WO2014117753A1 - 一种视力保健仪 - Google Patents

一种视力保健仪 Download PDF

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Publication number
WO2014117753A1
WO2014117753A1 PCT/CN2014/072667 CN2014072667W WO2014117753A1 WO 2014117753 A1 WO2014117753 A1 WO 2014117753A1 CN 2014072667 W CN2014072667 W CN 2014072667W WO 2014117753 A1 WO2014117753 A1 WO 2014117753A1
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Prior art keywords
cursor
group
optical marker
convex lens
distance
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PCT/CN2014/072667
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English (en)
French (fr)
Inventor
吴荣泰
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Wu Jung Tai
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Publication of WO2014117753A1 publication Critical patent/WO2014117753A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H5/00—Exercisers for the eyes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/1604—Head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/165—Wearable interfaces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1657—Movement of interface, i.e. force application means
    • A61H2201/168—Movement of interface, i.e. force application means not moving

Definitions

  • the utility model relates to a vision health care instrument, which is a device for guiding eye movements, in particular to the use of optical principles, with convex lenses and cursor positions to produce images of near and far, and up and down, left and right, so that the eye muscle groups can be retracted and coordinated.
  • Balance device is a device for guiding eye movements, in particular to the use of optical principles, with convex lenses and cursor positions to produce images of near and far, and up and down, left and right, so that the eye muscle groups can be retracted and coordinated.
  • the muscles of the eyes are like rubber bands. To have the tension of relaxation and relaxation, the elasticity can be maintained. If it is tight for a long time or slack for a long time, it is the cause of eye vision deterioration.
  • the ciliary muscles When the eye looks at a nearby target, the ciliary muscles need to be tightened to achieve a near focal length. Once the ciliary muscle loses its elasticity, it will become difficult when it is necessary to tighten the ciliary muscle. That is the old flower. When the eye looks at a distant target, the ciliary muscle must be relaxed to adjust the focal length. If the ciliary muscles are tightened for a long time, when they need to relax the ciliary muscles, they can't do it, and they become myopia.
  • Eye circumference training Strengthen the training of the extraocular muscles (six muscles), and stimulate the visual nerve to improve the balance of the brain. And the coordination of the extraocular muscles (six muscles) can smooth the cornea and improve astigmatism.
  • 2006 CN2770617Y Zhang Zai and others used the left and right rows of cursors to move forward and backward as the front and rear distance changes, and the electrodes on both sides were energized to stimulate the acupuncture points near the eyes.
  • 2011 CN201759836U Zhang Zai and others used the left and right two rows of cursors to move forward and backward as the front and rear distance changes, and added airbags on both sides, massage the massage head to massage the acupuncture points near the eyes.
  • the above creations do not actually understand the specifications of the optical lenses. Just moving the cursor back and forth can not really accurately create the actual required imaging distance, nor does it guide the extraocular muscles (six muscles) to get proper exercise.
  • the technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a visual effect that can display the near to infinity distance imaging effect, can guide the eyeball to move up and down and left and right, and provide coordinated operation of the six muscles to make the eyes A variety of muscles to obtain a more comprehensive guide to the vision of the health care instrument.
  • a vision health care instrument comprising: a device casing for isolating external light, an optical convex lens assembly, a linear cursor group capable of displaying a cursor forward and backward, a ring cursor group capable of displaying a cursor around the circumference, and controlling the linear cursor group and the ring cursor The group of cursors is moved by the control unit.
  • the optical lenticular lens assembly of the present invention corresponds to two eyes, and the optical lenticular lens assembly is composed of a contact pad and at least one lenticular lens sheet.
  • the focal length of the lenticular lens sheet of the present invention is 1 to 30 cm.
  • the lenticular lens sheet of the present invention has a focal length of 5 to 20 cm.
