A chalazion is a lump on the eyelid that is usually caused by obstruction of the drainage duct of an oil gland within the upper or lower eyelid. Surgical removal of chalazion may become necessary if vision becomes obscured, or an astigmatism.
A chalazion is a lump on the eyelid that is usually caused by obstruction of the drainage duct of an oil gland within the upper or lower eyelid. Surgical removal of chalazion may become necessary if vision becomes obscured, or an astigmatism.
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