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Hypermetropia

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Hypermetropia

Hypermetropia is the difficulty in seeing near objects than distant objects. It is also known as farsightedness or hyperopia. Suffering from hypermetropia makes the close objects so blurry that one can't do tasks such as reading or sewing.

Causes

Hypermetropia is caused due to visual image getting focused behind the retina rather than on it. It may be caused because of the eyeball being too small or the focusing power being too weak. Hypermetropia is often present from birth but children have a very flexible eye lens which helps in making up for the problem. The condition is developed in most children. As time passes, glasses or contact lenses may be required in correcting the vision. If the family has members who have hypermetropia, one is also more likely to get hypermetropia.

Symptoms

The symptoms of hypermetropia are

  • Aching of the eyes

  • Blurred vision of closed objects

  • Strabismus (crossed eyes) in children or squint

  • Straining of the eyes

  • Headache while reading

Diagnosis

A general examination of the eye to diagnosis hypermetropia may include

  • Eye movement testing

  • Glaucoma testing

  • Refraction test

  • Examination of retina

  • Slit-lamp examination

  • Visual acuity

Treatment

Hypermetropia is not a disease and is otherwise normal and healthy. Hypermetropia is easily corrected with the help of glasses or contact lenses. Surgical procedures are also there for correcting hypermetropia and can be used for those who do not wish to wear glasses or contact lenses. Procedures to correct hypermetropia include H-LASIK, photorefractive keratectomy for hyperopia (H-PRK), thermal keratoplasty, and conductive keratoplasty (CK). Hypermetropia can also be corrected by intraocular implants. People who have a history of glaucoma, keratonocus, inflammatory eye diseases, herpes simplex keratitis or past eye injuries or surgeries should avoid laser surgery to correct hypermetropia. Rue can be prescribed for eye-strain. A homeopathic practitioner should be consulted for a proper suggestion. Vitamin A and C, magnesium, zinc and selenium can help in strengthening the retina and improving vision. Flavonoids present in bilberry and eyebright improves visual clarity.

Complications

Hypermetropia can be a risk factor for glaucoma and lazy eyes.

Prevention

Hypermetropia can't be prevented. Straining of the eyes may be prevented by resting the eyes when they are overworked, blinking often and periodically changing the eyes' focus while driving or doing close work for prolonged time period.

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