  • the linear cursor group of the present invention comprises a tilting substrate disposed in a content chamber of the device casing, wherein the substrate has a plurality of spaced and linearly arranged cursor lights, and the linear cursor group has a developing distance of 1 cm to infinity, the straight line
  • the cursor light of the cursor group is flashed in order according to the distance, causing the cursor to shift.
  • the ring cursor group of the present invention comprises an annular substrate disposed on the inner side of the device casing, and the substrate has a plurality of spaced and arranged circularly arranged cursor lights, and the annular image group has a developing image distance of 1 cm to infinity, the ring
  • the cursor light of the cursor group flashes in the clockwise or counterclockwise direction to cause the cursor to shift.
  • the middle control unit of the utility model is disposed in the device casing, and is electrically connected to the linear cursor group and the ring cursor group, and the control cursor light flashes to cause the cursor to be displaced, and the brightness of the cursor light is the cursor.
  • This creation goes deep into the principle of optical lens, selects the correct convex lens specification and precise cursor distance, shortens the length of the device, and can display the imaging effect from near to infinity within less than 30 cm.
  • the creation of the linear cursor group provides a change in the distance of the imaging, so that the ciliary muscles can achieve a tension-relaxation exercise; in addition, the ring cursor group can also guide the eyeball to move up and down and left and right, providing six muscles (upper and lower rectus, The coordinated operation of the inner and outer rectus muscles and the superior and inferior oblique muscles enables more comprehensive guidance and activities of the various muscles of the eye.
  • Frequent use of the present invention for eye care can improve the problems of myopia and astigmatism.
  • Figure 1 is a schematic front view of the utility model
  • Figure 2 is a schematic perspective view of the top view of the utility model
  • Figure 3 is a perspective view showing the left side structure of the present invention.
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 5 is a schematic diagram of an optical imaging formula
  • FIG. 6 is a schematic view showing the position of the linear cursor group 11a, the convex lens, and the eye;
  • Figure 7 is a schematic view of the ring cursor group 11b of the present invention.
  • a vision health care device includes a device housing 10a for isolating external light, an optical convex lens assembly 12, a linear cursor group 11a capable of displaying a cursor forward and backward, a circular cursor group 11b capable of displaying a cursor around the circumference, and A control unit that controls cursor movement of the linear cursor group 11a and the ring cursor group 11b is composed.
  • the optical lens assembly 12 corresponds to two eyes, each of the optical convex lens assemblies 12 is composed of a contact pad 12a and at least one convex lens sheet 12b, and the plurality of lenses 12b constitute a convex lens group.
  • the linear cursor group 11a and the ring cursor group 11b also correspond to the optical lens assembly 12 in two.
  • the focal length of the convex lens sheet or the mirror group is 1 to 30 cm, and the optimum focal length is 5 to 20 cm.
  • optical imaging formula (lens formula) .
  • the object distance reciprocal (1/u) plus the image distance reciprocal (1/v) is the reciprocal of the focal length (1/f), precisely controlling the imaging distance, as shown in Figure 5, the optical imaging formula (lens formula) ) to make a noun description:
  • the center O point of the convex lens is the optical center of the lens.
  • Focus The light parallel to the main axis passes through the convex lens and converges on the main optical axis by a point F, which is the focus of the convex lens.
  • Focal length The distance from the focal point F to the optical axis O of the convex lens is called the focal length and is represented by f.
  • Object distance The distance from the object to the optical center of the convex lens is called the object distance and is represented by u.
  • Image distance The distance from the image formed by the convex lens to the optical center of the convex lens is expressed by v.
  • A1 is the position of the cursor (on the object distance u).
  • A2 is the development position (on the image distance v).
  • the linear cursor group 11a includes a tilting substrate disposed in the content chamber of the device casing 10a.
  • the substrate has a plurality of spaced and linearly arranged cursor lights.
  • the linear cursor group 11a has a developing distance of 1 cm to infinity, and the linear cursor group
