Cycloplegia

Cycloplegia is the paralysis of the ciliary muscle, resulting in a loss of accommodation.

Cycloplegic drugs, including atropine, cyclopentolate, homatropine, scopolamine, and tropicamide, are indicated for use in cycloplegic refractionsand the treatment of uveitis.

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It uses material from the http://en.wikipedia.org/wiki/Cycloplegia Wikipedia article Cycloplegia.