A prism-transmission compound mirror based on longitudinal chromatic aberration

Abstract

The present application relates to the technical field of compound mirror, and especially relates to a prism-transmission compound mirror based on longitudinal chromatic aberration. The prism-transmission compound mirror based on longitudinal chromatic aberration determines the required additional imaging refractive power and then determines the refractive power of the lens by calculating the biometric data of the user's eyes, the corneal red light refractive index and the corneal blue light refractive index, so that the imaging is located in front of the retina, and then the adaptive mechanism of the eye is activated to shorten the eye axis, thereby effectively reducing the myopia degree. Not only can it prevent and control the development of myopia, but also can reverse the process of myopia to a certain extent, and fundamentally solve the problem of myopia. At the same time, the prism-transmission compound mirror increases the prism degree, thereby avoiding the influence of the rotation of the eye on the refractive power of the lens, and further improving the correction effect of the prism-transmission compound mirror. The prism-transmission compound mirror based on longitudinal chromatic aberration adopts a non-invasive correction method, and does not need surgery, thereby avoiding the risk of surgery.

Description

Technical Field

[0001] The present invention relates to the technical field of composite mirrors, in particular to a prism-transmitting composite mirror based on longitudinal chromatic aberration. Background Art

[0002] Currently, common methods for correcting myopia include wearing glasses, contact lenses, and surgical procedures such as laser corneal refractive surgery (LASIK). While glasses and contact lenses provide good vision correction, they cannot prevent the progression of myopia. While surgical options are effective for some patients, they are not suitable for everyone and carry certain risks.

[0003] In recent years, technologies such as defocused lenses and orthokeratology lenses (OK lenses) have emerged to prevent and control myopia. These technologies primarily slow the progression of myopia by changing the eye's refractive state. However, while these technologies are effective in preventing and controlling the progression of myopia, they are unable to reverse its progression.

[0004] The human eye has a phenomenon of longitudinal dispersion. When looking into the distance, the image will fall in front of the retina. At this time, the image in the red light band is clearer, and the eye's adaptive mechanism will be activated to improve the visual imaging quality by adjusting the axial length. This mechanism of axial shortening is expected to help some myopic patients reduce the degree of myopia. Summary of the Invention

[0005] (1) Technical issues to be resolved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a prism-transmitting composite lens based on longitudinal chromatic aberration, which solves the technical problem that the prior glasses cannot reverse myopia.

[0007] (2) Technical solution

[0008] In order to achieve the above objectives, the main technical solutions adopted by the present invention include:

[0009] An embodiment of the present invention provides a prismatic composite lens based on longitudinal chromatic aberration, comprising an integrally formed prism and lens, the prism having a power Q, the lens having a diopter M, and the lens having an optical center O. The prismatic composite lens is obtained by the following steps, comprising:

[0010] S1, based on pre-acquired user eye biometric data, including the user's actual subjective refraction power RX, lens distance L, pupil distance S, corneal curvature radius r, and the ratio of unit adjustment to generated convergence amount AC / A;

[0011] S2. Obtain additional imaging refractive power ΔP based on the user's eye biometric data, corneal red light refractive index n1, and corneal blue light refractive index n2. t ;

[0012] S3. Obtain the power Q of the prism based on the lens distance L, the unit adjustment, and the generated collection amount ratio AC / A;

[0013] S4, based on additional imaging refractive power ΔP t , obtain the refractive power M of the lens and the optical center O of the lens.

[0014] Preferably, step S2 includes:

[0015] Step S21, based on the reference refractive index n0, the dispersion constant B and the red light wavelength λ1, obtaining the corneal red light refractive index n1; based on the reference refractive index n0, the dispersion constant B and the blue light wavelength λ2, obtaining the corneal blue light refractive index n2;

[0016] Step S22: Obtain corneal red light refractive power P1 based on corneal red light refractive index n1, incident medium refractive index n, and corneal curvature radius r; obtain corneal blue light refractive power P2 based on corneal blue light refractive index n2, incident medium refractive index n, and corneal curvature radius r;

[0017] Step S23, obtaining a corneal refractive power change value ΔP based on the corneal red light refractive power P1 and the corneal blue light refractive power P2;

[0018] Step S24: Based on the corneal refractive power change value ΔP, obtain the additional imaging refractive power ΔP t .

