addition to Landolt rings, Snellen charts, letters and numbers, symbols can also be used which are displayed at a specified distance via charts or test symbol projectors. Despite their differences in appearance [...] 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 in order for it to be recognised.
entry-level model or as a spare or additional pair of glasses.Temple colour: gun, gold, blue, red.Display available.Technical data Material and appearance Colourgun, mattiert Optical properties Dioptre1
entry-level model or as a spare or additional pair of glasses.Temple colour: gun, gold, blue, red.Display available.Technical data Material and appearance Colourgun, mattiert Optical properties Dioptre2
entry-level model or as a spare or additional pair of glasses.Temple colour: gun, gold, blue, red.Display available.Technical data Material and appearance Colourgun, mattiert Optical properties Dioptre3
entry-level model or as a spare or additional pair of glasses.Temple colour: gun, gold, blue, red.Display available.Technical data Material and appearance Colourgun, mattiert Optical properties Dioptre2
ic prescription is required before health insurance will meet the costs.Supplied with soft case.Display and Optoform equipement available.Technical data Filter Filter tintas 511 nmcut off511 nm, polar
ic prescription is required before health insurance will meet the costs.Supplied with soft case.Display and Optoform equipement available.Technical data Filter Filter tintas 550 nmcut off550 nmLevel of
ic prescription is required before health insurance will meet the costs.Supplied with soft case.Display and Optoform equipement available.Technical data Filter Filter tintas 527 nmcut off527 nmLevel of
ic prescription is required before health insurance will meet the costs.Supplied with soft case.Display and Optoform equipement available.Technical data Filter Filter tintas 511 nmcut off511 nmLevel of
ic prescription is required before health insurance will meet the costs.Supplied with soft case.Display and Optoform equipement available.Technical data Filter Filter tintas 450 nmcut off450 nmLevel of
