Lana Loupes are available in three styles to meet a variety of clinical needs. The Open Half Frame fits over prescription glasses, safety glasses or laser safety glasses and offers 2.5X and 3.5X magnification. The Open Half Frame also allows the telescopes to be flipped up or down in front of prescription glasses. The Lana Loupes Full Frame is available in high powers 2.5X , 3.5X, 4.0X and 5.0X powers and is mounted on frames that can accommodate prescription or safety lenses. They also flip up or down. The Lana Loupes Clip On is available in 2.5X and 3.5X magnification, clip on to any prescription, safety or laser glasses and flip up or down. All Lana Loupes have anti-reflective coatings for a sharp crisp view.