| 摘要 |
The specification discloses apparatus for changing the radius of curvature of a cornea, which includes a needle (34) for being inserted into the periphery (14) of the cornea (10). A device (36, 38, 40) heats the needle (34) to a temperature sufficient to degrade a plurality of elongated regions (12) of the corneal stroma, such that the limbus of the cornea is constricted to change the radius of curvature of the cornea.
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