Animal B-ultrasound diagnostic instruments are divided into mechanical sector scanning, phased array sector scanning, linear scanning, and manual compound scanning due to different clinical needs and designs. However, mechanical sector scanning is mainly used in ophthalmology. animal B-ultrasound images are two-dimensional (planar) images. Whether sector-shaped or linear, the sound beam is scanned on a plane inside the body to obtain ultrasound images of different forms. From the two-dimensional animal B-ultrasound images, we can understand the pathology, physiology, and anatomical structure of the eye tissues and organs of the diseased animals. The traditional animal B-ultrasound image diagnosis method is that the animal B-ultrasound instrument collects image data, and the veterinarian observes the tissue structure of the diseased animal through a monitor to diagnose the disease. The old Animal B-ultrasound instrument uses a single-chip computer, so a large amount of image data cannot be saved. Therefore, there are few ultrasound images in the medical records of previous ultrasound diagnosis and treatment. Even if there are, the images will fade away over time because they are printed on thermal paper. The ultrasound images after several years will also be blurred. It is difficult for veterinarians to understand the medical history of sick animals through previous animal B-ultrasound images. At the same time, because the animal B-ultrasound images themselves are of poor quality and low clarity, but they cannot be improved by computer image processing technology, the error rate of veterinarians in diagnosing diseases only through animal B-ultrasound images is high.

The rapid development of modern science and technology has promoted the rapid improvement of the level of animal ophthalmology diagnosis and treatment. In recent years, the introduction of intraocular laser technology has treated many sick animals in China, but at the same time, another ancient technology, animal B-ultrasound imaging, still plays an irreplaceable role in ophthalmology diagnosis. Because animal B-ultrasound imaging technology has the advantages of no ionizing radiation, no radioactivity, no contraindications, short examination time, and low equipment price, it has become the fastest-growing, most widely used, and most pOPUlar imaging technology. It uses the interaction between ultrasound and biological organisms as the basis for imaging, so it has always been an important basis for clinical diagnosis and treatment.

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