Use the Layout Chart scale to verify the correct size. With a ruler, check if it fits on the scale ruler, as shown in the figure. If you've correctly configured the screen size in the app's settings page, the ruler should fit normally.
Progressive lenses are the perfect solution for people with presbyopia who want to avoid the visible line of traditional bifocal […]
VISUAL ACUITY ETDRS TO SMART TV FREE DOWNLOAD
The ETDRS (Early Treatment Diabetic Retinopathy Study) chart is a widely used tool in eye examinations to measure visual acuity, […]
Depth perception is the ability to accurately judge distances between two objects. This is a critical skill for a person […]
The Ishihara test
Are you curious about the Ishihara Test? This is a color vision test used to diagnose color blindness, but what […]
Visual acuity App. Download now.
A red-green duochromatic or bichromatic test is a commonly used test to refine the final sphere in refraction, which makes […]