Prevention of spectacle movement when operating
نویسندگان
چکیده
منابع مشابه
Prescribing of Spectacle Lenses.
SIRS,-The attention of the Council of British Ophthalmologists has been drawn to the difficulty which the Services and the Ministry of Health are experiencing in obtaining spectacle lenses to supply their urgent needs, and it has been suggested that the situation could be helped by a simplification of the prescriptions supplied by civilian ophthalmic surgeons. LThe Council has considered the qu...
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The measured values of the axial meridional powers for 311 spectacle lenses are reported. The spherical refractive powers range from + 7 . 0 0 to —20.00 diopters with cylindrical powers of 0.00, 1.00, and 2.00 diopters. The departures of the measured from the nominal values are shown. The probable errors of measurement are discussed. A set of tolerance values is suggested and the degree of comp...
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ژورنال
عنوان ژورنال: Annals of The Royal College of Surgeons of England
سال: 2003
ISSN: 1478-7083,0035-8843
DOI: 10.1308/003588403322520889