CN211633227U

CN211633227U - Novel electronic visual chart

Info

Publication number: CN211633227U
Application number: CN201921369317.7U
Authority: CN
Inventors: 董子献
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-10-09
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a novel electron visual acuity chart, including the visual acuity chart body, be provided with the display screen on the visual acuity chart body, the lower extreme fixedly connected with base of visual acuity chart body, be provided with the USB interface on the base, put the palm controller on the base. The novel electronic visual chart contains various visual charts (an E-shaped visual chart, a C-shaped visual chart, a child visual chart, a LogMAR visual chart, a red-green E-shaped visual chart and a red-green C-shaped visual chart), is connected with the palm controller, indicates different visual targets through the palm remote controller, realizes the switching of different visual charts, and is suitable for different ages and patients; the time for a single examinee to check is about half a minute, the light eye-protecting visual chart has the advantages of portability, strong practicability, lower cost and slightly higher cost than the existing lamp box visual chart, and can be popularized in large scale in ophthalmology, community medical care, health hospitals in remote areas, physical examination institutions and eye stores of hospitals and used for screening routine vision.

Description

Novel electronic visual chart

Technical Field

The utility model relates to an eye chart technical field specifically is a novel electron eye chart.

Background

The eye chart is a chart for measuring vision. The domestic visual chart comprises: international standard visual acuity chart, logarithmic visual acuity chart, and landau circle visual acuity chart. The visual acuity chart and the distance visual acuity chart are functionally classified. The visual acuity chart is based on the principle of viewing angle. The inspection of vision is generally divided into far vision and near vision, the far vision mostly adopts an international standard visual chart which is composed of 14 lines of E characters with different sizes and different opening directions; measured from 0.1 to 1.5; each row has a label, and the normal of the visual chart operating side of the tested person is parallel to one row of 1.0 and is 5 meters away from the visual chart.

The existing clinical visual chart is single, and children patients and related eye disease patients are not suitable for the visual chart, so that equipment which meets the intelligent requirements and is high in economical efficiency is necessary to be designed and used, and the previously developed comprehensive optometry instrument detection equipment is high in cost and heavy in equipment and is not suitable for remote and basic popularization and use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel electron visual chart to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel electron visual chart, includes the visual chart body, be provided with the display screen on the visual chart body, the lower extreme fixedly connected with base of visual chart body, be provided with the USB interface on the base, put palm controller on the base, the left end of base is provided with the power cord, the left end of power cord is provided with the plug. The novel electronic visual chart contains various visual charts (an E-shaped visual chart, a C-shaped visual chart, a child visual chart, a LogMAR visual chart, a red-green E-shaped visual chart and a red-green C-shaped visual chart), is connected with the palm controller, indicates different visual targets through the palm remote controller, realizes the switching of different visual charts, and is suitable for different ages and patients; the time for a single examinee to check is about half a minute, the light eye-protecting visual chart has the advantages of portability, strong practicability, lower cost and slightly higher cost than the existing lamp box visual chart, and can be popularized in large scale in ophthalmology, community medical care, health hospitals in remote areas, physical examination institutions and eye stores of hospitals and used for screening routine vision.

Preferably, the number of the USB interfaces is four, and the USB interfaces are distributed at the front end of the base at equal intervals. By designing a plurality of USB interfaces, the USB interface can be used for data connection.

Preferably, the visual chart body comprises embedded software and an infrared receiver. The embedded software provides software support, and the infrared receiver can receive infrared signals.

Preferably, the infrared receiver is connected with the palm controller through an infrared signal. The display interface can be controlled through the cooperation of the palm controller and the infrared receiver.

