required for reading travel timetables. Other minimum values include: 0.4 for watching television, 0.5 for reading the newspaper and 0.7 for reading a telephone directory. Is the ability of the eye to read [...] reciprocal value of the focal length of a lens measured in metres: a power of +5 dpt therefore has a reciprocal length of 1/5 metres or 20 centimetres. What is long-sightedness? In the case of long-sightedness [...] through it. If light hits a reflective surface, e.g. a wet road, it is also polarised - this time oscillating horizontally - and cannot pass through the polarisation filter. In this way, the strong glare caused
Youtube’s Privacy Policy: http://www.youtube.com/t/privacy 17. YouTube Videos and Channels (Social Media Plugin) Our website features plugins by YouTube.de/YouTube.com, operated by Google LLC – by YouTube [...] licence agreements with third parties we may be contractually obliged to transmit data of the optician’s such as customer IDs, address data, item numbers, product descriptions, sales figures, discounts and [...] customer complaints to the license partner. Examples for license partners are Marc O’Polo, MINI, etc. 3. Protection of Your Personal Data Thank you for your interest in our company and our products and services