There was no significant difference in the measurability across different age groups. The testability of the E-word visual acuity chart was significantly lower at 71.0 %. A strong correlation (R = ...

In particular, the E Standard Logarithmic Visual Acuity Chart (GB 11533-1989) was used to measure VA at a distance of 5 m (22). The corresponding relationship between the E chart and the Snellen chart ...

For distance visual acuity, no eyes were 20/20 with spectacle lenses, while all eyes reached 20/30 or better with the scleral lens. For near visual acuity, eight eyes could read 20/30 or better.

Gaining Sight After Years of Blindness Takes Time. Visual areas of the brain need to learn to organize and interpret sensory ...

More than half of the patients who wore a customizable scleral lens achieved 20/20 best-corrected visual acuity (BCVA), according to a real-world investigation presented at the American Optometric ...

BACKGROUND: A common clinical sign in children with subnormal visual acuity or slow visual development was iris transillumination. This was used as the inclusion criterion in a study of children shown ...