Cyclopentolate Hydrochloride

**Semantic type:** Pharmacologic Substance

**Definition:** The hydrochloride salt form of cyclopentolate, an anticholinergic drug. Administered in the eye, cyclopentolate hydrochloride blocks the acetylcholine receptor in the sphincter muscle of the iris and the ciliary muscle, thereby preventing contraction. This dilates the pupil, producing mydriasis, and prevents the eye from accommodating.

**Synonyms:** - CYCLOPENTOLATE HYDROCHLORIDE