  • the cursor light of 11a is flashed in order according to the distance, and the cursor is displaced.
  • the inclination of the substrate is such that all the cursor lights can be seen from the optical lens assembly 12;
  • the annular cursor group 11b includes an annular substrate disposed inside the device casing 10a.
  • the substrate has a plurality of spaced and arranged circularly arranged cursor lights.
  • the image distance of the annular cursor group 11b is 1 cm to infinity, and the cursor lights of the circular cursor group 11b are sequentially flashed in a clockwise or counterclockwise direction. Cursor displacement.
  • Embodiment 1-1 the optical principle of the present invention is as shown in FIG. 5, taking a convex lens having a focal length of 10 cm as an example, and moving the linear cursor group 11a back and forth as shown in FIG. 6, when the linear cursor group 11a
  • the object distance u is 10 cm
  • the infinity image distance can be displayed;
  • the linear cursor group 11a is located at 6.67 cm, it can appear 20.03 Cm far image distance.
  • Linear cursor group 11a (Object distance u) The movement distance between the front and back is small, that is, it can show 20cm to infinity image distance, and the effect of making the eye look far and near is easy to wear on the head.
  • Table 1 The specific implementation data is shown in Table 1.
  • the convex lens optical center is taken as the origin, when the eye is on the right side, the cursor is on the left side (ie, the object distance is a positive number), and if the image distance is a negative number, the development position and the cursor are located on the left side.
  • Embodiment 1-2 the optical principle of the present invention is as shown in FIG. 5, taking a convex lens with a focal length of 20 cm as an example, and moving the linear cursor group 11a back and forth as shown in FIG. 6, when the linear cursor group 11a When the object distance u is located at 20 cm, the infinity image distance can be displayed; when the linear cursor group 11a (object distance u) is located at 10 cm, the imaging image distance of 20 cm can be displayed. Because the linear cursor group 11a (The object distance u) has a small moving distance before and after, and the effect of making the eyes look far and near is easy to wear on the head.
  • Table 2 The specific implementation data is shown in Table 2.
  • the convex lens optical center is taken as the origin, when the eye is on the right side, the cursor is on the left side (ie, the object distance is a positive number), and if the image distance is a negative number, the development position and the cursor are located on the left side.
  • Embodiment 1-3 the optical principle of the present invention is as shown in FIG. 5, taking a convex lens with a focal length of 5 cm as an example, and moving the linear cursor group 11a back and forth as shown in FIG. 6, when the linear cursor group 11a (object distance) is located At 5cm, the infinity image distance can be displayed; when the line cursor group 11a When the object distance is 4 cm, the image distance of 20 cm is displayed. Because the linear cursor group 11a (Object distance) The moving distance between the front and back is small, which makes the eye look far and close, and is easy to wear on the head.
  • Table 3 The specific implementation data is shown in Table 3.
  • the convex lens optical center is taken as the origin, when the eye is on the right side, the cursor is on the left side (ie, the object distance is a positive number), and if the image distance is a negative number, the development position and the cursor are located on the left side.
  • the optical principle of the present invention is as shown in FIG. 5, and a convex lens having a focal length of 10 cm is taken as an example.
  • the inside of the lens barrel at a distance of 9.99 cm from the center point of the convex lens is arranged with the cursor around the upper, lower, left and right sides to form a circular cursor group 11b, as shown in FIG.
  • the image distance of 9990 cm in front can be seen.
  • the cursor of the ring cursor group 11b flashes in the clockwise direction
  • the eyeball is guided to move in accordance with its orientation.
  • the eyeball looks at the cursor, and the eyeball can perform coordinated movements of up, down, left, and right to provide an exercise effect of the six muscle groups.
  • Table 4 The specific implementation data is shown in Table 4.
  • the convex lens optical center is taken as the origin, when the eye is on the right side, the cursor is on the left side (ie, the object distance is a positive number), and if the image distance is a negative number, the development position and the cursor are located on the left side.

