B ultrasound has been applied widly in hospital clinical diagnosis, but you know that B ultrasound can also be used in ophthalmology eye disease diagnosis. The echo of B ultrasound can express by light-spot and every echo forms a light-spot in screen and light-spot brightness represents echo strength. The echo is more larger and light-spot is more bright. Then you can connect with light-spot and bercome two dimension image. When refractive interstitial is not transparent, B ultrasound detection can know about intraocular situation and it can check white pupil disease and eyeball atrophy.

 The more advanced B ultrasound has function of vitreous enhancement and can detect tiny vitreous opacity and it has important significance of vitreous retinoscope operation. At present, three dimensional eye ultrasound has been developed successfully and it can do three dimensional reconstruction for hundreds two dimensional B ultrasound image and synthetic three-dimensional tomographic images. It can locate accuratly and provide science and intuitive three dimensional image for diagnosis and surgery plan.

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