GLEAVI 8pcs Professional Cross Cylinder Lens Portable Optometry Tool Multi-Function Glasses Supply

Package List 8 x Cross Cylinder Lens Characteristics -Color:Multi Optical Lens -Size (50 degree): 10.80X3.80X0.40cm/ 4.24X1.49X0.16inch Portable Cylinder Lens -Material: Optical glass and zinc alloy Eyeglass Accessory -Fine workmanship and good material ensure its durability and practicality Glasses Accessory. -Handheld design, simple and portable, easy to use, carry and store Multi-function Optical Lens. -When correcting the axial direction, the two axes of the cross cylindrical lenses can be placed at 45 degrees of the cylindrical lenses Multi-function Cross Cylinder. -The cross cylinder lens is mainly used for optometry, a good helper for experiment Convenient Optometry Tools. -Made of , great processes, for a long time use Cylinder Lens.Goods InformationPortable Optical Lens The cross cylinder lens with opposite axial refractive power, used for astigmatism.Portable Cross Cylinder Place the cross cylindrical lens on the cylindrical lens money to make an with the cylindrical lens , and then reverse the cross cylindrical lens to rotate the certain degrees

• Cross cylinder:it has a simple design, but very practical in use, giving you a ,Multi-function Optometry Tools
• Glasses supply:fine workmanship and good material ensure its durability and practicality,Convenient Optometry Tools
• Portable cross cylinder:with the lightweight and compact size design, it can be easy to take,Professional Cross Cylinder
• Multi-function optical lens:when correcting the axial direction, the two axes of the cross cylindrical lenses can be placed at 45 degrees of the cylindrical lenses,Multi-function Cross Cylinder
• Tools:manufactured with zinc alloy and optical glass, and professional,Cylinder Lens