Carson's lightweight MagniView DS-36 handheld magnifying glass serves as a great multi-use magnifier.Its top mount thumb rest promotes a more natural hand position during use.Being lightweight, this magnifier is a high quality yet affordable low vision aid for those who suffer with arthritis, carpel tunnel or simply love to read for long periods of time.The bi-focal lens allows you to make seamless focusing transitions when reading text with multiple print sizes.The Crystal-Clear acrylic bi-focal lens is protected with a full rim to increase durability.Whether you're reading books, newspapers, or maps on the go, the DS-36 makes a perfect addition to your desk, purse, or glove box.At Carson, we strive to make sure our customers are 100 Percent satisfied with the quality of our magnifiers.We are so confident in our magnifiers that we back them with a Lifetime Limited Warranty! Carson will repair or replace your magnifier if it is found to have manufacturing defects in materials or workmanship.Please contact Carson for additional warranty details.