2010). A search on PubMed using the keywords “2D:4D” or “2D4D” or “digit ratio” for years 2000–2023 yielded the above number of publications by year (search date: November 26, 2024). Following ...

Refraction, astigmatism, and axial length (AL) are linked with a revised long version of the Conners’ Parent Rating Scale (CPRS-R-L), a questionnaire designed to document and stage problematic ...

It is not only staggering to consider a single neuron receiving ~1 million inputs, but it highlights that the species’ dendritic length ratio (11:1) belies an input ratio around 30:1. Human PC ...

Myopia progression was −1.75 ± 0.24 D less for the HAL group compared with the ESVL group. Over five years, the mean axial length elongation was 0.67 ± 0.06 and 1.40 mm for the HAL and ESVL groups, ...

The return on assets ratio is calculated by dividing a company’s net income by its total assets. It’s expressed as a formula like this: Let's say that Sam and Milan both start hot dog stands.

This metric is usually expressed as a percentage of sales and is also known as the gross margin ratio. A typical profit margin falls between 5% and 10% but it varies widely by industry.