Refraction of the eye,
Cowan, Alfred, 1884-
Refraction of the eye, by Alfred Cowan. - 2d ed., thoroughly rev., illustrated with 181 engravings and 3 colored plates. - Philadelphia, Lea & Febiger [1945] - 278 p. illus., diagrs. 25 cm.
Bibliography: p. 264-272.
sg 45000227
Eye--Accommodation and refraction.
Eye--Examination.
RE925 / .C82 1945
617.75
Refraction of the eye, by Alfred Cowan. - 2d ed., thoroughly rev., illustrated with 181 engravings and 3 colored plates. - Philadelphia, Lea & Febiger [1945] - 278 p. illus., diagrs. 25 cm.
Bibliography: p. 264-272.
sg 45000227
Eye--Accommodation and refraction.
Eye--Examination.
RE925 / .C82 1945
617.75