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
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Abstract

一种视力保健仪，包括隔绝外部光线的设备外壳（10a）、光学凸透镜组件（12）、能前后显示光标的直线光标组（11a）、能环周显示光标的环形光标组（11b）及控制直线光标组（11a）和环形光标组（11b）的光标移动的控制单元。该视力保健仪选用正确的凸透镜规格与精准的光标距离，可在短距离内即可显现从近处到无限远距离的显像效果。该视力保健仪的直线光标组（11a）提供显像远近之变化，使睫状肌达到拉紧一放松的锻炼；环形光标组（11b）还能引导眼球进行上下左右的圆周移动，提供六条肌的协调运行，使眼睛各种肌肉获得更全面性的引导与活动。若像距为负数，则显像位置与光标皆位于左方。

Description

一种视力保健仪
【技术领域】
本实用新型涉及一种视力保健仪，是一种引导眼球运动的装置，尤其是指运用光学原理，以凸透镜配合光标位置制造出远近及上下左右的影像，使眼睛肌肉群进行收放运动与协调平衡装置。
【背景技术】
眼睛的肌肉群像是橡皮筋一样，要有拉紧-放松的刺激，弹性才可以得到保持。如果长时间紧绷或长时间松弛，也就是眼睛视力退化的原因。
当眼睛看近处目标时，须要拉紧睫状肌以达到近的焦距。睫状肌一旦松弛失去弹性，当须拉紧睫状肌时就会变的吃力而做不到，那就是老花了。当眼睛看远处目标时，须放松睫状肌来调整焦距。如果睫状肌长期被拉紧，当须要放松睫状肌时却做不来，就便成了近视。
看远看近训练：为使睫状肌能够进行肌肉拉紧-放松的锻炼运动，进而维持睫状肌之活力(即可维持视力)。
眼球圆周训练：加强眼外肌(六条肌)的训练，刺激视觉神经可提升大脑的平衡感。并且眼外肌(六条肌)群的协调，可使角膜平滑，进而改善散光情况。
回顾过往资料，1983 年US4408846 Balliet，1990 年CN2060068U 季皖中等人，1998 年CN2289545Y 邓启卓等人，1999 年CN2313572Y 高宏平等人，2008年US7393102 Horie等人利用机械轮轴，将物体前后移动造成影像前后的空间感装置。由于以上创作较笨重，只适合放置于桌上，以人就物，使用上十分不方便。
2006年CN2770617Y 张重新等人利用左右两排光标前后跑动为前后距离变化，并加上两侧电极通电刺激眼睛附近穴道。2011年CN201759836U 张重新等人利用左右两排光标前后跑动作为前后距离变化，并加上两侧气囊，按摩头按摩眼睛附近穴道。以上创作对于光学镜片之规格并未实际了解，仅是将光标前后移动，无法真正地精确创造出实际所需之显像距离，亦无引导眼外肌(六条肌)得到适当锻炼的功能。
【实用新型内容】
本实用新型要解决的技术问题是克服现有技术的不足，提供一种可显现近处到无限远距离显像效果、能引导眼球进行上下左右的圆周移动、提供六条肌的协调运行，使眼睛各种肌肉获得更全面性引导活动的视力保健仪。
本实用新型为解决上述技术问题，采用以下技术方案：
一种视力保健仪，其特征在于包括由隔绝外部光线的设备外壳、光学凸透镜组件、能前后显示光标的直线光标组、能环周显示光标的环形光标组及控制所述直线光标组和环形光标组的光标移动的控制单元所组成。
本实用新型中的光学凸透镜组件与眼睛相对应为两个，所述的光学凸透镜组件由接目垫片和至少一个凸透镜片组成。
本实用新型中的凸透镜片的焦距为1～30cm。
本实用新型中的凸透镜片的焦距为5～20cm。
本实用新型中的直线光标组包括设于设备外壳内容室之倾斜基板，基板上有复数间隔且直线排列的光标灯，所述直线光标组的显像距离为1cm至无限远处，所述直线光标组的光标灯按远近依序进行闪灭造成光标位移。
本实用新型中的环形光标组包括设于设备外壳内侧之环形基板，基板上有复数间隔且呈环形分布的光标灯，所述环形光标组的显像像距为1cm至无限远，所述环形光标组的光标灯按顺时针或逆时针方向依序进行闪灭造成光标位移。
本实用新型的中控制单元设于该设备外壳，且电性相连接直线光标组及环形光标组，控制光标灯闪灭造成光标位移，光标灯的亮光即是光标。
本实用新型与现有技术相比，有以下优点：
本创作深入光学透镜原理，选用正确凸透镜规格与精准的光标距离，缩短设备长度，可在不到30公分的距离内，即可显现近处到无限远距离的显像效果。本创作直线光标组提供显像远近之变化，使睫状肌达到拉紧-放松的锻炼；另外，环形光标组还能引导眼球进行上下左右的圆周移动，提供六条肌(上、下直肌，内、外直肌和上、下斜肌)的协调运行，使眼睛各种肌肉获得更全面性引导与活动。
经常使用本实用新型进行眼部保健，能够改善近视和散光的问题。
【附图说明】
图1为本实用新型主视结构示意图；
图2为本实用新型的俯视结构透视示意图；
图3为本实用新型的左视结构透视示意图；
图4为图2的A-A向剖视图；
图5为光学显像公式的示意图；
图6为直线光标组11a、凸透镜及眼睛的位置示意图；
图7为本实用新型的环形光标组11b示意图。
【具体实施方式】
下面结合附图对本实用新型进行详细描述：
如图1-4所示，一种视力保健仪，包括由隔绝外部光线的设备外壳10a、光学凸透镜组件12、能前后显示光标的直线光标组11a、能环周显示光标的环形光标组11b及控制所述直线光标组11a和环形光标组11b的光标移动的控制单元所组成。该光学透镜组件12与眼睛相对应为两个，每个光学凸透镜组件12由接目垫片12a和至少一个凸透镜片12b组成，多个镜片12b组成凸透镜组。直线光标组11a和环形光标组11b与光学透镜组件12相对应也为两个。
本实用新型中凸透镜片或镜组的焦距为1～30cm，最佳焦距为5～20cm。
