that has a line width of less than 1 minute of arc, then their visual acuity will be 1. If the person being tested has a visual acuity of only 0.5, then the test symbol displayed must be doubled in size [...] must be focused on the retina. The better this process works, the sharper our vision - and we are then able to distinguish objects from each other with greater precision. Visual acuity is the sharpness

an eye disease from the above list to discover more. In each case, we will show normal vision and then vision in 4 stages of the particular illness. Vison specialists

must be focused on the retina. The better this process works, the sharper our vision - and we are then able to distinguish objects from each other with greater precision. Visual acuity is the sharpness

smartphones, various apps help make everyday life a lot easier. The Prizmo app for iOS scans documents and then reads them out. For the visually impaired this is really useful for reading the menu in a restaurant

s, the eyeball is too short. The focal point of the eye is behind the retina. Your near vision is then blurred, e.g. when reading. When the eye compensates through accommodation, this often leads to eye [...] vision appear blurred. This process usually becomes apparent between the ages of 40 and 65. You will then need a pair of glasses to be able to read at a normal distance of approximately 35 centimetres. The

you have given us express permission to use your e-mail address for advertising purposes. You will then be sent newsletters and information on the following themes: advertising, current offers, information [...] for the above-stated purposes. If you do not agree, you must abort this process. No information will then be transmitted through our contact form and no data will be processed. You may revoke your consent