Hardcover. Condizione: Very Good +. No Jacket. English Translation. Translated from the Russian. Presents an historical survey of the problems of xerotic diseases of the eyes, a general account of cicatricial xerosis, the treatment of cicatricial xerosis by replacement of the deficient tears with saliva, and measures to improve the results of replacement of the deficient tears with saliva and optic operations on the eye when moistened with saliva. Illustrated. Bibliography. Book.