Laser speckle optometry machine for ophthalmology

Abstract

The invention discloses a laser speckle optometry machine for ophthalmology, which comprises a right light source cylinder body, a fixed cylinder body and a left light source cylinder body. Visible light semiconductor lasers are installed inside the right light source cylinder body and the left light source cylinder body. Both the right light source cylinder and the left light source cylinder above the visible light semiconductor laser are equipped with beam expander screens, and the bottom ends of the right light source cylinder and the left light source cylinder are equipped with shading plates, and the right light source cylinder and the left The top of the light source cylinder is equipped with a spiral frame, the surface of the spiral frame is equipped with a toggle gear, the top of the spiral frame is installed with a soft rubber sleeve, and the surface of the fixed cylinder is equipped with a connecting plate. Optometry eyepieces are installed on the top of the fixed cylinder. The invention is provided with a series of structures, so that the optometry machine is easy to carry and wear when used, and has strong applicability, which is convenient for ophthalmology patients to do optometry by themselves, increases wearing comfort, and can detect red-green color blindness.

Description

technical field [0001] The invention relates to the technical field of vision detection, in particular to a laser speckle optometry machine for ophthalmology. Background technique [0002] Optometry is to check the aggregation of light after it enters the eyeball. It takes the emmetropic eye state as the standard to measure the degree of vergence difference between the eye under test and the emmetropic eye. In the actual optometry process, it is mainly to check the deformation of the eyeball. There are two methods, one is to check with an instrument, which can preliminarily measure the deformation of the eyeball, and the other is to try on the lens and wear a pair of glasses with interchangeable lenses to determine the degree of glasses that need to be worn. In the ophthalmology department of the hospital , generally use instrument optometry, but this type of instrument is often fixed in structure, not easy to move, and the operation is more complicated, which requires the c...

AI Technical Summary

Problems solved by technology

[0002] Optometry is to check the aggregation of light after it enters the eyeball. It takes the emmetropic eye state as the standard to measure the degree of vergence difference between the eye under test and the emmetropic eye. In the actual optometry process, it is mainly to check the deformation of the eyeball. There are two methods, one is to check with an instrument, which can preliminarily measure the deformation of the eyeball, and the other is to try on the lens and wear a pair of glasses with interchangeable lenses to determine the degree of glasses that need to be worn. In the ophthalmology department of the hospital , generally use instrument optometry, but this type of instrument is often fixed in structure, not easy to move, and the operation is more complicated, which requires the cooperation between medical personnel and ophthalmological patients to complete, and it is highly professional. There is no one on the market that can facilitate patients An optometry machine for self-use and optometry, and the general optometry machine is expensive, not suitable for patients to use and purchase alone, and can only be supplied to eye hospitals or various optical shops, which has certain limitations

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