<p><i><b>Description</b></i></p>
<p>This is a professional trial frame lens set that includes spherical lenses, cylindrical lenses. Made of high-quality metal and optical glasses, the trial frame lens set is very strong and durable. Its 0.25D accuracy helps you to accurately test the refractive error of your patients. </p>
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<p><i><b>Specification</b></i></p>
<p>Model: MT68-A1</p>
<p>Material: Optical Glass, Aluminum, Copper, Fabric</p>
<p>Box Color: Silver</p>
<p>Power Ranges/Concave Spherical Lens: 0.25 ~ 4.00</p>
<p>Power Ranges/Convex Spherical Lens: 0.25 ~ 4.00</p>
<p>Power Ranges/Concave Cylinder Lens: 0.25 ~ 5.00</p>
<p>Accuracy: 0.25D</p>
<p>Gross Weight: 2kg/4.4lbs</p>
<p>Net Weight: 1.66kg/3.65lbs</p>
<p>Package Size: 35*35*5cm/13.77*13.77*1.96in</p>
<p>Inner Lens Diameter: 36.5mm/1.43in</p>
<p>Outer Lens Diameter: 38mm/1.49in</p>
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<p><i><b>Package Included</b></i></p>
<p>28*Concave Sphere Lenses</p>
<p>28*Convex Sphere Lenses</p>
<p>12*Cylinder Lenses</p>
<p>1*Carrying Case</p>
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<p><i><b>Notes</b></i></p>
<p>1. To assure the accuracy of the exam, the following people are not suitable for the exam. The patient is in bad mental or physical condition, overworked, dizzy, and has bloodshot eyes or other ophthalmic diseases.</p>
<p>2. Please prevent it from being scratched when it is used.</p>
<p>3. Keep it clean and dry by wiping it with a soft cloth after each use.</p>
<p>4. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement. Please make sure you do not mind before you order. </p>
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