According to Amazon.com customer reviews, some of the highest-rated magnifying glasses on the market are the Carson SureGrip Series Hand Held, the Teenitor 3 LED Light 45X Handheld Magnifier and the Mighty Bright LED 5" Round Magnifier. As of 2015, all have ratings averaging 4.5 out of 5 stars.
All of these magnifying glasses are praised for their comfortable, ergonomic handles. The models by Teenitor and Mighty Bright are particularly useful because they feature LED lights that illuminate magnified objects. The Carson model is perfect for travel because it is lightweight and includes a zipper pouch with soft padding for easy storage.