The length of the visual axis was the distance from the corneal vertex to the macular fovea, and it was also measured by A-modeultrasound in sitting position with different ultrasonic velocity.
以角膜顶点至黄斑中心凹距离作为视轴长度,此连线上测量硅油后间隙的厚度。
2
Objective To explore a suitable mode of prenatal ultrasound diagnosis of fetal malformations with early neonatal surgical treatment.
目的探讨胎儿畸形的产前超声诊断和新生儿外科早期治疗模式。
3
Conclusion the B-modeultrasound is a reliable, simple and convenient imaging modality in the diagnosis of fetus edema syndrome.