visual acuity.Product PropertiesA high level of image brightness.The image has double the surface brightness in comparison to ambient light conditions.By approaching the object, a magnification level of up to [...] power.Lens made of high quality silicate.All Eschenbach Optik bright-field magnifiers are supplied in a microfibre pouch which can also be used to clean the magnifiers.Magnification 1:1.8.Object and image
visual acuity.Product PropertiesA high level of image brightness.The image has double the surface brightness in comparison to ambient light conditions.By approaching the object, a magnification level of up to [...] power.Lens made of high quality silicate.All Eschenbach Optik bright-field magnifiers are supplied in a microfibre pouch which can also be used to clean the magnifiers.Magnification 1:1.8.Object and image
handle for round-the-neck cord which is supplied.The biconvex reading magnifiers offer a large visual field in a medium magnification range.Product PropertiesBiconvex PXM® lightweight lens, duplex coated [...] Hand-held and reading magnifiers economic Product BenefitsSuitable for tasks which require a low or medium level of magnification.An additional high-magnification lens enables small details to be read
Reading aids miniframe2 These reading aids are for emergency use, as a spare pair or an additional pair of glasses for near vision requirements. They are only suitable for short-term use and are not [...] dy-to-wear readers in 5 different optical base values: 1.0 dpt, 1.5 dpt, 2.0 dpt, 2.5 dpt, 3.0 dpt.A strength which decreases upwards by 1 dioptre from the lower edge to the upper edge of the lens.PXM® [...] sharpness.Sophisticated, classically elegant design including case.Ideal as an entry-level model or as a spare or additional pair of glasses.Temple colour: gun, gold, blue, red.Display available.Materials
visual acuity.Product PropertiesA high level of image brightness.The image has double the surface brightness in comparison to ambient light conditions.By approaching the object, a magnification level of up to [...] power.Lens made of high quality silicate.All Eschenbach Optik bright-field magnifiers are supplied in a microfibre pouch which can also be used to clean the magnifiers.Magnification 1:1.8.Object and image
visual acuity.Product PropertiesA high level of image brightness.The image has double the surface brightness in comparison to ambient light conditions.By approaching the object, a magnification level of up to [...] power.Lens made of high quality silicate.All Eschenbach Optik bright-field magnifiers are supplied in a microfibre pouch which can also be used to clean the magnifiers.Magnification 1:1.8.Object and image
visual acuity.Product PropertiesA high level of image brightness.The image has double the surface brightness in comparison to ambient light conditions.By approaching the object, a magnification level of up to [...] power.Lens made of high quality silicate.All Eschenbach Optik bright-field magnifiers are supplied in a microfibre pouch which can also be used to clean the magnifiers.Magnification 1:1.8.Object and image
rectangular panoramic field of view is a real treat.Excellent image quality from top-notch optics with full magenta coating.A short near point allows observations from a distance of 1.5 m and 2 m respectively
rectangular panoramic field of view is a real treat.Excellent image quality from top-notch optics with full magenta coating.A short near point allows observations from a distance of 1.5 m and 2 m respectively
who is being tested can recognise a test symbol 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 [...] acuity, a variety of test symbols are used by ophthalmologists and opticians. In addition to Landolt rings, Snellen charts, letters and numbers, symbols can also be used which are displayed at a specified [...] with which an object is focused on the retina. Reduced visual acuity Visual acuity is influenced by a wide variety of factors, which are determined not only by the eye itself but also environmental influences
