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Units used to apply localized heat and pressure therapy to patients\' lower or upper eyelids. These devices are designed to warm the eyelid tissue to a target range of 40 to 42 degrees C to melt the meibum blocking the Meibomian gland orifices and then apply compression to the eyelid to express the melted meibum through the orifices. These devices usually consist of two components: a piece that is placed around the patient\'s eyelid and a control unit. The device typically includes pressure and temperature sensors, controls, integrated software, and a visual display unit. It may also include a magnifier to view the eyelid. These units are commonly used to treat Meibomian gland dysfunction.
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