1. Aspherical lens design, can get distortionless image on the TV. Lenses are made of hardened scratch resistant acrylic, ultra lightweight, No discomfort for long time use the magnifying glasses
2. Left and right eye lens can be diopter adjusted independently by turning the focus wheel on each side.
3. Great vision aids magnifying glasses for presbyopes to get 2.1X magnification image on TV screen (can not use for driving)
4. Suitable for myopic people to watch TV in the visual range of 0-300 degrees, the recommended observation distance is about 3 meters, the best effect,Note: Not work for individuals that have AMB (macular degeneration),Astigmatism and others with severe vision loss
5. Ideal magnifier for clear view of minutiae on the objects for research, also for fishing, handy crafts making, gardening,outdoor sports etc