Lens powers are clearly imprinted on each lens rim as well as on the inner tray.;The trial lens set of 104 pieces is suitable for home visit with light weight and small size.;It mainly consists of positive or negative sphere lens,positive or negative cylinder lens,prism lens and accessory lens.;With an aluminum case in hard texture, and the combination lock on it ensures its safety perfectly.;Set of 104 trial lenses, of accurate power degrees perfect outlook finish Plastic mounts B1 with power marks branded clearly on both sides of each handle Trial lens set with plastic rims, suitable for MRI or environments requiring non-magnetic supplies/equipment.

• 104PCS Trial case lenses Box Trial Frame Metal Rim Ophthalmic Trial Case Optical Trial Lens Set
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104PCS Trial case lenses Box Trial Frame Metal Rim Ophthalmic Trial Case Optical Trial Lens SetSunwin