The Effect of Cycloplegia on the Determination of Refractive Error by the Ophthalmetron®
- 1 April 1979
- journal article
- research article
- Published by Wolters Kluwer Health in Optometry and Vision Science
- Vol. 56 (4) , 228-230
- https://doi.org/10.1097/00006324-197904000-00002
Abstract
The Ophthalmetron® was used to measure the refractive error of 10 male optometry students. Although there was a high incidence of invalid readings, more repeatable results were obtained with use of a cycloplegic. Measurements made under cycloplegia revealed 0.41 D more hyperopia but no differences in astigmatism as compared to the noncycloplegic refraction. Instrument myopia was shown not to be a factor.Keywords
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