Myopia, Hypermetropia and Presbyopia – Visual Impairment

Before you learn about visual impairment means myopia, hypermetropia and presbyopia, You should learn about the eye organ. The Eye means our vision, which is one of the essential parts of our body. We can’t imagine this world without eyes. As we know, there are many organs in our body as well as many diseases that exist in them. Similarly, also happens in the eyes. There are many diseases of the eyes. The most common disease of the eye is visual impairment means Myopia, Hypermetropia and Presbyopia.

Myopia, Hypermetropia and Presbyopia

Let us know about myopia, hypermetropia and presbyopia mean the defects related to eyesight (myopia, hypermetropia and presbyopia). Visual impairment is a disease related to an eye that includes various defects of vision of the eye. There are 3 parts of the vision defects on the basis of disturbance of the retina. The 3 parts of vision defects or visual impairment are as follow.

  1. Myopia or Near-sightedness
  2. Hypermetropia or Far-sightedness
  3. Presbyopia

What is myopia?

Myopia – When the near object is clearly visible from the eye whereas the distant object is not clearly visible. Such vision defect of the eye is called myopia. Do you know, when myopia occurs? myopia occurs after 40 years of age but In the last few years, it has been seen that myopia has started happening to people under 40 years. This is also often the case in cataracts or glaucoma disease. People get work by wearing glasses in this case also like farsightedness.

myopia hypermetropia and presbyopia
myopia hypermetropia and presbyopia

Causes of Myopia

Causes of Myopia – In this defect, the image of the object is formed in front of the retina of the eye but in order to see clearly the image of the object must be formed on the retina of the eye. Because of myopia, it becomes a defect. The reason for such a phenomenon occurring inside the eye is the enlargement of the eyeball, lens or cornea.

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Symptoms of Myopia

The symptoms of nearsightedness are following –

  • Doesn’t seeing distant objects well
  • See near object clearly

Remedy of Prevention of nearsightedness

Read now about other diseases of the eye in English – Other Eye Diseases in English in brief.

Remedy of Prevention of nearsightedness are following –

  • Do not work continuously with the eyes.
  • Give rest for an hour for a while.
  • Wash your eyes with clean water two to three times a day.
  • Be sure to do eye exercises.
  • Eat a nutritious diet or take a multivitamin and mineral tablet daily.

What is Hypermetropia?

Hypermetropia – When the distant object is clearly visible from the eye whereas the near object is not clearly visible. Such vision defect of the eye is called Hypermetropia. Do you know, when Hypermetropia occurs? Hypermetropia occurs after 40 years of age but In the last few years, it has been seen that Hypermetropia has started happening to people under 40 years. This disease usually occurs in 90% of people after 40 years. This is also often the case in cataracts or glaucoma disease. In this, people are not able to read small letters, for which they need glasses. People get work by wearing glasses in this case also like myopia.

Causes of farsightedness

Causes of farsightedness – The main reason for this is the shortening of the eyeball of the eye. Due to the shortening of the eyeball of the eye, the image of the object is formed behind the retina of the eye, due to which it is not visible clearly. In order to be clearly visible to the eye, the image of the object must be formed on the retina of the eye.

myopia hypermetropia and presbyopia
myopia hypermetropia and presbyopia

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Symptoms of Hypermetropia

  • To see distant objects well.
  • The nearby object is not visible.
  • Headache and eye pain from reading

Remedy of Prevention of farsightedness

  • Do not work continuously with the eyes.
  • Give rest for an hour for a while.
  • Wash your eyes with clean water two to three times a day.
  • Be sure to do eye exercises.
  • Eat a nutritious diet or take a multivitamin and mineral tablet daily.

What is Presbyopia?

What is presbyopia – the word presbyopia means – old eyes. In old age, it becomes difficult to read books, newspapers etc. This is called shortsightedness.

Causes of Presbyopia

Causes of shortsightedness – the ciliary muscles become weak in old age. Simultaneously the lens gets bigger. Due to this, the ciliary muscles are not able to rapidly adjust the rays of light going from the object, so that the image of the object is not formed on the retina. In this, the object is not clearly visible.

Symptoms of Presbyopia

  • In the beginning, while reading the printed book etc., the person makes it very close to the eye.
  • After reading, sometimes a person is unable to see distant objects for some time. This is because the adjustment ability of the eye needs rest.
  • In the evening, when tired or in low light, the person has difficulty in reading.
  • Nearsightedness, farsightedness and those who have astigmatism, there may be slight visual impairment means myopia, hypermetropia and presbyopia in all these three conditions.
  • In this, the ability to see is restored with the lens.
  • Reading glasses are fitted for poor near vision.
  • Distance vision glasses are installed for weak distant vision.
  • Bifocal glasses are fitted when both far and near vision are weak.
  • In this, the upper part of the mirror is used to keep farsighted and the lower part is used to keep the near vision right.
  • With increasing age, minor vision impairment also increases till the age of 65 years. After 65 years of age, the visual impairment means myopia, hypermetropia and presbyopia stops.

Remedy of Prevention of shortsightedness

  • Do not work continuously with the eyes.
  • Give rest for an hour for a while.
  • Wash your eyes with clean water two to three times a day.
  • Be sure to do eye exercises.
  • Eat a nutritious diet or take a multivitamin and mineral tablet daily.

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