<b>-What is progressive multifocus reading glasses?</b><br>Asymptotic multifocal glasses are the upper optical area of the lens used to look far and the lower optical area used to look near. The degree of the middle gradually change, which used to look at the intermediate area.Most people wear progressive multifocal glasses need about a week of adaptation, but the adaptation period varies from person to person, walk slower when feel dizzy.When go down stairs, please lower your glasses and use the top area. You'll feel safe and comfortable.<br><br><b>-Comfortable nose pads</b><br>Soft silicone nose pads give you best wearing sensation and reduce the burden on the nose bridge.<br><br><b>-Titanium memory material</b><br>Super elastic titanium memory more felixable and better resistance to deformation ability.<br><br><b>-Highquality frame</b><br>High quality lightweight and durable alloy frame makes you barely feel the weight of glasses when wearing them.<br><br><b>-Flexible & Lightweight, High elastic temples</b><br>The flexible spring mirror leg fit different size of face , reduce the pressure on the face of the glasses.<br><br><b>-About Alsenor</b><br>Alsenor is a global eyewear brand with striking sales growth. Alsenor is focused on becoming a well-deserved vision specialist. These products with stable optical performance, reliable quality, beautiful appearance and high performance gain market trust and high praise.