• S4OPTIK Perimeter Full Aperture Trial Lens Set with Wooden Case 
    Minus Cylinder Only. Includes the following clearly marked lenses:

    • Spherical Lenses
    • ±0.25 to ± 3.00D in 0.25D steps
    • ± 3.50 to ± 7.00D in 0.50D steps
    • ±8.00 to ±14.00 in 1.00D steps
    • 16.00D
    •  
    • Minus Cylinder Lenses
    • -0.25 to -1.00D in 0.25D steps
    • -1.50 to -5.00D in 0.50D steps

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