Prescription Analysis第 39 / 100 题
Monocular PD is measured from what to what?
a.Pupil to pupil
b.Ear to ear
c.Lens edge to lens edge
d.The center of the bridge of the nose to the center of each pupil
解析
Monocular PD is the distance from the center of the nasal bridge to the center of each pupil individually. It accounts for facial asymmetry better than a single binocular PD.
免费刷完整 100 道题库 — 无需注册。
同考点相关题目
- A lens is decentered 4 mm from the optical center for a +5.00 D lens. How much prism results (Prentice's rule)?
- When reading an Rx, which value is always a plus number on a bifocal?
- Segment height is best defined as what?
- A binocular distance PD of 64 mm typically corresponds to what near PD range?
- Compensated (effective) power differs from the prescribed power mainly due to what?
- A -8.00 D lens is moved closer to the eye. Its effective minus power does what?