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Choose the type of Lens Выберите бренд контактных линз

Vertex Distance (mm)  What is Vertex Distance?

Right Eye

Trial Lens Power O.D.     Sphere (+ or -) Cylinder (+ or -)   0.00 -0.75 -1.25 -1.75 -2.25 x  Axis   Over-     Refraction       x    Rotation     Nasal/Counter Clockwise Temporal/Clockwise

Why do I need to compensate for rotation?

Left Eye

Trial Lens Power O.S.     Sphere (+ or -) Cylinder (+ or -)   0.00 -0.75 -1.25 -1.75 -2.25 x  Axis   Over-     Refraction       x    Rotation     Nasal/Clockwise Temporal/Counter Clockwise

Why do I need to compensate for rotation?

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