Need new glasses? Online eye exams and vision tests offer a convenient way to get a glasses prescription. Doctors explain ...

The term "20/20 vision" refers to how sharp your eyes are when you look at a standard eye chart (Snellen chart) from a distance of 20 feet (or 6 meters)—depending on where you live. In the United ...

Vision screening and eye care for residents of long-term care facilities have significant potential to enhance quality of ...

Research indicates an urgent need for updated vision screening policies and safer infrastructure to protect aging drivers Study: Driving status ...

Treatment with CNM-Au8 led to clinical improvements in relapsing-remitting MS patients that linked to signs of nerve cell ...

Background To develop and assess the usability of a smartphone-based visual acuity (VA) test with an automatic distance calibration ... an Early Treatment Diabetic Retinopathy Study (ETDRS) chart and ...

UCVA was tested using a standard logarithmic visual acuity E chart. When the oculus dexter (OD ... After a 5–10 s interval following the completion of the OD test, the OS was tested. Each subject ...

Optotype acuity is the measurement of a person's ability to see fine details and distinguish between different visual elements, like the letters O and Q. An eye chart is used to measure how well a ...