运用光学显像公式(透镜公式)： 。物距倒数(1/u)加上像距倒数(1/v)为焦距之倒数(1/f)，精准地控制显像距离，如图5所示，对光学的显像公式（透镜公式）进行名词说明：
1. 主轴：通过凸透镜两个球面球心C1、C2 的直线叫凸透镜的主光轴，简称主轴。
2. 光心：凸透镜的中心O点是透镜的光心。
3. 焦点：平行于主轴的光线经过凸透镜后会聚于主光轴上一点F，这一点是凸透镜的焦点。
4. 焦距：焦点F 到凸透镜光心O的距离叫焦距，用f表示。
5. 物距：物体到凸透镜光心的距离称物距，用u表示。
6. 像距：物体经凸透镜所成的像到凸透镜光心的距离称像距，用v表示。
7.A1为光标所在位置(在物距u上) 。
8. A2为显像位置(在像距v上) 。
本实用新型中直线光标组11a包括设于设备外壳10a内容室之倾斜基板，基板上有复数间隔且直线排列的光标灯，直线光标组11a的显像距离为1cm至无限远处，直线光标组11a的光标灯按远近依序进行闪灭造成光标位移，基板的倾斜度以能够从光学透镜组件12看到所有的光标灯为宜；环形光标组11b包括设于设备外壳10a内侧之环形基板，基板上有复数间隔且呈环形分布的光标灯，环形光标组11b的显像像距为1cm至无限远，所述环形光标组11b的光标灯按顺时针或逆时针方向依序进行闪灭造成光标位移。
实施例1-1，本实用新型利用光学原理如图5所示，以焦距为10公分之凸透镜为例，并如图6所示前后移动直线光标组11a，当直线光标组11a (物距u)位于10 公分时，即可显现无限远的显像像距；当直线光标组11a (物距u)位于6.67 cm时，即可显现20.03 cm远的显像像距。因直线光标组11a (物距u)前后移动距离小，即能显现20cm到无限远像距，达到使眼睛看远看近的效果，且易于配戴于头上。具体实施数据见表1。
表1：
凸透镜焦距(cm) 物距(cm) 像距 (cm)
10 ........................ 6.67 ................. -20.03
10 ........................ 9.99 ................. -9990
10 ........................ 10 ............... 无限远处
在图5，以凸透镜光心为原点，当眼睛位于右方，光标位于左方时(即：物距为正数)，若像距为负数，则显像位置与光标皆位于左方。
实施例1-2，本实用新型利用光学原理如图5所示，以焦距为20cm的凸透镜为例，并如图6所示前后移动直线光标组11a，当直线光标组11a (物距u)位于20cm时，即可显现无限远的显像像距；当直线光标组11a (物距u)位于10cm时，可显现20cm远的显像像距。因为直线光标组11a (物距u)前后移动距离小，达到使眼睛看远看近的效果，且易于配戴于头上。具体实施数据见表2。
表2：
凸透镜焦距(cm) 物距(cm) 像距 (cm)
20 .......................... 10 .................... -20
20 .......................... 19.99 ................. -39980
20 .......................... 20 .................... 无限远处
在图5，以凸透镜光心为原点，当眼睛位于右方，光标位于左方时(即：物距为正数)，若像距为负数，则显像位置与光标皆位于左方。
实施例1-3，本实用新型利用光学原理如图5所示，以焦距为5cm的凸透镜为例，并如图6所示前后移动直线光标组11a，当直线光标组11a(物距)位于5cm时，即可显现无限远的显像像距；当直线光标组11a (物距)位于4 cm时，即可显现20cm远的显像像距。因为直线光标组11a (物距)前后移动距离小，达到使眼睛看远看近的效果，且易于配戴于头上。具体实施数据见表3。
表3：
凸透镜焦距(cm) 物距(cm) 像距 (cm)
5 ............................ 4 ..................... -20
5 ............................ 4.99 ....... .......... -2495
5 ............................ 5 ..................... 无限远处
在图5，以凸透镜光心为原点，当眼睛位于右方，光标位于左方时(即：物距为正数)，若像距为负数，则显像位置与光标皆位于左方。
实施例2，本实用新型利用光学原理如图5所示，以焦距为10cm的凸透镜为例。将距离凸透镜中心点9.99cm距离的镜筒内部，其四周上下左右布置光标，形成环形光标组11b,如图7所示。即可显现前方9990cm的显像像距。当环形光标组11b的光标以顺时钟方向闪灭，引导眼球依其方位移动。眼球注视光标，眼球可进行上下左右之协调运动，以提供六条肌肌肉群的锻炼效果。具体实施数据见表4。
表4：
凸透镜焦距(cm) 物距(cm) 像距 (cm)
10 ........................... 6.67 ................... -20.03
10 ........................... 9.99 ................... -9990
10 ........................... 10 ..................... 无限远处
在图5，以凸透镜光心为原点，当眼睛位于右方，光标位于左方时(即：物距为正数)，若像距为负数，则显像位置与光标皆位于左方。

