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  2. Ocular hypertension - Wikipedia

    en.wikipedia.org/wiki/Ocular_hypertension

    It is estimated that approximately 2-3% of people aged 52-89 years old have ocular hypertension of 25 mmHg and higher, and 3.5% of people 49 years and older have ocular hypertension of 21 mmHg and higher. [4] [5] Elevated intraocular pressure is an important risk factor and symptom of glaucoma. Accordingly, most individuals with consistently ...

  3. Glaucoma - Wikipedia

    en.wikipedia.org/wiki/Glaucoma

    Ocular hypertension (increased pressure within the eye) is an important risk factor for glaucoma, but only about 10-70% of people - depending on ethnic group - with primary open-angle glaucoma actually have elevated ocular pressure. [24]

  4. Intraocular pressure - Wikipedia

    en.wikipedia.org/wiki/Intraocular_pressure

    Intraocular pressure laws follow fundamentally from physics. Any kinds of intraocular surgery should be done by considering the intraocular pressure fluctuation. Sudden increase of intraocular pressure can lead to intraocular micro barotrauma and cause ischemic effects and mechanical stress to retinal nerve fiber layer. Sudden intraocular ...

  5. Visual impairment - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment

    Glaucoma is an eye disease often characterized by increased pressure within the eye or intraocular pressure (IOP). [61] Glaucoma causes visual field loss as well as severs the optic nerve. [62] Early diagnosis and treatment of glaucoma in patients is imperative because glaucoma is triggered by non-specific levels of IOP. [62]

  6. Buphthalmos - Wikipedia

    en.wikipedia.org/wiki/Buphthalmos

    Infantile glaucoma, which often produces the clinical sign of buphthalmos, can be caused when an abnormally narrow angle between the cornea and iris blocks the outflow of aqueous humor; [4] this causes increased intraocular pressure and eventual enlargement of the globe (eyeball).

  7. Lens induced glaucomas - Wikipedia

    en.wikipedia.org/wiki/Lens_induced_glaucomas

    Phacolytic glaucoma is a type of secondary glaucoma caused by the leakage of lens material through the capsule of a mature cataract. The leaked lens material may obstruct the trabecular meshwork leading to decreased aqueous humor outflow and increased intraocular pressure. [1] [3]

  8. Primary congenital glaucoma - Wikipedia

    en.wikipedia.org/wiki/Primary_congenital_glaucoma

    Primary congenital glaucoma is a rare eye condition that is present at birth or develops early in childhood. It occurs due to improper drainage of the eye's fluids, which leads to increased pressure inside the eye, known as intraocular pressure. This elevated pressure can damage the optic nerve which will result in permanent vision loss.

  9. Pseudoexfoliation syndrome - Wikipedia

    en.wikipedia.org/wiki/Pseudoexfoliation_syndrome

    The blockage leads to greater-than-normal elevated intraocular pressure [2] which, in turn, can damage the optic nerve. [7] The eye produces a clear fluid called the aqueous humor which subsequently drains such that there is a constant level of safe pressure within the eye, but glaucoma can result if this normal outflow of fluid is blocked.

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