| 摘要 |
A device for dilating a pupil and/or maintaining a pupil in a dilated state. The device includes a generally arcuate body having first and second ends. The outer peripheral edge of the body has an engaging formation adapted to engage the inner peripheral edge of an iris to retain the pupil in an expanded state, and at least one positioning arm extending generally outwardly from one of the ends of the body so as to remain external to the eye.
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