images on the retina. Before a suitable magnifying vision aid can be selected, it is necessary to find out what the magnification requirement is. In general, this is determined by the ratio between the visual [...] The required visual acuity is the minimum value of visual acuity which is required in order to carry out a vision task. The following table gives several examples: Required visual acuity Vision task Visual
minimalists. Product PropertiesEasy to use: Pressing gently with the finger slides the lens unit out into the viewing position.Small size: Can be stowed in any bag quickly and easily thanks to its small
162461 Product BenefitsSpecially designed for spectacle wearers.Both hands are kept free for carrying out intricate work, handicrafts or reading.Large visual field and comfortable working distance.Product
and monoculars maxDETAIL Art. Nr. 162451 Product BenefitsBoth hands are kept free for carrying out intricate work, handicrafts or reading.Comfortable working distance and large visual field; lightweight
minimalists. Product PropertiesEasy to use: Pressing gently with the finger slides the lens unit out into the viewing position.Small size: Can be stowed in any bag quickly and easily thanks to its small
and monoculars maxDETAIL Art. Nr. 162451 Product BenefitsBoth hands are kept free for carrying out intricate work, handicrafts or reading.Comfortable working distance and large visual field; lightweight
162461 Product BenefitsSpecially designed for spectacle wearers.Both hands are kept free for carrying out intricate work, handicrafts or reading.Large visual field and comfortable working distance.Product
minimalists. Product PropertiesEasy to use: Pressing gently with the finger slides the lens unit out into the viewing position.Small size: Can be stowed in any bag quickly and easily thanks to its small
162461 Product BenefitsSpecially designed for spectacle wearers.Both hands are kept free for carrying out intricate work, handicrafts or reading.Large visual field and comfortable working distance.Product
photochromic options, in the following tints:15%, 65%, 85%, polarised 75% and graded 50-15% for inside and out.The phototropic lenses of ambelis active protect the eyes in all light conditions.Glasses made of