The shape and slope of the facet surfaces are obtained by processing five binary images by means of a completely digital method of which a detailed description is given. In the experimental arrangement used to prepare the present paper, the slope accuracy is about 0.2 mrad. With respect to the most common instruments based on the Fringe reflection…[Read more]

Measures of precision were reported for 63% of effect measures (541/852). CONCLUSION Many aspects of the design, methods, analysis and reporting of ITS studies can be improved, particularly description of the statistical methods, and approaches to adjust for and estimate autocorrelation. More guidance on the conduct and reporting of ITS studies is…[Read more]