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Upofu unaosababishwa na PRESHA YA MACHO.

Discussion in 'JF Doctor' started by Bujibuji, Dec 2, 2011.

  1. Bujibuji

    Bujibuji JF-Expert Member

    Dec 2, 2011
    Joined: Feb 4, 2009
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    kadiri siku zinavyo enda mbele ndivyo magonjwa yanavyo ongezeka.
    Mtaani kwenu kuna kijana mmoja amepofuka macho, eti alikumbwa na presha ya macho.
    Ndugu waungwana naomba mnijulishe, presha ya macho inasababishwa na nini? Na kwa njia gani twaweza kujikinga nayo?
  2. Jeji

    Jeji JF-Expert Member

    Dec 2, 2011
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    duh!!! presha ya macho??
    wataalam njooni basi.
  3. Willy

    Willy Member

    Dec 2, 2011
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    Ili kuweka sayansi sawa nammabtanisha maelezo kwa kiiengereza. Ugonjwa huo inaitwa Glaucoma. Soma hapo chini
    Glaucoma is an eye disorder in which the optic nerve suffers damage, permanently damaging vision in the affected eye(s) and progressing to complete blindness if untreated. It is often, but not always, associated with increased pressure of the fluid in the eye (aqueous humour).[1] The term 'ocular hypertension' is used for cases having constantly raised intraocular pressure (IOP) without any associated optic nerve damage. Conversely, the term 'normal' or 'low tension glaucoma' is suggested for the typical visual field defects when associated with a normal or low IOP.

    The nerve damage involves loss of retinal ganglion cells in a characteristic pattern. There are many different subtypes of glaucoma, but they can all be considered a type of optic neuropathy. Raised intraocular pressure is a significant risk factor for developing glaucoma (above 21 mmHg or 2.8 kPa). One person may develop nerve damage at a relatively low pressure, while another person may have high eye pressure for years and yet never develop damage. Untreated glaucoma leads to permanent damage of the optic nerve and resultant visual field loss, which can progress to blindness.

    Glaucoma can be divided roughly into two main categories, "open angle" and "closed angle" glaucoma. Closed angle glaucoma can appear suddenly and is often painful; visual loss can progress quickly, but the discomfort often leads patients to seek medical attention before permanent damage occurs. Open angle, chronic glaucoma tends to progress at a slower rate and patients may not notice they have lost vision until the disease has progressed significantly.

    Glaucoma has been nicknamed the "silent thief of sight" because the loss of vision normally occurs gradually over a long period of time, and is often recognized only when the disease is quite advanced. Once lost, this damaged visual field cannot be recovered. Worldwide, it is the second leading cause of blindness after cataracts.[2] It is also the leading cause of blindness among African Americans.[3] Glaucoma affects one in 200 people aged fifty and younger, and one in 10 over the age of eighty. If the condition is detected early enough, it is possible to arrest the development or slow the progression with medical and surgical means.
  4. Manumbu

    Manumbu JF-Expert Member

    Dec 6, 2011
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  5. Nazjaz

    Nazjaz JF-Expert Member

    Dec 6, 2011
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    dunia imeisha, presha imeingia hadi machoni?
  6. MadameX

    MadameX JF-Expert Member

    Dec 12, 2011
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    Jamani hata kisukari inasababisaha upofu