possible in order to chose an appropriate treatment optionso vision doesn’t deteriorate. Proper eyecare is important because it depends on the condition of our eyes. Maintaining good eye health will decrease the risk of defects. Don’t take your eyes for granted. Protect your sight and visit you eye doctor regularly in order to avoid eye health problems.

Treatment

Not treating hyperopia can lead to serious disorders of the eye muscle, or even result in strabismus. The defect can be corrected by:
• choosing the appropriate corrective glasses
• wearing contact lenses
• surgery

 

 

Farsightedness in adults can be corrected via several surgical and non-surgical options:

• Conductive Keratoplasty: a non-surgical method the where low-energy radio waves are used to re-shape the cornea. The waves shrink the connective tissue of the cornea that hold in place and cause it to be stretched back into shape.
• Laser eye surgery: A surgical procedure the where vision is corrected by removing a small part of the eye with a laser. By using a highly focused laser beam, a specialist cuts away a bit of eye tissue, flattening the cornea and correcting the focus.
• Intraocular lens transplant with clear lens extraction: A surgical procedure the where the eye’s natural lens is Replaced by an implant. The natural lens is removed, and a synthetic lens is put in its place. This allows most people to Achieve 20/40 vision or better over time.

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