Question 134

Your patient comes back to clinic saying that his new glasses are "not right". They are reporting asthenopic symptoms. You measure the glasses and find the sphere, cylinder and axis are correct. However, in one lens the optical center is 4mm off the pupillary axis. The spherical equivalent of the lens is -6.00. How much induced prism is present in this one lens?

24 prism diopters

2.4 prism diopters

1.5 prism diopters

0.67 prism diopters

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