[0019] Preferably, step S3 includes:

[0020] Step S31, obtaining the adjustment amount T based on the lens distance L;

[0021] Step S32: Obtain the power Q of the prism based on the adjustment amount T and the unit adjustment and the generated aggregate amount ratio AC / A.

[0022] Preferably, step S4 includes:

[0023] Step S41: Based on the user's actual subjective refraction diopter RX and the additional imaging refractive power ΔP t , obtain the refractive power M of the lens;

[0024] Step S42: Based on the pupil distance S, obtain the optical center O of the lens.

[0025] Preferably, S21 specifically includes: obtaining the corneal red light refractive index n1 according to formula (1) based on the reference refractive index n0, the dispersion constant B and the red light wavelength λ1;

[0026] Formula (1) is:

[0027]

[0028] Based on the reference refractive index n0, dispersion constant B and blue light wavelength λ2, the corneal blue light refractive index n2 is obtained according to formula (2);

[0029] Formula (2) is:

[0030]

[0031] Preferably, step S22 specifically includes obtaining the corneal red refractive power P1 according to formula (3) based on the corneal red refractive index n1, the incident medium refractive index n and the corneal curvature radius r;

[0032] Formula (3) is:

[0033]

[0034] Based on the corneal blue light refractive index n2, the incident medium refractive index n and the corneal curvature radius r, the corneal blue light refractive power P2 is obtained according to formula (4);

[0035] Formula (4) is:

[0036]

[0037] Preferably, step S23 specifically includes, based on the corneal red light refractive power P1 and the corneal blue light refractive power P2, obtaining the corneal refractive power change value ΔP according to formula (5);

[0038] Formula (5) is:

[0039] ΔP=P2-P1;

[0040] Step S24: Based on the corneal refractive power change value ΔP, according to formula (6), obtain the additional imaging refractive power ΔP t ;

[0041] Formula (6) is:

[0042] ΔP t =0.5×ΔP.

[0043] Preferably, step S31 specifically includes, based on the lens distance L, obtaining the adjustment amount T according to formula (7);

[0044] Formula (7) is:

[0045]

[0046] Step S32 specifically includes obtaining the power Q of the prism based on the adjustment amount T and the unit adjustment and the generated aggregate amount ratio AC / A according to formula (8);

[0047] Formula (8) is:

[0048]

[0049] Preferably, step S41 specifically includes: based on the user's actual subjective refraction diopter RX and the additional imaging refractive power ΔP t , according to formula (9), obtain the refractive power M of the lens;

[0050] Formula (9) is:

[0051] M=RX+T+ΔP t .

[0052] Preferably, step S42 specifically includes, based on the pupil distance S, obtaining the optical center O of the lens according to formula (10);

[0053] Formula (10) is:

[0054]

[0055] (3) Beneficial effects

[0056] The beneficial effects of the present invention are:

[0057] The prism-transmitting composite lens based on longitudinal chromatic aberration of the present invention calculates the biometric data of the user's eyes, the corneal red light refractive index, and the corneal blue light refractive index to determine the required additional imaging refractive power and then determine the refractive power of the lens, so that the image is located in front of the retina, thereby activating the eye's adaptive mechanism, causing the eye axis to shorten, thereby effectively reducing the degree of myopia. It can not only prevent and control the development of myopia, but also reverse the progression of myopia to a certain extent, and fundamentally solve the problem of myopia. At the same time, the prism-transmitting composite lens increases the prism power, thereby avoiding the influence of the refractive power of the lens due to the rotation of the eye, further improving the correction effect of the prism-transmitting composite lens. The prism-transmitting composite lens based on longitudinal chromatic aberration adopts a non-invasive correction method, does not require surgery, avoids surgical risks, and is comfortable to wear, providing a safe and effective new correction method for myopic patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] Figure 1 This is a calculation flow chart of the prism composite mirror based on longitudinal chromatic aberration of the present invention. DETAILED DESCRIPTION

