Large Trial Lens Set Features and Benefits 260 lenses, 22 mm aperture Spherical lenses: ±0.25 to ±20.00 D Cylindrical lenses: ±0.25 to ± 6.00 D Prismatic lenses: 0.5 to 6.00 D
Materials Included Mobile Crossed Cylinders Slit Maddox Plano Lens Red-Green Filters Occlusion Stenopeic Hole
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1-Year Warranty