Gatuida 8pcs Portable Multi-Function Optical Lens for Astigmatism Testing Professional Cross Cylinder Optometry Tools for Eye Examination Lightweight and Design

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

• Convenient optometry tools--the workmanship will give you an excellent use experience,Convenient Optical Lens
• Cylinder lens--made of , great processes, for a long time use,Glasses Accessory
• Optometry tools--you can this practical cross cylinder with reasonable and ,Optical Lens
• Convenient cylinder lens--it is made of high-grade material, which can be used for a long time,Portable Cylinder Lens
• Glasses supply--it is simple in design, but it's practical to use, which will give you a good use experience,Multi-function Cross Cylinder