[0059] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0060] An embodiment of the present invention provides a prismatic composite lens based on longitudinal chromatic aberration, comprising an integrally formed prism and lens, the prism having a power Q, the lens having a diopter M, and the lens having an optical center O. The prismatic composite lens is obtained by the following steps, comprising:

[0061] S1. Based on the pre-acquired biometric data of the user's eyes, including the user's actual subjective refraction power RX, lens distance L, pupil distance S, corneal curvature radius r, and the ratio of unit adjustment to the generated convergence amount AC / A.

[0062] S2. Obtain additional imaging refractive power ΔP based on the user's eye biometric data, corneal red light refractive index n1, and corneal blue light refractive index n2. t .

[0063] Wherein, step S2 includes:

[0064] Step S21, based on the reference refractive index n0, the dispersion constant B and the red light wavelength λ1, obtaining the corneal red light refractive index n1; based on the reference refractive index n0, the dispersion constant B and the blue light wavelength λ2, obtaining the corneal blue light refractive index n2;

[0065] Step S22: Obtain corneal red light refractive power P1 based on corneal red light refractive index n1, incident medium refractive index n, and corneal curvature radius r; obtain corneal blue light refractive power P2 based on corneal blue light refractive index n2, incident medium refractive index n, and corneal curvature radius r;

[0066] Step S23, obtaining a corneal refractive power change value ΔP based on the corneal red light refractive power P1 and the corneal blue light refractive power P2;

[0067] Step S24: Based on the corneal refractive power change value ΔP, obtain the additional imaging refractive power ΔP t .

[0068] S3. Obtain the degree Q of the prism based on the lens distance L, the unit adjustment, and the generated aggregation ratio AC / A.

[0069] Wherein, step S3 includes:

[0070] Step S31, obtaining the adjustment amount T based on the lens distance L;

[0071] Step S32: Obtain the power Q of the prism based on the adjustment amount T and the unit adjustment and the generated aggregate amount ratio AC / A.

[0072] S4, based on additional imaging refractive power ΔP t , obtain the refractive power M of the lens and the optical center O of the lens.

[0073] Wherein, step S4 includes:

[0074] Step S41: Based on the user's actual subjective refraction diopter RX and the additional imaging refractive power ΔP t , obtain the refractive power M of the lens;

[0075] Step S42: Based on the pupil distance S, obtain the optical center O of the lens.

[0076] In this embodiment, the prism-transmitting composite lens based on longitudinal chromatic aberration calculates the biometric data of the user's eyes, the corneal red light refractive index, and the corneal blue light refractive index to determine the required additional imaging refractive power and then the refractive power of the lens, so that the image is located in front of the retina, thereby activating the eye's adaptive mechanism, causing the eye axis to shorten, thereby effectively reducing the degree of myopia. This can not only prevent and control the development of myopia, but also reverse the progression of myopia to a certain extent, fundamentally solving the problem of myopia. At the same time, the prism-transmitting composite lens increases the prism power, thereby avoiding the influence of the lens's refractive power due to the rotation of the eye, further improving the correction effect of the prism-transmitting composite lens. The prism-transmitting composite lens based on longitudinal chromatic aberration adopts a non-invasive correction method, does not require surgery, avoids surgical risks, and is comfortable to wear, providing a safe and effective new correction method for myopic patients.

