Just a few teardrops can reveal volumes about a range of medical conditions, from cancer to Alzheimer’s disease and retinopathies. India has been developing its own tear-based point-of-care diagnostic ...

Tear fluid is emerging as an attractive source of diagnostic information because it can be collected easily and noninvasively ...

A common eye test could expel tear droplets up to a meter away from the patient, potentially spreading viruses that cause COVID-19 and other pathogens. In Physics of Fluids, by AIP Publishing, ...

The McMurray test is a physical examination doctors use for knee injuries. A positive McMurray test means a person likely has a meniscal tear, otherwise known as a knee injury. The femur and tibia are ...