CN-122018178-A - Optical system and electronic device for improving eye health

CN122018178ACN 122018178 ACN122018178 ACN 122018178ACN-122018178-A

Abstract

The present disclosure provides an optical system and an electronic device for improving eye health, wherein the system includes a controller determining a target value of an intersection angle of a first prism and a second prism according to an astigmatism parameter of a user's eye, driving at least one of the first prism and the second prism to rotate in an axial direction according to the target value, so that the intersection angle between the axial directions of the first prism and the second prism is matched with the target value, and transmitting an annular beam formed by an annular beam generating assembly to the user's eye sequentially through a compensation adjusting assembly, the first prism and the second prism. Therefore, the cross angle between the first cylindrical lens and the second cylindrical lens is adjusted by combining the astigmatism parameters of the eyes of the user, so that the cross angle between the first cylindrical lens and the second cylindrical lens in the optical system is matched with the astigmatism parameters of the eyes of the user, the optical system can meet the requirements of users with different astigmatism parameters, and the adaptability of the optical system is improved.

Inventors

ZHAO ZHIFEI
Niu Mingyan
LIU ZHENGNIAN
LIU DONG

Assignees

北京鹰瞳科技发展股份有限公司
长沙鹰瞳健康科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260130

Claims (9)

1. An optical system for improving eye health, the optical system comprising: an annular beam generating assembly for forming an annular beam; The compensation adjustment assembly is used for carrying out compensation adjustment on the annular light beam so that the adjusted annular light beam is imaged on the retina of the eyes of the user; A first cylindrical lens; The first cylindrical lens and the second cylindrical lens are mutually attached, the axial direction of the first cylindrical lens and the axial direction of the second cylindrical lens are perpendicular to the sight line direction of eyes of a user, and the optical center points of the first cylindrical lens and the second cylindrical lens are coaxial with the pupil center of the eyes of the user; A controller for determining a target value of the crossing angle of the first cylindrical lens and the second cylindrical lens according to the astigmatism parameters of the eyes of the user; The transmission assembly is used for driving at least one of the first cylindrical lens and the second cylindrical lens to rotate in the axial direction according to the target value so as to enable the intersection angle between the axial directions of the first cylindrical lens and the second cylindrical lens to be matched with the target value; The first and second cylindrical lenses are used for transmitting the adjusted annular light beams to eyes of the user through the first and second cylindrical lenses in sequence.
2. The optical system of claim 1, wherein the optical system further comprises: And the target surface is arranged between the annular light beam generating assembly and the compensation adjusting assembly and is used for modulating the annular light beam so as to obtain the annular light beam carrying the target pattern.
3. The optical system of claim 1, wherein the compensation adjustment assembly comprises: And a compensating eyepiece group, wherein a spacing between at least two eyepieces in the compensating eyepiece group is adjustable.
4. An optical system as claimed in any one of claims 1 to 3, wherein the annular beam generating assembly comprises: A light source; a first collimation set for collimating a light beam emitted from the light source; the shading diaphragm is used for shading the light beam emitted by the first collimation group to form a circular light beam; A reflective aperture, wherein the reflective aperture has a first aperture opening, the reflective aperture is configured to reflect the circular light beam to form the annular light beam, wherein a beam direction of the annular light beam is parallel to and opposite to a visual direction of the user's eye.
5. The optical system of claim 4, wherein the light-shielding diaphragm comprises a second diaphragm aperture and an annular light-shielding sheet, wherein the annular light-shielding sheet is used for shielding light beams emitted by the first collimation group.
6. The optical system of claim 4, wherein the optical system further comprises: And the light emitted by the gazing lamp passes through the first diaphragm opening of the reflecting diaphragm and then is projected to eyes of the user.
7. The optical system of claim 4, wherein the optical system further comprises: The polarizing component is arranged between the second prism and the eyes of the user and is used for carrying out polarization treatment on the light beam emitted by the second prism; Or the polarization component is arranged between the light source and the first alignment group and is used for carrying out polarization treatment on the light beam emitted by the light source.
8. The optical system of claim 7, wherein the polarizing assembly comprises a polarizer and a wave plate.
9. An electronic device comprising an optical system as claimed in any one of claims 1-8.

Description

Optical system and electronic device for improving eye health Technical Field The present disclosure relates to the field of ophthalmic photobiological regulation PBM technology, and in particular, to an optical system and electronic device for improving eye health. Background In astigmatism correction schemes, fixed sphere power, cylinder power, and axis angle are typically determined from the prescription and these parameters are cured in custom lenses. However, when such lenses are integrated in the scene of a visual intervention device, their fixed optical parameters are difficult to adapt to the differences in astigmatism parameters of different users. Disclosure of Invention The present disclosure aims to solve the above technical problems at least to some extent. In order to achieve the above object, according to a first aspect of the present disclosure, an optical system for improving eye health is provided, the optical system including an annular beam generating component for forming an annular beam, a compensation adjusting component for performing compensation adjustment on the annular beam so that the adjusted annular beam is imaged on a retina of an eye of a user, a first cylindrical lens, a second cylindrical lens, wherein the first cylindrical lens and the second cylindrical lens are mutually attached, an axial direction of the first cylindrical lens and the second cylindrical lens is perpendicular to a line of sight direction of the eye of the user, an optical center point of the first cylindrical lens and the second cylindrical lens is coaxial with a pupil center of the eye of the user, a controller for determining a target value of a crossing angle of the first cylindrical lens and the second cylindrical lens according to an astigmatic parameter of the eye of the user, and a transmission component for driving at least one axial direction of the first cylindrical lens and the second cylindrical lens to rotate according to the target value so that the crossing angle of the axial direction of the first cylindrical lens and the second cylindrical lens is matched with the target value of the first cylindrical lens and the second cylindrical lens sequentially. To achieve the above object, an embodiment of a second aspect of the present disclosure provides an electronic device, including an optical system disclosed in an embodiment of the first aspect of the present disclosure. The technical scheme provided by the embodiment of the disclosure at least brings the following beneficial effects: The controller determines a target value of the crossing angle of the first cylindrical lens and the second cylindrical lens according to the astigmatism parameter of the eyes of the user, drives at least one of the first cylindrical lens and the second cylindrical lens to rotate in the axial direction according to the target value so as to enable the crossing angle between the axial directions of the first cylindrical lens and the second cylindrical lens to be matched with the target value, and transmits the annular light beam formed by the annular light beam generating assembly to the eyes of the user through the compensation adjusting assembly, the first cylindrical lens and the second cylindrical lens sequentially. Therefore, the cross angle between the first cylindrical lens and the second cylindrical lens is adjusted by combining the astigmatism parameters of the eyes of the user, so that the cross angle between the first cylindrical lens and the second cylindrical lens in the optical system is matched with the astigmatism parameters of the eyes of the user, the optical system can meet the requirements of users with different astigmatism parameters, and the adaptability of the optical system is improved. Additional aspects and advantages of the disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the disclosure. Drawings The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein: FIG. 1 is a schematic diagram of an optical system according to one embodiment of the present disclosure; Fig. 2 is an exemplary view of an intersection angle α between the axial directions of the first prism 130 and the second prism 140; FIG. 3 is a schematic diagram of an optical system according to another embodiment of the present disclosure; FIG. 4 is an exemplary diagram of a light-shielding aperture according to one embodiment of the present disclosure; FIG. 5 is an exemplary diagram of a reflective aperture according to one embodiment of the present disclosure; FIG. 6 is an exemplary diagram of a circular beam according to one embodiment of the present disclosure; FIG. 7 is an exemplary diagram of a ring beam with gaze point in accordance with o