When neutralizing a lens with high plus power, placing the glasses correctly on the lensometer and combining readings from both sides are essential steps.
When neutralizing a lens with high plus power, it is necessary to place the glasses on the lensometer with the back of the lens facing you. This allows for the correct measurement and adjustment of the lens power to achieve neutrality. Combining the readings from both the left and right sides helps ensure accurate neutralization and correction.
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