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February 1981

Recent Advances on the Lacrimal System

Arch Ophthalmol. 1981;99(2):347. doi:10.1001/archopht.1981.03930010349030

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This work is a collection of papers presented at the Third International Lacrimal Symposium at the 23rd International Congress of Ophthalmology conducted at Kyoto, Japan, in 1978. Authors from many countries presented various diagnostic and surgical approaches to lacrimal problems. The majority of the papers contain information available in current texts on the diagnosis and management of lacrimal problems. Several papers report interesting new research in this field. One paper, "Sympathetic Innervation and Its Physiological Function in Rabbit Lacrimal Gland," shows the rabbit lacrimal gland is controlled by dual innervation (acetylcholine and catecholamines). This work confirms that the lacrimal gland is under both parasympathetic and sympathetic control.

Another interesting paper, "Spontaneous Opening Rate of Congenitally Blocked Nasolacrimal Ducts," emphasizes that a large number of nasolacrimal ducts are closed at the time of birth and open spontaneously during the first few weeks of life.

A number of papers in this

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