| 摘要 |
A trial frame is provided in which a trial lens can be moved close to, or moved away from the front of the patient's face, and includes: a main bar, one end of which is connected to a hinge, and another end is turnable forward and backward relative to a patient's face; a slide member that is slidably mounted on the main bar; a sub-bar that is provided at the lower part of the slide member to be at a right angle to the main bar; a support shaft and a support plate that are slidably hung from the sub-bar; a vertical shaft that is provided on the support plate; an angle-adjusting member, one end of which is supported by the support plate to rotate around the vertical shaft; and trial lenses, each of which is hung by a fork-shaped arm at the lower part of the angle-adjusting member. |
