Methods and apparatuses for treatment of meibomian gland dysfunction
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United States of America Patent
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Mar 23, 2021
Grant Date -
Mar 16, 2017
app pub date -
Nov 23, 2016
filing date -
May 15, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus and methods for treating dry eye include an energy source configured to apply energy to an obstruction located in a meibomian gland of a patient's eyelid. The apparatus also comprises an insulator configured to be positioned between a rear portion of the patient's eyelid and a surface of the patient's eyeball. An inner surface of the insulator has a curvature greater than that of the patient's eyeball such that an air pocket is formed between the inner surface of the insulator and the patient's eyeball, wherein the air pocket provides additional insulation to reduce or eliminate an amount of heat due to the applied energy from the energy source from being conducted to the surface of the patient's eyeball, such that the applied energy does not cause the temperature to reach a temperature sufficient to cause damage to a corneal or scleral portion of the patient's eyeball.
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