to facilitate a comprehensive whole population visual acuity screening, a 1-meter vision screener “e” chart was prepared to be used in the person-by-person household visual acuity examination by non-expert health workers. the chart is designed to be used in measuring visual acuity from a distance of one meter. the scaling is in terms of-log mar (logarithm of minimum angle of resolution) with a ...

1 Fig. 1. Fully distributed 3-way videoconferencing that preserves the relative seating geometry as a face-to-face meeting. Such an arrangement will guarantee that the gaze between meeting participants will be faithfully maintained.

While much depends on the definition of term and extent to which that accommodates variability, number currently known Roman amphitheaters can be put between 260 280. By both rough calculation assuming a typical capacity 11,000 by taking account prior scholarship when possible use individual capacities for each structure, total estimated seating all is approximately three million. That large in...

Seating location in the classroom can affect student engagement, attention and academic performance by providing better visibility, improved movement, participation discussions. Existing studies typically explore how traditional seating arrangements (e.g. grouped tables or rows) influence students' perceived without considering group behaviours under more flexible arrangements. Furthermore, sur...

growth chart is the best measure for weight monitoring of children. most factors that affect child heath show their effect on child weight. this cross sectional and descriptive analytical study was achieved to estimate malnutrition prevalence and effective factors in children under 5 years old in rural area of khoramabad province. 555 girls and 570 boys were chosen from health houses by cluster...