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Risk Factors for Narrow-Angle Glaucoma
Hyperopia, also known as hypermetropia or colloquially as farsightedness or longsightedness, is a defect of vision caused by an imperfection in the eye (often when the eyeball is too short or when the lens cannot become round enough), causing inability to focus on near objects, and in extreme cases causing a sufferer to be unable to focus on objects at any distance. As an object moves toward the eye, the eye must increase its power to keep the image in focus on the retina. If the power of the cornea and lens is insufficient, as in hyperopia, the image will appear blurred.
Treatment of Narrow-Angle Glaucoma
A clear liquid called aqueous humor circulates inside the front portion of the eye. In open-angle glaucoma, this liquid does not flow efficiently through the eye’s sponge-like drainage system (known as the trabecular meshwork). When this liquid fails to drain properly, pressure builds within the eye.
The medical term for this pressure is intraocular pressure. Such pressure inside the eye may damage the optic nerve and lead to vision loss. Glaucoma filtration surgery is one procedure that may help lower intraocular pressure.