The BCVA test utilizes the Snellen chart or the Early Treatment Diabetic Retinopathy Study (ETDRS) chart to measure how many letters a patient can read from a distance. These charts feature ...

Need new glasses? Online eye exams and vision tests offer a convenient way to get a glasses prescription. Doctors explain whether these services are worth trying.

But to read only the top line is to fail when faced with the music world’s Snellen Chart. There are rewards waiting further along for those patient enough to listen and to read on. Last month ...

"That means the lighting and visual presentation is controlled — and so is the distance you are from the Snellen chart," says Nguyen. That's the familiar test usually featuring 11 rows of ...

Adyanthaya, MD: One of the problems in early diagnosis of geographic atrophy is that when visual acuity is tested with the Snellen chart, patients will usually have good vision. It is only when ...

Screening was carried out using the Snellen’s chart and trial lens boxes. Nodal teachers were appointed in each school to coordinate the activity, and follow-up screenings were conducted to ...

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 ...

They should also be able to read at least six rows of letters on the Snellen wall chart. People must also report to the DVLA when they lose part or all of their sight. Professor Julie-Anne Little, ...

Focus Point #2 Traditional measures of visual function, such as Snellen charts, do not fully capture the impact of optic neuritis. Newer methods, including low-contrast visual acuity charts ...