[0077] S21 specifically includes: obtaining the corneal red light refractive index n1 based on the reference refractive index n0, the dispersion constant B and the red light wavelength λ1 according to formula (1);

[0078] Formula (1) is:

[0079]

[0080] Based on the reference refractive index n0, dispersion constant B and blue light wavelength λ2, the corneal blue light refractive index n2 is obtained according to formula (2);

[0081] Formula (2) is:

[0082]

[0083] Step S22 specifically includes obtaining the corneal red refractive power P1 according to formula (3) based on the corneal red refractive index n1, the incident medium refractive index n and the corneal curvature radius r;

[0084] Formula (3) is:

[0085]

[0086] Based on the corneal blue light refractive index n2, the incident medium refractive index n and the corneal curvature radius r, the corneal blue light refractive power P2 is obtained according to formula (4);

[0087] Formula (4) is:

[0088]

[0089] Step S23 specifically includes obtaining a corneal refractive power change value ΔP based on the corneal red light refractive power P1 and the corneal blue light refractive power P2 according to formula (5);

[0090] Formula (5) is:

[0091] ΔP=P2-P1;

[0092] Step S24: Based on the corneal refractive power change value ΔP, according to formula (6), obtain the additional imaging refractive power ΔP t ;

[0093] Formula (6) is:

[0094] ΔP t =0.5×ΔP.

[0095] Step S31 specifically includes obtaining the adjustment amount T based on the lens distance L according to formula (7);

[0096] Formula (7) is:

[0097]

[0098] Step S32 specifically includes obtaining the power Q of the prism based on the adjustment amount T and the unit adjustment and the generated aggregate amount ratio AC / A according to formula (8);

[0099] Formula (8) is:

[0100]

[0101] Step S41 specifically includes: based on the user's actual subjective refraction power RX and the additional imaging refractive power ΔP t , according to formula (9), obtain the refractive power M of the lens;

[0102] Formula (9) is:

[0103] M=RX+T+ΔP t .

[0104] Step S42 specifically includes, based on the pupil distance S, obtaining the optical center O of the lens according to formula (10);

[0105] Formula (10) is:

[0106]

[0107] Example 1

[0108] S1. Pre-acquired biometric data of the user's eyes: the user's actual subjective refraction power RX is -1.00D, the corneal curvature radius r is +0.0078m, the ratio of unit adjustment to generated convergence AC / A is 5 (Δ / D), the lens distance L is 0.4m, and the pupil distance S is 60mm when the lens distance L is 0.4m.

[0109] S21. Based on the reference refractive index n0, the dispersion constant B, and the red light wavelength λ1, the corneal red light refractive index n1 is obtained, where the reference refractive index n0 = 1.376 (i.e., measured at a wavelength of 589 nm), the dispersion constant B = 5.0 × 10 3 nm 2 , red light wavelength λ1 = 700nm.

[0110]

[0111] Based on the reference refractive index n0, dispersion constant B and red light wavelength λ2, the corneal blue light refractive index n2 is obtained, where the reference refractive index n0 = 1.376 (i.e. measured at a wavelength of 589 nm), the dispersion constant B = 5.0×10 3 nm 2 , blue light wavelength λ2 = 400nm.

[0112]

[0113] S22. Obtain corneal red light refractive power P1 based on corneal red light refractive index n1, incident medium refractive index n, and corneal curvature radius r, where incident medium refractive index n is the refractive index of the medium in air = 1.0.

[0114]

[0115] Based on the corneal blue light refractive index n2, the incident medium refractive index n and the corneal curvature radius r, the corneal blue light refractive power P2 is obtained according to formula (4).

[0116]

[0117] S23 . Obtain a corneal refractive power change value ΔP based on the corneal red light refractive power P1 and the corneal blue light refractive power P2 .

[0118] ΔP=P2-P1=52.21-49.51=2.70D;

[0119] S24. Based on the corneal refractive power change value ΔP, according to formula (6), obtain the additional imaging refractive power ΔP t .

[0120] ΔP t =0.5×ΔP=0.5×2.70D=1.35D.

[0121] S31. Based on the lens distance L, obtain the adjustment amount T.

