vitamins in the eyes can give rise to opacity of the eye lens and hence cataracts as age advances. Furthermore, macular-specific vitamins such as the carotinoids lutein and zeaxanthin protect the eye against [...] maintain eyesight long term, the eyes require special care – vitamins are helpful in this regard. Right from a young age, a healthy balanced diet is advisable to ensure the eyes get an optimal supply of [...] stress and various environmental factors give rise to free radicals which the body's cells attack. Vitamins B2, C and E protect the eyes by capturing and neutralising free radicals. Good sources of vitamin

system generally has no effect on the icon markings on the start screens. The change has an affect only on the system settings and the individual apps that take on the value. All mobile operating systems feature [...] visually impaired people: Rather than the phone's design and finish, the integrated aids to operation and available apps are to the fore. Surfing the Internet with the smartphone and reading messages or writing [...] depends on the various touch gestures of the operating systems. The specific gesture (double tapping with three fingers) to invoke the zoom with iOS leads to confusion less often than with the Windows phone

Accommodation is the ability of the eye to focus on objects close up by varying the shape of the lens. This ability is lost as we age. The resulting age-related presbyopia can be corrected through the use of reading [...] moisten the cloth with lukewarm water. Never use alcohol-based solvents or organic solvents to clean the lens as these could destroy the lens. Is it possible to change the LEDs on an LED magnifier? The LEDs [...] charge the battery handle of the Vario Plus system and use it at the same time? No. For technical reasons, it cannot be used during the 4-hour charging period. What is a dioptre? A dioptre (dpt) is the unit

originator/site operator. No infringements of the law were evident to us at the time the external links were placed. The provider has no influence over the current or future design or content of linked websites [...] governed by the intellectual property and copyright laws of Germany. Any form of exploitation outside the limits of the intellectual property and copyright laws requires the prior written consent of the respective [...] monitoring of the linked contents is unreasonable without specific indications of an infringement of the law. As soon as an infringement of the law becomes known, we will immediately remove the link(s) concerned

size is always five times the thickness of the line, and in the case of the Landolt ring, the gap width is also the same as the thickness of the line. During the sight test, if the person who is being tested [...] influences. The interaction of the eye media such as cornea, lens or vitreous humour with the retina can lead to reduced visual acuity, for instance, if the media do not focus the incoming light on the retina [...] front of the retina (short-sightedness), or behind it (long-sightedness), or if one focus point on the retina is not attained (astigmatism). In addition, damage to the eye media, the retina or the optic nerve

determined by the ratio between the visual acuity required for a vision task and the remaining visual acuity of the person affected. Magnification requirement = Required visual acuity/Visual acuity The required [...] on finding the best solution for your requirements and needs - you can also discover the products we offer by following the link. Good illumination reduces the magnification requirement As the type and intensity [...] able to compensate for the impaired vision by magnifying the images on the retina. Before a suitable magnifying vision aid can be selected, it is necessary to find out what the magnification requirement

Article 6(1) of the GDPR. In doing so, the name of the pages you have visited, the browser and operating system you use, the date and time of access, the search engines used, as well as the names of downloaded [...] service which provides the reading aloud of internet content. If one clicks on the “read aloud” button, the corresponding text is transferred via the IP address of the user to the server of ReadSpeaker; [...] sent back via streaming to the user’s IP address. Both the process and the IP address of the user are deleted from the ReadSpeaker server immediately following delivery of the audio file. ReadSpeaker neither

people over the age of 65, and more than one in three people over the age of 75, suffer from macular degeneration. Macula is the medical term for the central region of the retina and is therefore the area of [...] blurring of letters in the central area of a page of printed text. In the early stages of the condition, only a small area involving just a few letters may be affected. However, as the disease advances, this [...] of sharpest vision in the eye. With macular degeneration, your central vision deteriorates as a result of an accumulation of waste deposits under the retina. The first signs of macular degeneration may

reases the distance away and thus extends the image region and reduces the magnificationAllows writing and manual work under the displayProduct Propertiesstand for visolux DIGITAL HDExpands the maximum [...] maximum field of view by around 7 cmIncreases the distance of the electronic aid to the grapesProduct overview

reases the distance away and thus extends the image region and reduces the magnificationAllows writing and manual work under the displayProduct Propertiesstand for visolux DIGITAL HDExpands the maximum [...] maximum field of view by around 7 cmIncreases the distance of the electronic aid to the grapesProduct overview