Compared with the prior art, the beneficial effects of the utility model are that: the novel electronic visual chart contains various visual charts (an E-shaped visual chart, a C-shaped visual chart, a child visual chart, a LogMAR visual chart, a red-green E-shaped visual chart and a red-green C-shaped visual chart), is connected with the palm controller, indicates different visual targets through the palm remote controller, realizes the switching of different visual charts, and is suitable for different ages and patients; the time for a single examinee to check is about half a minute, the light eye-protecting visual chart has the advantages of portability, strong practicability, lower cost and slightly higher cost than the existing lamp box visual chart, and can be popularized in large scale in ophthalmology, community medical care, health hospitals in remote areas, physical examination institutions and eye stores of hospitals and used for screening routine vision.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an initial interface diagram of the display screen of the present invention;

FIG. 3 is a first view of the eye chart interface of the present invention;

FIG. 4 is a second diagram of the interface of the eye chart of the present invention;

FIG. 5 is a third view of the interface of the eye chart of the present invention;

FIG. 6 is a fourth view of the interface of the eye chart of the present invention;

FIG. 7 is a fifth drawing of the interface display of the eye chart of the present invention;

fig. 8 shows a sixth view of the interface of the eye chart of the present invention.

In the figure: 1 visual chart body, 2 display screens, 3 bases, 4USB interfaces, 5 palm controllers, 6 power cords, 7 plugs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a novel electronic visual chart, including visual chart body 1, be provided with display screen 2 on the visual chart body 1, can show the eyesight chart, the lower extreme fixedly connected with base 3 of visual chart body 1, be provided with USB interface 4 on the base 3, palm controller 5 has been put on the base 3, for infrared controller, the left end of base 3 is provided with power cord 6, the left end of power cord 6 is provided with plug 7, plug 7 pegs graft with external power supply, provide the power, display screen 2 can show E word eyesight chart, C word eyesight chart, children's eyesight chart, the MAR eyesight chart, red green E word eyesight chart and red green C word eyesight chart, as shown in figure 7, display screen 2 shows red green E word eyesight chart, and the left side is red, the right side is green, as shown in figure 8, display screen 2 shows red green C word eyesight chart, and the left side is red, the right side is green.

In this embodiment, specifically, the number of the USB interfaces 4 is four, and the USB interfaces 4 are distributed at the front end of the base 3 at equal intervals. By designing a plurality of USB interfaces 4, it is possible to make data connections.

In this embodiment, specifically, the visual chart body 1 includes embedded software and an infrared receiver. The embedded software provides software support, and the infrared receiver can receive infrared signals.

In this embodiment, specifically, the infrared receiver is connected to the palm controller 5 through an infrared signal. The display interface can be controlled by the cooperation of the palm controller 5 and the infrared receiver.

In this embodiment, the interface sequentially displayed by the display screen 2 is specifically an initial interface 6 grid chart, 6 optotypes for E vision, 6 optotypes for C vision, a child visual chart, 4 optotypes for LogMAR vision, red-green-E optotypes, and red-green-C optotypes. By designing a plurality of visual charts, adjustment can be performed as required.

The utility model discloses when concrete implementation: the novel electronic visual chart contains various visual charts (an E-shaped visual chart, a C-shaped visual chart, a child visual chart, a LogMAR visual chart, a red-green E-shaped visual chart and a red-green C-shaped visual chart), is connected with the palm controller 5, indicates different visual targets through the palm remote controller 5, realizes the switching of different visual charts, and is suitable for different ages and patients; the time for a single examinee to check is about half a minute, and the visual acuity test chart has the advantages of portability, detachability, strong practicability, lower cost, slightly higher expense than the existing lamp box visual acuity test chart, can be popularized in large scale in ophthalmology, community medical care, health hospitals in remote areas, physical examination institutions and eye stores of hospitals and is used for screening routine vision.

The method is consistent with the trend of current artificial intelligence, and other visual training functions can be added at the later stage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel electronic visual chart comprises a visual chart body (1), and is characterized in that: be provided with display screen (2) on visual chart body (1), the lower extreme fixedly connected with base (3) of visual chart body (1), be provided with USB interface (4) on base (3), put palm controller (5) on base (3), the left end of base (3) is provided with power cord (6), the left end of power cord (6) is provided with plug (7).

2. The new electronic eye chart of claim 1, wherein: the quantity of USB interface (4) is four, USB interface (4) are the equidistance at the front end of base (3) and distribute.

3. The new electronic eye chart of claim 1, wherein: the visual chart body (1) comprises embedded software and an infrared receiver.

4. The new electronic eye chart of claim 3, wherein: the infrared receiver is connected with the palm controller (5) through an infrared signal.