[0122]

[0123] S32. Obtain the degree Q of the prism based on the adjustment amount T and the unit adjustment and the generated aggregation amount ratio AC / A.

[0124]

[0125] S41, based on the user's actual subjective refraction diopter RX and additional imaging refractive power ΔP t , obtain the refractive power M of the lens.

[0126] M=RX+T+ΔP t =-1.00D+2.5D+0.75D=+2.25D.

[0127] S42. Based on the pupil distance S, obtain the optical center O of the lens.

[0128]

[0129] Therefore, the power Q of the prism of the prism composite lens is 12.5Δ, the refractive power M of the lens is +2.25D, and the optical center O of the lens is 30 mm.

[0130] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0131] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0132] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0133] In the description of this specification, the terms "one embodiment", "some embodiments", "embodiments", "examples", "specific examples" or "some examples" refer to the specific features, structures, materials or characteristics described in conjunction with the embodiment or example and included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and features of different embodiments or examples, unless they are mutually inconsistent.

[0134] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may alter, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A prism composite lens based on longitudinal chromatic aberration, characterized in that: The prism and lens are integrally formed, the prism has a power Q, the lens has a diopter M, and the lens has an optical center O. The prism-transmitting composite lens is obtained by the following steps, which include: S1, based on pre-acquired user eye biometric data, including the user's actual subjective refraction power RX, lens distance L, pupil distance S, corneal curvature radius r, and the ratio of unit adjustment to generated convergence amount AC / A; S2, based on obtaining the user's eye biometric data, corneal red light refractive index and corneal blue light refractive index , obtain additional imaging refractive power ; The step S2 comprises: Step S21: Based on the reference refractive index n0, the dispersion constant B and the red light wavelength λ1, the corneal red light refractive index is obtained according to formula (1). ; The formula (1) is: ； Based on the reference refractive index n0, the dispersion constant B and the blue light wavelength λ2, the corneal blue light refractive index is obtained according to formula (2): ; The formula (2) is: ； Step S22: Based on the corneal red refractive index , the incident medium refractive index n and the corneal curvature radius r, and according to formula (3), obtain the corneal red light refractive power P1; The formula (3) is: ； Based on the corneal blue light refractive index n2, the incident medium refractive index n and the corneal curvature radius r, the corneal blue light refractive power is obtained according to the formula (4): ; The formula (4) is: ； Step S23: Based on the corneal red light refractive power P1 and the corneal blue light refractive power P2, obtain the corneal refractive power change value according to formula (5): ; The formula (5) is: ； Step S24: Based on the corneal refractive power change value , according to formula (6), the additional imaging refractive power is obtained ; The formula (6) is: ； S3. Obtaining the power Q of the prism based on the lens distance L and the unit adjustment and the generated aggregation ratio AC / A; The step S3 comprises: Step S31, based on the lens distance L, obtain the adjustment amount T according to formula (7); The formula (7) is: ； Step S32: Based on the adjustment amount T and the ratio AC / A of the unit adjustment and the generated aggregate amount, the power Q of the prism is obtained according to formula (8); The formula (8) is: ； S4, based on the additional imaging refractive power , obtain the refractive power M of the lens and the optical center O of the lens.

2. The prism composite mirror based on longitudinal chromatic aberration according to claim 1, wherein: The step S4 comprises: Step S41: based on the user's actual subjective refraction diopter RX and the additional imaging refractive power , obtain the refractive power M of the lens; Step S42: Based on the pupil distance S, obtain the optical center O of the lens.

3. The prism composite mirror based on longitudinal chromatic aberration according to claim 2, wherein: The step S41 specifically includes: based on the user's actual subjective refraction diopter RX and the additional imaging refractive power , according to formula (9), obtain the refractive power M of the lens; The formula (9) is: 。 4. The prism composite mirror based on longitudinal chromatic aberration according to claim 2, wherein: The step S42 specifically includes, based on the pupil distance S, obtaining the optical center O of the lens according to formula (10); The formula (10) is: 。

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