CN102831810A - Human-eye simulation calibrating model - Google Patents
Human-eye simulation calibrating model Download PDFInfo
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- CN102831810A CN102831810A CN2012102978679A CN201210297867A CN102831810A CN 102831810 A CN102831810 A CN 102831810A CN 2012102978679 A CN2012102978679 A CN 2012102978679A CN 201210297867 A CN201210297867 A CN 201210297867A CN 102831810 A CN102831810 A CN 102831810A
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Abstract
A human-eye simulation calibrating model mainly solves the problem that diopter of an existing human-eye calibrating model cannot be adjusted. The human-eye simulation calibrating model is characterized in that an electrode layer (4) is arranged on the outer wall of a shell (2), a hydrophobic dielectric layer (5) is arranged on the inner wall of the shell (2), an inner cavity of the shell (2) is divided into a front cavity (8), a middle cavity (9) and a rear cavity (10) by an insulating ring (6), conductive polar liquor is filled in the middle cavity (9), insulating non-polar liquor is respectively filled in the front cavity (8) and the rear cavity (10), the density of the polar liquor is identical to that of the non-polar liquor, the refractive index of the polar liquor is different from that of the non-polar liquor, the polar liquor is insoluble in the non-polar liquor, the polar liquor is connected with anodes of direct-current power sources (7), and the electrode layer (4) is connected with cathodes of the direct-current power sources (7). Diopter of the human-eye simulation calibrating model can be changed, different refractive states of a simulated eye are adjusted by simply regulating voltage, and the human-eye simulation calibrating model has the advantages of high durability, large diopter adjustment range, high light penetration capacity, precision and speed and low power consumption.
Description
Technical field
The present invention relates to a kind of human eye peg model, be specifically related to a kind of simulation human eye peg model.
Background technology
The human eye dioptroscopy instrument of ophthalmological instrument manufacturers produce in the market (for example: optometry unit, refractometer); All use human eye peg model separately; And all be uncontrollable static model eye; Do not have the unified demarcation benchmark in the industry at home, and the human eye peg model of each manufacturer is different, thereby causes the standard of the human eye dioptroscopy instrument of different production firms production to differ; The doctor is difficult to hold when adopting the inspection apparatus of different manufacturers to do inspection to the patient, and then makes troubles.
Summary of the invention
In order to solve the problem that existing human eye peg model diopter can not be regulated; The present invention provides a kind of simulation human eye peg model, and the simple voltage-regulation of diopter of this simulation human eye peg model realizes the adjusting of the different refractive status of simulated eye; The structure of reduced eye is consistent with true human eye; Can be ophthalmology dioptric class diagnostic instrments unified demarcation benchmark is provided, be highly suitable in the ophthalmology department teaching process and use, reduced eye can simulate states such as normal eyes, myopia, farsightedness easily; Do not have motor element, have that durability is good, the diopter range of adjustment is big, the light penetration ability is strong, power consumption is low, precision is high and fireballing characteristics.
Technical scheme of the present invention is: a kind of human eye peg model of simulating comprises transparent artificial cornea and airtight tubular shell; An end and middle part that artificial cornea is fixed on housing outwards are the sphere protrusion, and the other end of housing is fixed at the bottom of the artificial eye of the dome shape that is indent corresponding with artificial cornea, and the outer wall of housing is provided with electrode layer; The inwall of housing is provided with hydrophobic dielectric layer; The middle part of housing is fixed with electrode layer and hydrophobic dielectric layer is isolated into two-part dead ring, and dead ring is divided into ante-chamber, lumen and back cavity with the inner chamber of housing, and lumen is corresponding with dead ring; Ante-chamber and the back cavity hydrophobic dielectric layer with the dead ring both sides respectively are corresponding; Be provided with the polar solvent of conduction in the lumen, be provided with the non-polar solution of insulation in ante-chamber and the back cavity, the density of polar solvent and non-polar solution is identical, refractive index is different and immiscible; Polar solvent is communicated with the positive pole of direct supply, and electrode layer is communicated with the negative pole of direct supply.
Be provided with the elasticity light-transmissive film between described lumen and the ante-chamber and between lumen and the back cavity.
Described artificial cornea is glass, resin or plastics.
Inwall at the bottom of the described artificial eye is provided with the eye fundus image of emulation.
