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Glaucoma is the eye disease that damage the patient eye nerve optics. The formation extra fluid up in the front part of the eye results the damage to eye nerve optics. Glaucoma is of two type, primary open-angle glaucoma and angle-closure glaucoma which is also referred as closed-angle glaucoma or narrow-angle glaucoma. Open-angle glaucoma is the most common type glaucoma. Primary glaucoma gradually happens when the eye does not drain the fluids. This result the building of pressure on eye nerve optics.

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