Hypermetropia: Causes, Symptoms, Daignosis, Prevention and Treatment - PowerPoint PPT Presentation

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Hypermetropia: Causes, Symptoms, Daignosis, Prevention and Treatment

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Hypermetropia is an eye problem that causes blurry vision when focusing on nearby places and objects, but clear vision is there when focusing at a greater distance. – PowerPoint PPT presentation

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Title: Hypermetropia: Causes, Symptoms, Daignosis, Prevention and Treatment


1
Hypermetropia
2
Hypermetropia
  • Hypermetropia is an eye problem that causes
    blurry vision when focusing on nearby places and
    objects, but clear vision is there when focusing
    at a greater distance. The condition is caused by
    an eye that is shorter than normal, or a cornea
    that's not as curved as it should be.Eyes that
    are little misshapen won't be able to focus light
    accurately onto the retina, which results in
    blurred vision. There are several kinds of
    irregular shapes than an eye can take, each
    moving the focal point of the light away from the
    retina, resulting in a different form of vision
    impairment.

3
Hypermetropia
Continue
  • When the shape of an eye aims light in front of
    the retina, the resulting condition is called
    myopia, or nearsightedness. A focal point behind
    the retina is called hyperopia.
  • Corrective lenses are available for both
    conditions, and are designed to move the focal
    point to the surface of the retina, restoring
    clear and focused eyesight.

4
The causes of hypermetropia
  • Somehow hypermetropia is hereditary, but can
    develop in anyone. It is possible to experience
    symptoms even during childhood, but is much more
    common later in life.In fact, anyone above the
    age of 40 has a much greater chance of having
    symptoms of hyperopia, with the likelihood
    growing every year.Aging does not necessarily
    cause the eyes to change shape any more, but it
    does diminish the eyes ability to flex enough to
    accommodate for the refractive error.
    Additionally, some forms of hyperopia can be
    caused by injury, drugs, or disease.

5
The causes of hypermetropia
Continue
  • It's common for farsightedness to be confused
    with presbyopia. Both of the conditions have
    similar results - difficulty focussing on objects
    that are near - but they have different causes.

6
What are the Symptoms of Hypermetropia?
  • Everything may seem clear and in focus when
    viewing at a distance more than a few meters
    away, but any closer than that and things may
    start to get blurry. The closer they get, the
    less focused they become.As it becomes more
    difficult to read and write, squinting will cause
    eye strain and fatigue, leading to headaches. 

7
How is Hypermetropia Detected and Treated?
  • Farsightedness is not usually diagnosed in basic
    eye-screenings because those tests only measure
    the ability to see objects in the distance.If
    an individual is found to be farsighted, a more
    comprehensive optometrist examination should be
    carried out to diagnose the condition.Corrective
    eyeglasses, contact lenses, and even surgery can
    all help to restore clear and focused
    eyesight.Each has their own advantages and
    disadvantages, though, and lifestyle, work
    environment, and personal preference all play a
    role in deciding which is best. You should
    discuss with your eye care professional which one
    is right for you.

8
How is Hypermetropia Detected and Treated?
Continue
  • Eyeglasses are inexpensive and effective, but not
    always convenient. If you have an active
    lifestyle, or play sports, it may be difficult to
    keep them firmly in place. They come in many
    different shapes and sizes, and can be quite
    fashionable. Tinted lenses are also available,
    allowing you to stay protected from bright
    sunlight and damaging UV rays.
  • Contact Lenses are much more subtle, providing no
    change in your personal appearance at all.
    They're designed to be worn all day long, and
    removed at night. Several types of lenses can be
    worn for varying lengths of time. With proper
    hygiene and some practice, contact lenses are one
    of the more versatile options for people looking
    for corrective eye wear.

9
How is Hypermetropia Detected and Treated?
Continue
  • Surgery is also an option - LASIK and PRK are the
    two examples of surgical methods that reshape the
    surface of the eye, allowing it to refract light
    accurately without any need for corrective
    lenses. This is a more expensive method of fixing
    the problem, but it's also more permanent. The
    recovery time is usually only a few days, but
    only one eye is corrected at a time, so multiple
    visits will be required.
  • For mild cases of hypermetropia, you may only
    need to wear your corrective lenses when doing
    tasks at close range - such as reading or using a
    computer.Those who have more severe
    hypermetropia, or who suffer from other
    conditions like astigmatism, may need to wear
    their lenses more often.

10
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