104 Trial Lens Set Metal Rim Aluminum Case

104 PCS Trial Lenses – The 104 pcs trial lenses are made of glass with a metal rim, which gives accurate diopter and a high light transmittance, very important for optometrist and vision testers.
Large Metal Rim – Features a 36 mm inner diameter and 38 mm outer diameter, providing a wide field of vision, making the test result more accurate.
Easily-Distinguished lenses – Including 104 pcs lenses in the case, with 72 pcs of spherical lenses, 24 pcs of cylindrical lenses, 4 pcs of prismatic lens, 4 pcs of accessories. Each lens handle is engraved with markings, and the lens power is printed on the tray.
Aluminum Box – This case is made of premium aluminum with a combination lock. The lock comes factory set to 000. Open it by pushing the button outward and reset the combination to whichever 3 digits you like while pushing the button inward. Please remember the password you set, or you will no longer be able to open or close it.
Widely used – It is very useful for optometrists, vision testers and household use to exam a patient’s refractive error – including hyperopia, myopia, presbyopia, astigmatism, strabismus or color blindness.