A SIMPLE PHOTOKERATOSCOPE.SIVAK JG.1977; AMER. J. OPTOM. PHYSIOL. OPT.; U.S.A.; DA. 1977; VOL. 54; NO 4; PP. 241-243; BIBL. 7 REF.Article

PHOTOKERATOSCOPY IN THE FITTING OF SOFT CONTACT LENSES = PHOTOKERATOSCOPIE POUR L'ADAPTATION DES LENTILLES MOLLESFELDMAN GL.1975; ANN. OPHTALMOL.; U.S.A.; DA. 1975; VOL. 7; NO 4; PP. 517-529 (11P.); BIBL. 14 REF.Article

A comparison of two semi-quantitative surgical keratometers: the modified Hyde ruler and the Barrett keratoscope with astigmatic dial'MORLET, N; LINDSAY, P; COOKE, P et al.Ophthalmic surgery. 1994, Vol 25, Num 3, pp 144-149, issn 0022-023XArticle

Clinical utility of the Barrett keratoscope with astigmatic dialMORLET, N.Ophthalmic surgery. 1994, Vol 25, Num 3, pp 150-153, issn 0022-023XArticle