Glaucoma ya Sekondari ni nini?
Hebu jaribu kuelewa hili vizuri zaidi. Sehemu ya mbele ya jicho, kati ya konea na lenzi, imejaa umajimaji unaoitwa ucheshi wa maji. Kioevu hiki hutolewa mara kwa mara na huzalishwa na kudumisha usawa wa mara kwa mara. Ucheshi wa maji mara kwa mara hutoka kupitia meshwork ya trabecular au outflow ya uveoscleral. Kuziba katika mojawapo ya hizi kunaweza kusababisha shinikizo la macho kuongezeka, ambalo huharibu neva ya macho inaweza kuainishwa kama glakoma ya pili. Sawa na glakoma ya msingi, glakoma ya sekondari inaweza kuathiri jicho moja au yote mawili.
Kulingana na njia iliyozuiwa, glakoma ya pili inaweza kuainishwa katika glakoma ya pili ya pembe-wazi au glakoma ya pili ya kufunga-pembe. Hapo awali, meshwork ya trabecular inapinga kioevu kutoka kwa mtiririko kwa uhuru ambapo, mwishowe, njia zote mbili huzuiwa, hasa husababishwa na iris iliyoharibika inayoziba njia. Zote hizi mbili husababishwa na pembe ya iris iliyo na konea, kulingana na hii mojawapo ya njia zinaweza kuzuiwa.
Symptoms of Secondary Glaucoma
- Patchy blind spots in your peripheral vision
- Maumivu makali ya kichwa
- Maumivu machoni
- Kichefuchefu na kutapika
- Visible halos around lights
- Redness of the eyes
Once these symptoms appear, immediate action should be taken as secondary glaucoma causes blindness if left untreated. Now that we know what secondary glaucoma is, let’s look into what causes secondary glaucoma to appear in the first place.
Secondary Glaucoma Causes
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Usage of steroids
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Ugonjwa wa kisukari
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Eye injury – trauma or blow to the eye
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Eye inflammation
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Advanced stages of mtoto wa jicho
Prevention of Secondary Glaucoma
The best way to prevent secondary glaucoma is
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By taking regular eye exams and getting your eyes checked
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Maintain health by keeping the body active – regular exercise helps keep eye pressure in control
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Avoid blows to the eyes by wearing protective eye gear during extreme sports
Multiple types of Secondary Glaucoma such as
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Exfoliative Glaucoma – caused by flakes of the outer layer of the eye which can clog the drainage system.
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Neovascular Glaucoma – caused by abnormal growth of blood vessels in the eye, often associated with kisukari
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Glaucoma ya rangi – caused by the breaking away of pigments of the iris which break into the clear liquid of the eye.
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Traumatic Glaucoma – caused due to eye injury
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Uveitic Glaucoma – caused by the swelling of the uvea
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Glaucoma ya kuzaliwa
Diagnosis of secondary glaucoma
The diagnosis of secondary glaucoma generally includes a simple procedure which begins with a dilution of the eyes post which the optometrist will check your optic nerve for signs of glaucoma and most often takes pictures to compare during your next visit.
Other tests for secondary glaucoma include,
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Tonometry – a test to check the pressure of the eye
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Mtihani wa uwanja wa kuona – a test to check your peripheral vision
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Mtihani wa acuity ya kuona – to check vision at various distances
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Gonioscopy – an instrument based test to check the front part of the eye
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Ophthalmoscopy – a test to check the interior of the eye using a special instrument
Treatment of secondary glaucoma
Secondary glaucoma treatment often includes attempting to bring the eye pressure down through multiple methods. Quite often the underlying issues are also targeted to reduce their impact on the eyes. But the most common treatment options for secondary glaucoma include
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Matone ya Macho
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Oral Medication
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Laser
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Upasuaji
Each of these methods is used to ensure that the eye pressure comes down until the underlying issues such as diabetes or injuries to the eye are dealt with.
While the symptoms of secondary glaucoma appear much later, it is better to take the precaution by taking regular eye exams. Eye care specialists at Dr. Agarwal’s Eye Hospital provide the best care and complete diagnosis for Matibabu ya Glaucoma na nyinginezo Eye treatment.
Frequently Asked Questions (FAQs) about Secondary Glaucoma
What is secondary glaucoma, and how does it differ from primary glaucoma?
Secondary glaucoma is a condition characterised by increased intraocular pressure (IOP) due to identifiable underlying causes, whereas primary glaucoma occurs without any identifiable cause. In secondary glaucoma, the elevated pressure within the eye is a result of a pre-existing condition or a complication of another eye disease, distinguishing it from primary glaucoma.
What are the common causes of secondary glaucoma?
Common causes of secondary glaucoma include eye trauma, certain medications such as corticosteroids, uveitis (inflammation of the middle layer of the eye), neovascularization (abnormal formation of new blood vessels), and conditions like pigment dispersion syndrome or pseudoexfoliation syndrome.
What are the symptoms of secondary glaucoma, and how is it diagnosed?
Symptoms of secondary glaucoma may include blurred vision, severe eye pain, headache, nausea, vomiting, and halos around lights. Diagnosis typically involves a comprehensive eye examination, measurement of intraocular pressure, examination of the optic nerve, and imaging tests such as optical coherence tomography (OCT) or visual field testing.
How is secondary glaucoma treated, and what are the available options?
Treatment for secondary glaucoma depends on the underlying cause and severity of the condition. It may include medications such as eye drops to lower intraocular pressure, laser therapy (laser trabeculoplasty) to improve drainage of aqueous humor, conventional surgery (trabeculectomy) to create a new drainage channel, or minimally invasive procedures like trabecular micro-bypass stents. The choice of treatment is determined by the ophthalmologist after careful evaluation of the individual case. Regular follow-up appointments are crucial to monitor the condition and adjust treatment as needed.
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