266pcs Trial Lens Set A variety of lenses to meet optometry requirements The trial lens set is an ophthalmology calculating apparatus used in hospital ophthalmology departments and eyeglasses shops to exam a patient’s refractive error - including hyperopia, myopia, presbyopia, astigmatism, strabismus or color blindness. It usually contains sphere lenses, cylinder lenses, prism lenses and other accessory lenses, etc. Each of our trial lens sets include a fixed PD lens frame randomly. Product Features The plastic rim is durable and light.The glass material gives a high light transmittance.Colorful plastic rims are helpful for distinguishing lenses with different functions.The design of the tray makes the insertion more convenient.The included case with its combination lock maximizes lens protection. Packing List： Aluminum Case X 1 Lens X 266 pcs Trial Lens Frame X 1 Instruction X 1 Lens Cloth X 1 What's in the case? Lens Functions Spheres(160 pcs) Spherical lens includes concave lens (-) and convex lens (+). The former is used to correct myopia and the latter hyperopia and presbyopia. Cylinders(80 pcs) Cylindrical lens consists of concave (-) and convex (+) cylindrical lens. They are used to correct astigmatism. Prisms(12 pcs) The tangent plane of a prismatic lens is a cuneiform. This kind of lens is used to exam and correct strabismus or heterophoria, as well as to train eye muscles. Accessories (14pcs) RF, GF, BL, FL(2), PL(2), MR, SS, CL(2), PH, Cross cylinder: 0.25(1), 0.5(1) Combination Lock How to open These locks come factory set to 000. To open the case, just push the button outward. How to reset password Reset the combination to whichever 3 digits you like while pushing the button inward. Notice Please remember the password you set, or you will be unable to close or open it. EGE00122-266-P-A EGE00153 EGE00124-266-M-A EGE00131 EGE00124-104-M-A EGE00127 Add to Cart Buying Options Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.0 out of 5 stars 34 4.0 out of 5 stars 34 4.2 out of 5 stars 96 4.7 out of 5 stars 3 4.3 out of 5 stars 65 — Price $169.99$169.99 — no data $199.00$199.00 $289.90$289.90 $125.18$125.18 $149.90$149.90 PCS 266 266 266 266 104 104 Rim Material Plastic Plastic Metal Metal Metal Metal Tray Material Plastic Wood Plastic Wood Plastic Wood Case Material AL AL AL PU AL PU Lenses Basic Upgraded Basic Upgraded Basic Upgraded Eyeglass Screw Extractor Titanium Trial Lens Frame (Fixed PD) Adjustable Trial Lens Frame (Multi-functional) Ophthalmic Motorized Lift Table Auto Refractometer Manual Lens Edger Add to Cart Add to Cart Add to Cart Add to Cart Buying Options Add to Cart Customer Reviews 3.2 out of 5 stars 10 — 5.0 out of 5 stars 2 5.0 out of 5 stars 2 — 4.0 out of 5 stars 1 Price $44.89$44.89 $39.95$39.95 $47.99$47.99 $184.99$184.99 — no data $140.21$140.21 Application This screw extraction tool is used to take out broken screws in the frame and is equipped with shanks, making it easy to operate. It's suitable for both opticians and families. The Trial Lens Frame is a key tool in optometry, designed to hold trial lenses during eye exams to establish the patient's precise eyewear prescription. The Trial Lens Frame is a key tool in optometry, designed to hold trial lenses during eye exams to establish the patient's precise eyewear prescription. The Optical Motorized Lift Table is used to store a slit lamp, auto lensmeter, or other equipment. It comes with moveable wheels and a lifted board, making it easy to operate and suitable for a variety of scenarios. This product is suitable for measuring the diopter of human eyes (myopia, hyperopia, astigmatism, optical axis), and can provide data evidence for ophthalmic diagnosis and glasses prescription matching. The Manual Lens Edger is a specialty device used solely for polishing and grinding lenses made of materials such as resin, glass, and plastic.