[=laser visual acuity]激光视敏度,激光视力
[=left ventricular aneurysm]左心室动脉瘤,左心室室壁瘤
[=left ventricular aneurysmectomy]左心室动脉瘤切除术,左心室室壁瘤切除术
[=left ventricular angiography]左心室血管造影术
[=left vertebral artery]左椎动脉
[=low vision aids]低视力辅助器