22PCS Progressive Lens Set Trial Lens Case Aluminium Case Metal Trial Lens Box Ophthalmic Instruments Optical Tool Set Presbyopia Try-On Experience Box(Color:sliver,Size:22pcs)

☛ The 22pcs progressive multifocal optometry kit is widely used by hospital ophthalmologists and dispensing opticians to check people's refractive conditions: farsightedness, myopia, presbyopia, etc.☛ Product overview.^ Product name: 22pcs Progressive Multifocal Optometry Case^ Product material: aluminium case + metal ring + optical glass^ Single piece size: 38mm outer diameter, 36mm through-hole diameter^ Standard package quantity: 232 PCS^ Measuring range: SPH: 1.0-3.5DS^ Net product weight: 0.8 kg^ Optometry case size: 19*14.5*7.2cm/7.5*5.7*2.8inches^ Suitable for: opticians, vision care centres, hospitals, optometry training centres, checking farsightedness, myopia, presbyopia, astigmatism and strabismus

• ☛【Premium Optical Glass】: Progressive multifocal lens with a 36mm aperture, wide field of vision, high light transmission, easy to clean and maintain, more comfortable to wear.
• ☛【22 sets of progressive multifocal lenses】: 1.0, 1.25, 1.50, 1.75, 2.00, 2.25, 2.50, 2.75, 2.00, 3.25, 3.50, 2 pieces each (1 piece for left and right), 22 pieces in total.
• ☛【Gap widening treatment】：Wider lens gap, more convenient for up and down insertion and removal, standard slot to effectively protect the lens.
• ☛【High quality metal frame】：This optometry trial mirror is made of metal frame, which has a longer service life and is sturdy and durable.
• ☛【Widely used】：Progressive multifocal optometry box is widely used in opticians, vision care centres, hospitals and optometry training centres to check farsightedness, myopia, presbyopia, astigmatism and strabismus.