The present invention has following beneficial effect: owing to take such scheme; Because polar solvent is identical with the density of non-polar solution; Interface between polar solvent and the non-polar solution is in office, and where the position can both keep spherical shape; Be convenient to accurately control the diopter of simulated eye, change the voltage that is added between polar solvent and the electrode layer and can change the interfacial tension between polar solvent and the hydrophobic dielectric layer effectively, and then changed the contact angle a between polar solvent and the hydrophobic dielectric layer; The change of contact angle a has determined the curvature of the globular interface between polar solvent and the non-polar solution, has therefore changed the diopter of simulated eye.The present invention is through simple voltage-regulation; Realized the adjusting of the different refractive status of simulated eye, the structure of reduced eye is consistent with true human eye, can be ophthalmology dioptric class diagnostic instrments unified demarcation benchmark is provided; Be highly suitable in the ophthalmology department teaching process and use; Reduced eye can simulate states such as normal eyes, myopia, farsightedness easily, does not have motor element, has that durability is good, the diopter range of adjustment is big, the light penetration ability is strong, power consumption is low, precision is high and fireballing characteristics.
Description of drawings
Accompanying drawing 1 is a structure cut-open view of the present invention.
Accompanying drawing 2 is that the present invention simulates bathomorphic structure cut-open view.
Accompanying drawing 3 is that the present invention simulates presbyopic structure cut-open view.
1-artificial cornea among the figure, the 2-housing, at the bottom of the 3-artificial eye, 4-electrode layer, the hydrophobic dielectric layer of 5-, 6-dead ring, 7-direct supply, 8-ante-chamber, 9-lumen, 10-back cavity, 11-light-transmissive film.
The a-contact angle.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further:
Combine Fig. 2, shown in Figure 3 by Fig. 1, a kind of human eye peg model of simulating comprises transparent artificial cornea 1 and airtight tubular shell 2, and an end and middle part that artificial cornea 1 is fixed on housing 2 outwards are the sphere protrusion; At the bottom of the artificial eye of the fixing dome shape that is indent corresponding of the other end of housing 23 with artificial cornea 1; The outer wall of housing 2 is provided with electrode layer 4, and the inwall of housing 2 is provided with hydrophobic dielectric layer 5, and the middle part of housing 2 is fixed with electrode layer 4 and hydrophobic dielectric layer 5 are isolated into two-part dead ring 6; Dead ring 6 is divided into ante-chamber 8, lumen 9 and back cavity 10 with the inner chamber of housing 2; Lumen 9 is corresponding with dead ring 6, and the hydrophobic dielectric layer 5 with dead ring 6 both sides is corresponding respectively with back cavity 10 for ante-chamber 8, is provided with the polar solvent of conduction in the lumen 9; Be provided with the non-polar solution of insulation in ante-chamber 8 and the back cavity 10; The density of polar solvent and non-polar solution is identical, refractive index is different and immiscible, and polar solvent is communicated with the positive pole of direct supply 7, and electrode layer 4 is communicated with the negative pole of direct supplys 7.Owing to take technique scheme; Because polar solvent is identical with the density of non-polar solution; Interface between polar solvent and the non-polar solution is in office, and where the position can both keep spherical shape; Be convenient to accurately control the diopter of simulated eye, change the voltage that is added between polar solvent and the electrode layer 4 and can change the interfacial tension between polar solvent and the hydrophobic dielectric layer effectively, and then changed the contact angle a between polar solvent and the hydrophobic dielectric layer; The change of contact angle a has determined the curvature of the globular interface between polar solvent and the non-polar solution, has therefore changed the diopter of simulated eye.The present invention is through simple voltage-regulation; Realized the adjusting of the different refractive status of simulated eye, the structure of reduced eye is consistent with true human eye, can be ophthalmology dioptric class diagnostic instrments unified demarcation benchmark is provided; Be highly suitable in the ophthalmology department teaching process and use; Reduced eye can simulate states such as normal eyes, myopia, farsightedness easily, does not have motor element, has that durability is good, the diopter range of adjustment is big, the light penetration ability is strong, power consumption is low, precision is high and fireballing characteristics.
Be provided with elasticity light-transmissive film 11 between described lumen 9 and the ante-chamber 8 and between lumen and the back cavity 10.Elasticity light-transmissive film 11 can be avoided level confusion between the immiscible liquid, also is convenient in different chambers, charge into simultaneously different liquid.
Described artificial cornea 1 is glass, resin or plastics.Cost is low, and light transmission is good, is convenient to processing.
