The PARK 1 ® combines a non-contact pachymeter, auto-refractometer and keratometer in one unit. In addition to the objective refraction, the keratometer values and the pachymetry can be determined ...

Here's what happens as the direct rays of the sun slip south of the equator as the seasons change. When is the first day of fall in 2025? A carefully worded answer is that on Monday, Sept. 22, at 2:19 ...

Christina Majaski writes and edits finance, credit cards, and travel content. She has 14+ years of experience with print and digital publications. Robert Kelly is managing director of XTS Energy LLC, ...

The HandyRef-K / HandyRef is lightweight and also has excellent weight distribution. Its compact design makes it easy to hold, balance, and use. Intelligently designed button layout is also useful in ...

Abstract: In traditional education, there is not much difference between assessment tasks designed for learners. However, learners’ learning performance may vary due to a number of factors, e.g., ...

Trust is a crucial factor that influences human-automation interaction in surface transportation. Previous research indicates that participants tend to display higher levels of subjective trust toward ...