Prescription Analysis第 47 / 100 题
Prism prescribed as '2 base out' in each eye is used to help with what?
a.Vertical alignment
b.Convergence or divergence problems (horizontal)
c.Reading add
d.Color vision
解析
Base out and base in prism address horizontal deviations of the eyes, aiding fusion for esophoria or exophoria. Vertical deviations use base up or base down prism.
免费刷完整 100 道题库 — 无需注册。
同考点相关题目
- Hand neutralization of an unknown lens uses what technique?
- With-the-rule astigmatism typically has the cylinder axis oriented near what?
- An Rx reads OD +1.50 -0.50 x 090, OS +1.50 -0.50 x 090, Add +2.25. What is the near power in each eye?
- A patient needs 3 prism diopters base down in the right lens. If the lens is +2.00 D, how much decentration achieves this (Prentice's rule)?
- Slab-off prism is used to correct what condition in a multifocal wearer?
- The written Rx 'OU' means what?