3 inwall is provided with the eye fundus image of emulation at the bottom of the described artificial eye.Use the eye fundus image of fundus imaging instrument (like fundus camera, ophthalmoscope etc.) observation model eye, and when contrasting different refractive status to the influence of fundus imaging instrument.
Claims (4)
1. simulate the human eye peg model for one kind; Comprise transparent artificial cornea (1) and airtight tubular shell (2); An end and middle part that artificial cornea (1) is fixed on housing (2) outwards are the sphere protrusion, and at the bottom of the artificial eye of the fixing dome shape that is indent corresponding with artificial cornea (1) of the other end of housing (2) (3), it is characterized in that: the outer wall of housing (2) is provided with electrode layer (4); The inwall of housing (2) is provided with hydrophobic dielectric layer (5); The middle part of housing (2) is fixed with electrode layer (4) and hydrophobic dielectric layer (5) is isolated into two-part dead ring (6), and dead ring (6) is divided into ante-chamber (8), lumen (9) and back cavity (10) with the inner chamber of housing (2), and lumen (9) is corresponding with dead ring (6); Ante-chamber (8) and back cavity (10) the hydrophobic dielectric layer (5) with dead ring (6) both sides respectively are corresponding; Be provided with the polar solvent of conduction in the lumen (9), be provided with the non-polar solution of insulation in ante-chamber (8) and the back cavity (10), the density of polar solvent and non-polar solution is identical, refractive index is different and immiscible; Polar solvent is communicated with the positive pole of direct supply (7), and electrode layer (4) is communicated with the negative pole of direct supply (7).
2. a kind of simulation human eye peg model according to claim 1 is characterized in that: be provided with elasticity light-transmissive film (11) between lumen (9) and the ante-chamber (8) and between lumen and the back cavity (10).
3. a kind of simulation human eye peg model according to claim 1 and 2 is characterized in that: artificial cornea (1) is glass, resin or plastics.
4. a kind of simulation human eye peg model according to claim 1 and 2, it is characterized in that: the inwall of (3) is provided with the eye fundus image of emulation at the bottom of the artificial eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102978679A CN102831810A (en) | 2012-08-16 | 2012-08-16 | Human-eye simulation calibrating model |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102978679A CN102831810A (en) | 2012-08-16 | 2012-08-16 | Human-eye simulation calibrating model |
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| CN102831810A true CN102831810A (en) | 2012-12-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551358A (en) * | 2016-01-26 | 2016-05-04 | 温州眼视光发展有限公司 | Simulation eye |
| CN106530923A (en) * | 2016-10-18 | 2017-03-22 | 温州医科大学 | Simulation eye with adjustable aberration based on spatial light modulator, and aberration adjustment method for simulation eye |
| CN109602498A (en) * | 2018-12-06 | 2019-04-12 | 哈尔滨工业大学 | A kind of Ophthalimic microsurgery auxiliary robot scaling method |
| WO2020051758A1 (en) * | 2018-09-11 | 2020-03-19 | 温州医科大学 | Model eye for fundus imaging system test |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156348A (en) * | 2011-03-31 | 2011-08-17 | 上海理工大学 | Two-liquid zoom lens optical imaging system and method for simulating zoom of human eye |
-
2012
- 2012-08-16 CN CN2012102978679A patent/CN102831810A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156348A (en) * | 2011-03-31 | 2011-08-17 | 上海理工大学 | Two-liquid zoom lens optical imaging system and method for simulating zoom of human eye |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551358A (en) * | 2016-01-26 | 2016-05-04 | 温州眼视光发展有限公司 | Simulation eye |
| CN105551358B (en) * | 2016-01-26 | 2018-09-21 | 温州眼视光发展有限公司 | A kind of simulated eye |
| CN106530923A (en) * | 2016-10-18 | 2017-03-22 | 温州医科大学 | Simulation eye with adjustable aberration based on spatial light modulator, and aberration adjustment method for simulation eye |
| WO2020051758A1 (en) * | 2018-09-11 | 2020-03-19 | 温州医科大学 | Model eye for fundus imaging system test |
| CN109602498A (en) * | 2018-12-06 | 2019-04-12 | 哈尔滨工业大学 | A kind of Ophthalimic microsurgery auxiliary robot scaling method |
| CN109602498B (en) * | 2018-12-06 | 2022-03-01 | 哈尔滨工业大学 | Ophthalmic micro-surgery auxiliary robot calibration mechanism |
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Application publication date: 20121219 |