ImproVision 511 tinted fitover filterbril, koperkleurig, 18% lichtdoorlaatbaar very suitable for use at

very suitable for use at school

rectangular model made of synthetic material with choice for time and alarm anouncement in 24 or 12 hour clock with analogue style speech e

glasprotector

including cloth pouch

Gewicht circa 380 gram

ImproVision 511 tinted fitover filterbril, koperkleurig, 18% lichtdoorlaatbaar very suitable for use atImproVision IV Proshield 511 tinted fitover sun filter glasses, 100% protection against UV a, b, c radiation and blue blocking up to 511 Nm, copper colored polymer lenses with 60% grey tint and grey side lenses, matt black PC polymer frame, allows approx. 18% light through, dimensions 63 wide 12 nose size 44 mm high, including cloth pouch. Suitable for contrast enhanching, winter and water sports and people with macular degeneration, cataract and