Claims (6)

  1. 一种视力保健仪，其特征在于包括由隔绝外部光线的设备外壳（10a）、光学凸透镜组件（12）、能前后显示光标的直线光标组（11a）、能环周显示光标的环形光标组（11b）及控制所述直线光标组（11a）和环形光标组（11b）的光标移动的控制单元所组成。
  2. 如权利要求1所述的一种视力保健仪，其特征在于所述的光学凸透镜组件（12）与眼睛相对应为两个，所述的光学凸透镜组件（12）由接目垫片（12a）和至少一个凸透镜片（12b）组成。
  3. 如权利要求2所述的一种视力保健仪，其特征在于所述的凸透镜片（12b）的焦距为1～30cm。
  4. 如权利要求3所述的一种视力保健仪，其特征在于所述的凸透镜片（12b）的焦距为5～20cm。
  5. 如权利要求4所述的一种视力保健仪，其特征在于所述直线光标组（11a）包括设于设备外壳（10a）内容室之倾斜基板，基板上有复数间隔且直线排列的光标灯，所述直线光标组（11a）的显像距离为1cm至无限远处，所述直线光标组（11a）的光标灯按远近依序进行闪灭造成光标位移。
  6. 如权利要求1-5任一项所述的一种视力保健仪，其特征在于所述的环形光标组（11b）包括设于设备外壳（10a）内侧之环形基板，基板上有复数间隔且呈环形分布的光标灯，所述环形光标组（11b）的显像像距为1cm至无限远，所述环形光标组（11b）的光标灯按顺时针或逆时针方向依序进行闪灭造成光标位移。
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CN203089800U (zh) * 2013-01-29 2013-07-31 吴荣泰 一种视力保健仪
CN104434475A (zh) * 2013-09-16 2015-03-25 沈华豹 睫状肌锻炼仪
CN103494706B (zh) 2013-10-11 2016-03-30 吴荣泰 一种具有保健视力功能的便携式电子设备
CN204016785U (zh) * 2014-06-27 2014-12-17 吴荣泰 一种具有震动功能的视力保健仪
CN105596186B (zh) * 2015-11-11 2018-03-13 刘东光 智能化眼球内外肌灵敏运动训练仪及其训练方法

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