NCLE VERTEX DISTANCE

This video provides a foundational understanding of vertex distance as it relates to contact lens wear. This video is geared toward contact lens technicians and opticians that are preparing to take their NCLE examination.

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NCLE VERTEX DISTANCE - CYLINDRICAL LENSES
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NCLE VERTEX DISTANCE - CYLINDRICAL LENSES

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THE ABO & NCLE SECRET

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Refraction
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Refraction

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Vertex compensation rule

Vertex Distance
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Vertex Distance

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