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To the Editor. —A stool guaiac testing solution (Hemoccult) consisting of 5% hydrogen peroxide and 95% alcohol is packaged and labeled in an almost identical manner as the ocular topical anesthetic, Ophthaine (proparacaine hydrochloride). This note is to bring this fact to the attention of the ophthalmic community.
Report of a Case.
—During a routine ophthalmic examination of a 35-year-old woman, 1 drop of Hemoccult was placed in both inferior conjunctival cul-de-sacs in preparation for placement of mydriatics for funduscopic examination. Immediate blepharospasm, copious tearing, and expression of more than the usual stinging occurred. The examiner had verified the contents of the anesthetic bottle earlier, had placed the container separate from other containers, and was surprised to see at this point that the printing on the just-used container was now different. Investigation disclosed that a person who was determining stool guaiac tests that day with Hemoccult had come to the
Gudas PP. Ophthaine Drug Alert. Arch Ophthalmol. 1979;97(11):2211-2212. doi:10.1001/archopht.1979.01020020517024